diff --git a/src/test/mir-opt/README.md b/src/test/mir-opt/README.md index a6f86d4e384ae..a0550466cf07b 100644 --- a/src/test/mir-opt/README.md +++ b/src/test/mir-opt/README.md @@ -1,9 +1,7 @@ This folder contains tests for MIR optimizations. -There are two test formats. One allows specifying a pattern to look for in the MIR, which also -permits leaving placeholders, but requires you to manually change the pattern if anything changes. -The other emits MIR to extra files that you can automatically update by specifying `--bless` on -the command line (just like `ui` tests updating `.stderr` files). +The `mir-opt` test format emits MIR to extra files that you can automatically update by specifying +`--bless` on the command line (just like `ui` tests updating `.stderr` files). # `--bless`able test format @@ -39,79 +37,3 @@ This exists mainly for completeness and is rarely useful. ``` // EMIT_MIR $file_name_of_some_mir_dump.before.mir ``` - -# Inline test format - -``` -(arbitrary rust code) -// END RUST SOURCE -// START $file_name_of_some_mir_dump_0 -// $expected_line_0 -// (lines or elision) -// $expected_line_N -// END $file_name_of_some_mir_dump_0 -// (lines or elision) -// START $file_name_of_some_mir_dump_N -// $expected_line_0 -// (lines or elision) -// $expected_line_N -// END $file_name_of_some_mir_dump_N -``` - -All the test information is in comments so the test is runnable. - -For each $file_name, compiletest expects [$expected_line_0, ..., -$expected_line_N] to appear in the dumped MIR in order. Currently it allows -other non-matched lines before and after, but not between $expected_lines, -should you want to skip lines, you must include an elision comment, of the form -(as a regex) `//\s*...\s*`. The lines will be skipped lazily, that is, if there -are two identical lines in the output that match the line after the elision -comment, the first one will be matched. - -Examples: - -The following blocks will not match the one after it. - -``` -bb0: { - StorageLive(_1); - _1 = const true; - StorageDead(_1); -} -``` - -``` -bb0: { - StorageLive(_1); - _1 = const true; - goto -> bb1 -} -bb1: { - StorageDead(_1); - return; -} -``` - -But this will match the one above, - -``` -bb0: { - StorageLive(_1); - _1 = const true; - ... - StorageDead(_1); - ... -} -``` - -Lines match ignoring whitespace, and the prefix "//" is removed. - -It also currently strips trailing comments -- partly because the full file path -in "scope comments" is unpredictable and partly because tidy complains about -the lines being too long. - -compiletest handles dumping the MIR before and after every pass for you. The -test writer only has to specify the file names of the dumped files (not the -full path to the file) and what lines to expect. There is an option to rustc -that tells it to dump the mir into some directly (rather then always dumping to -the current directory). diff --git a/src/test/mir-opt/address-of.rs b/src/test/mir-opt/address-of.rs index bbd1ca68a8672..6cd14ccf434f2 100644 --- a/src/test/mir-opt/address-of.rs +++ b/src/test/mir-opt/address-of.rs @@ -1,3 +1,5 @@ +// EMIT_MIR rustc.address_of_reborrow.SimplifyCfg-initial.after.mir + fn address_of_reborrow() { let y = &[0; 10]; let mut z = &mut [0; 10]; @@ -35,6 +37,7 @@ fn address_of_reborrow() { } // The normal borrows here should be preserved +// EMIT_MIR rustc.borrow_and_cast.SimplifyCfg-initial.after.mir fn borrow_and_cast(mut x: i32) { let p = &x as *const i32; let q = &mut x as *const i32; @@ -42,71 +45,3 @@ fn borrow_and_cast(mut x: i32) { } fn main() {} - -// START rustc.address_of_reborrow.SimplifyCfg-initial.after.mir -// bb0: { -// ... -// _5 = &raw const (*_1); // & to *const casts -// ... -// _7 = &raw const (*_1); -// ... -// _11 = &raw const (*_1); -// ... -// _14 = &raw const (*_1); -// ... -// _16 = &raw const (*_1); -// ... -// _17 = &raw const (*_1); // & to *const coercions -// ... -// _18 = &raw const (*_1); -// ... -// _20 = &raw const (*_1); -// ... -// _22 = &raw const (*_1); -// ... -// _24 = &raw const (*_2); // &mut to *const casts -// ... -// _26 = &raw const (*_2); -// ... -// _30 = &raw const (*_2); -// ... -// _33 = &raw const (*_2); -// ... -// _34 = &raw const (*_2); // &mut to *const coercions -// ... -// _35 = &raw const (*_2); -// ... -// _37 = &raw const (*_2); -// ... -// _39 = &raw const (*_2); -// ... -// _41 = &raw mut (*_2); // &mut to *mut casts -// ... -// _43 = &raw mut (*_2); -// ... -// _47 = &raw mut (*_2); -// ... -// _50 = &raw mut (*_2); -// ... -// _51 = &raw mut (*_2); // &mut to *mut coercions -// ... -// _52 = &raw mut (*_2); -// ... -// _54 = &raw mut (*_2); -// ... -// _56 = &raw mut (*_2); -// ... -// } -// END rustc.address_of_reborrow.SimplifyCfg-initial.after.mir - -// START rustc.borrow_and_cast.EraseRegions.after.mir -// bb0: { -// ... -// _4 = &_1; -// ... -// _7 = &mut _1; -// ... -// _10 = &mut _1; -// ... -// } -// END rustc.borrow_and_cast.EraseRegions.after.mir diff --git a/src/test/mir-opt/address-of/rustc.address_of_reborrow.SimplifyCfg-initial.after.mir b/src/test/mir-opt/address-of/rustc.address_of_reborrow.SimplifyCfg-initial.after.mir new file mode 100644 index 0000000000000..af07da4cfe0a8 --- /dev/null +++ b/src/test/mir-opt/address-of/rustc.address_of_reborrow.SimplifyCfg-initial.after.mir @@ -0,0 +1,320 @@ +// MIR for `address_of_reborrow` after SimplifyCfg-initial + +| User Type Annotations +| 0: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }], value: Ty(*const ^0) } at $DIR/address-of.rs:7:5: 7:18 +| 1: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Region(U0) }], value: Ty(*const dyn std::marker::Send) } at $DIR/address-of.rs:9:5: 9:25 +| 2: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }], value: Ty(*const ^0) } at $DIR/address-of.rs:13:12: 13:20 +| 3: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }], value: Ty(*const ^0) } at $DIR/address-of.rs:13:12: 13:20 +| 4: Canonical { max_universe: U0, variables: [], value: Ty(*const [i32; 10]) } at $DIR/address-of.rs:14:12: 14:28 +| 5: Canonical { max_universe: U0, variables: [], value: Ty(*const [i32; 10]) } at $DIR/address-of.rs:14:12: 14:28 +| 6: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Region(U0) }], value: Ty(*const dyn std::marker::Send) } at $DIR/address-of.rs:15:12: 15:27 +| 7: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Region(U0) }], value: Ty(*const dyn std::marker::Send) } at $DIR/address-of.rs:15:12: 15:27 +| 8: Canonical { max_universe: U0, variables: [], value: Ty(*const [i32]) } at $DIR/address-of.rs:16:12: 16:24 +| 9: Canonical { max_universe: U0, variables: [], value: Ty(*const [i32]) } at $DIR/address-of.rs:16:12: 16:24 +| 10: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }], value: Ty(*const ^0) } at $DIR/address-of.rs:18:5: 18:18 +| 11: Canonical { max_universe: U3, variables: [CanonicalVarInfo { kind: Region(U3) }], value: Ty(*const dyn std::marker::Send) } at $DIR/address-of.rs:20:5: 20:25 +| 12: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }], value: Ty(*const ^0) } at $DIR/address-of.rs:23:12: 23:20 +| 13: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }], value: Ty(*const ^0) } at $DIR/address-of.rs:23:12: 23:20 +| 14: Canonical { max_universe: U0, variables: [], value: Ty(*const [i32; 10]) } at $DIR/address-of.rs:24:12: 24:28 +| 15: Canonical { max_universe: U0, variables: [], value: Ty(*const [i32; 10]) } at $DIR/address-of.rs:24:12: 24:28 +| 16: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Region(U0) }], value: Ty(*const dyn std::marker::Send) } at $DIR/address-of.rs:25:12: 25:27 +| 17: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Region(U0) }], value: Ty(*const dyn std::marker::Send) } at $DIR/address-of.rs:25:12: 25:27 +| 18: Canonical { max_universe: U0, variables: [], value: Ty(*const [i32]) } at $DIR/address-of.rs:26:12: 26:24 +| 19: Canonical { max_universe: U0, variables: [], value: Ty(*const [i32]) } at $DIR/address-of.rs:26:12: 26:24 +| 20: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }], value: Ty(*mut ^0) } at $DIR/address-of.rs:28:5: 28:16 +| 21: Canonical { max_universe: U6, variables: [CanonicalVarInfo { kind: Region(U6) }], value: Ty(*mut dyn std::marker::Send) } at $DIR/address-of.rs:30:5: 30:23 +| 22: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }], value: Ty(*mut ^0) } at $DIR/address-of.rs:33:12: 33:18 +| 23: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }], value: Ty(*mut ^0) } at $DIR/address-of.rs:33:12: 33:18 +| 24: Canonical { max_universe: U0, variables: [], value: Ty(*mut [i32; 10]) } at $DIR/address-of.rs:34:12: 34:26 +| 25: Canonical { max_universe: U0, variables: [], value: Ty(*mut [i32; 10]) } at $DIR/address-of.rs:34:12: 34:26 +| 26: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Region(U0) }], value: Ty(*mut dyn std::marker::Send) } at $DIR/address-of.rs:35:12: 35:25 +| 27: Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Region(U0) }], value: Ty(*mut dyn std::marker::Send) } at $DIR/address-of.rs:35:12: 35:25 +| 28: Canonical { max_universe: U0, variables: [], value: Ty(*mut [i32]) } at $DIR/address-of.rs:36:12: 36:22 +| 29: Canonical { max_universe: U0, variables: [], value: Ty(*mut [i32]) } at $DIR/address-of.rs:36:12: 36:22 +| +fn address_of_reborrow() -> () { + let mut _0: (); // return place in scope 0 at $DIR/address-of.rs:3:26: 3:26 + let _1: &[i32; 10]; // in scope 0 at $DIR/address-of.rs:4:9: 4:10 + let _2: [i32; 10]; // in scope 0 at $DIR/address-of.rs:4:14: 4:21 + let mut _4: [i32; 10]; // in scope 0 at $DIR/address-of.rs:5:22: 5:29 + let _5: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:7:5: 7:18 + let mut _6: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:7:5: 7:18 + let _7: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:8:5: 8:26 + let _8: *const dyn std::marker::Send; // in scope 0 at $DIR/address-of.rs:9:5: 9:25 + let mut _9: *const dyn std::marker::Send; // in scope 0 at $DIR/address-of.rs:9:5: 9:25 + let mut _10: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:9:5: 9:6 + let _11: *const [i32]; // in scope 0 at $DIR/address-of.rs:10:5: 10:22 + let mut _12: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:10:5: 10:6 + let _13: *const i32; // in scope 0 at $DIR/address-of.rs:11:5: 11:20 + let mut _14: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:11:5: 11:6 + let mut _18: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:15:30: 15:31 + let mut _20: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:16:27: 16:28 + let _21: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:18:5: 18:18 + let mut _22: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:18:5: 18:18 + let _23: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:19:5: 19:26 + let _24: *const dyn std::marker::Send; // in scope 0 at $DIR/address-of.rs:20:5: 20:25 + let mut _25: *const dyn std::marker::Send; // in scope 0 at $DIR/address-of.rs:20:5: 20:25 + let mut _26: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:20:5: 20:6 + let _27: *const [i32]; // in scope 0 at $DIR/address-of.rs:21:5: 21:22 + let mut _28: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:21:5: 21:6 + let mut _32: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:25:30: 25:31 + let mut _34: *const [i32; 10]; // in scope 0 at $DIR/address-of.rs:26:27: 26:28 + let _35: *mut [i32; 10]; // in scope 0 at $DIR/address-of.rs:28:5: 28:16 + let mut _36: *mut [i32; 10]; // in scope 0 at $DIR/address-of.rs:28:5: 28:16 + let _37: *mut [i32; 10]; // in scope 0 at $DIR/address-of.rs:29:5: 29:24 + let _38: *mut dyn std::marker::Send; // in scope 0 at $DIR/address-of.rs:30:5: 30:23 + let mut _39: *mut dyn std::marker::Send; // in scope 0 at $DIR/address-of.rs:30:5: 30:23 + let mut _40: *mut [i32; 10]; // in scope 0 at $DIR/address-of.rs:30:5: 30:6 + let _41: *mut [i32]; // in scope 0 at $DIR/address-of.rs:31:5: 31:20 + let mut _42: *mut [i32; 10]; // in scope 0 at $DIR/address-of.rs:31:5: 31:6 + let mut _46: *mut [i32; 10]; // in scope 0 at $DIR/address-of.rs:35:28: 35:29 + let mut _48: *mut [i32; 10]; // in scope 0 at $DIR/address-of.rs:36:25: 36:26 + scope 1 { + debug y => _1; // in scope 1 at $DIR/address-of.rs:4:9: 4:10 + let mut _3: &mut [i32; 10]; // in scope 1 at $DIR/address-of.rs:5:9: 5:14 + scope 2 { + debug z => _3; // in scope 2 at $DIR/address-of.rs:5:9: 5:14 + let _15: *const [i32; 10] as UserTypeProjection { base: UserType(2), projs: [] }; // in scope 2 at $DIR/address-of.rs:13:9: 13:10 + scope 3 { + debug p => _15; // in scope 3 at $DIR/address-of.rs:13:9: 13:10 + let _16: *const [i32; 10] as UserTypeProjection { base: UserType(4), projs: [] }; // in scope 3 at $DIR/address-of.rs:14:9: 14:10 + scope 4 { + debug p => _16; // in scope 4 at $DIR/address-of.rs:14:9: 14:10 + let _17: *const dyn std::marker::Send as UserTypeProjection { base: UserType(6), projs: [] }; // in scope 4 at $DIR/address-of.rs:15:9: 15:10 + scope 5 { + debug p => _17; // in scope 5 at $DIR/address-of.rs:15:9: 15:10 + let _19: *const [i32] as UserTypeProjection { base: UserType(8), projs: [] }; // in scope 5 at $DIR/address-of.rs:16:9: 16:10 + scope 6 { + debug p => _19; // in scope 6 at $DIR/address-of.rs:16:9: 16:10 + let _29: *const [i32; 10] as UserTypeProjection { base: UserType(12), projs: [] }; // in scope 6 at $DIR/address-of.rs:23:9: 23:10 + scope 7 { + debug p => _29; // in scope 7 at $DIR/address-of.rs:23:9: 23:10 + let _30: *const [i32; 10] as UserTypeProjection { base: UserType(14), projs: [] }; // in scope 7 at $DIR/address-of.rs:24:9: 24:10 + scope 8 { + debug p => _30; // in scope 8 at $DIR/address-of.rs:24:9: 24:10 + let _31: *const dyn std::marker::Send as UserTypeProjection { base: UserType(16), projs: [] }; // in scope 8 at $DIR/address-of.rs:25:9: 25:10 + scope 9 { + debug p => _31; // in scope 9 at $DIR/address-of.rs:25:9: 25:10 + let _33: *const [i32] as UserTypeProjection { base: UserType(18), projs: [] }; // in scope 9 at $DIR/address-of.rs:26:9: 26:10 + scope 10 { + debug p => _33; // in scope 10 at $DIR/address-of.rs:26:9: 26:10 + let _43: *mut [i32; 10] as UserTypeProjection { base: UserType(22), projs: [] }; // in scope 10 at $DIR/address-of.rs:33:9: 33:10 + scope 11 { + debug p => _43; // in scope 11 at $DIR/address-of.rs:33:9: 33:10 + let _44: *mut [i32; 10] as UserTypeProjection { base: UserType(24), projs: [] }; // in scope 11 at $DIR/address-of.rs:34:9: 34:10 + scope 12 { + debug p => _44; // in scope 12 at $DIR/address-of.rs:34:9: 34:10 + let _45: *mut dyn std::marker::Send as UserTypeProjection { base: UserType(26), projs: [] }; // in scope 12 at $DIR/address-of.rs:35:9: 35:10 + scope 13 { + debug p => _45; // in scope 13 at $DIR/address-of.rs:35:9: 35:10 + let _47: *mut [i32] as UserTypeProjection { base: UserType(28), projs: [] }; // in scope 13 at $DIR/address-of.rs:36:9: 36:10 + scope 14 { + debug p => _47; // in scope 14 at $DIR/address-of.rs:36:9: 36:10 + } + } + } + } + } + } + } + } + } + } + } + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/address-of.rs:4:9: 4:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/address-of.rs:4:14: 4:21 + _2 = [const 0i32; 10]; // bb0[2]: scope 0 at $DIR/address-of.rs:4:14: 4:21 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/address-of.rs:4:15: 4:16 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + _1 = &_2; // bb0[3]: scope 0 at $DIR/address-of.rs:4:13: 4:21 + FakeRead(ForLet, _1); // bb0[4]: scope 0 at $DIR/address-of.rs:4:9: 4:10 + StorageLive(_3); // bb0[5]: scope 1 at $DIR/address-of.rs:5:9: 5:14 + StorageLive(_4); // bb0[6]: scope 1 at $DIR/address-of.rs:5:22: 5:29 + _4 = [const 0i32; 10]; // bb0[7]: scope 1 at $DIR/address-of.rs:5:22: 5:29 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/address-of.rs:5:23: 5:24 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + _3 = &mut _4; // bb0[8]: scope 1 at $DIR/address-of.rs:5:17: 5:29 + FakeRead(ForLet, _3); // bb0[9]: scope 1 at $DIR/address-of.rs:5:9: 5:14 + StorageLive(_5); // bb0[10]: scope 2 at $DIR/address-of.rs:7:5: 7:18 + StorageLive(_6); // bb0[11]: scope 2 at $DIR/address-of.rs:7:5: 7:18 + _6 = &raw const (*_1); // bb0[12]: scope 2 at $DIR/address-of.rs:7:5: 7:6 + AscribeUserType(_6, o, UserTypeProjection { base: UserType(0), projs: [] }); // bb0[13]: scope 2 at $DIR/address-of.rs:7:5: 7:18 + _5 = _6; // bb0[14]: scope 2 at $DIR/address-of.rs:7:5: 7:18 + StorageDead(_6); // bb0[15]: scope 2 at $DIR/address-of.rs:7:18: 7:19 + StorageDead(_5); // bb0[16]: scope 2 at $DIR/address-of.rs:7:18: 7:19 + StorageLive(_7); // bb0[17]: scope 2 at $DIR/address-of.rs:8:5: 8:26 + _7 = &raw const (*_1); // bb0[18]: scope 2 at $DIR/address-of.rs:8:5: 8:6 + StorageDead(_7); // bb0[19]: scope 2 at $DIR/address-of.rs:8:26: 8:27 + StorageLive(_8); // bb0[20]: scope 2 at $DIR/address-of.rs:9:5: 9:25 + StorageLive(_9); // bb0[21]: scope 2 at $DIR/address-of.rs:9:5: 9:25 + StorageLive(_10); // bb0[22]: scope 2 at $DIR/address-of.rs:9:5: 9:6 + _10 = &raw const (*_1); // bb0[23]: scope 2 at $DIR/address-of.rs:9:5: 9:6 + _9 = move _10 as *const dyn std::marker::Send (Pointer(Unsize)); // bb0[24]: scope 2 at $DIR/address-of.rs:9:5: 9:6 + StorageDead(_10); // bb0[25]: scope 2 at $DIR/address-of.rs:9:5: 9:6 + AscribeUserType(_9, o, UserTypeProjection { base: UserType(1), projs: [] }); // bb0[26]: scope 2 at $DIR/address-of.rs:9:5: 9:25 + _8 = _9; // bb0[27]: scope 2 at $DIR/address-of.rs:9:5: 9:25 + StorageDead(_9); // bb0[28]: scope 2 at $DIR/address-of.rs:9:25: 9:26 + StorageDead(_8); // bb0[29]: scope 2 at $DIR/address-of.rs:9:25: 9:26 + StorageLive(_11); // bb0[30]: scope 2 at $DIR/address-of.rs:10:5: 10:22 + StorageLive(_12); // bb0[31]: scope 2 at $DIR/address-of.rs:10:5: 10:6 + _12 = &raw const (*_1); // bb0[32]: scope 2 at $DIR/address-of.rs:10:5: 10:6 + _11 = move _12 as *const [i32] (Pointer(Unsize)); // bb0[33]: scope 2 at $DIR/address-of.rs:10:5: 10:6 + StorageDead(_12); // bb0[34]: scope 2 at $DIR/address-of.rs:10:5: 10:6 + StorageDead(_11); // bb0[35]: scope 2 at $DIR/address-of.rs:10:22: 10:23 + StorageLive(_13); // bb0[36]: scope 2 at $DIR/address-of.rs:11:5: 11:20 + StorageLive(_14); // bb0[37]: scope 2 at $DIR/address-of.rs:11:5: 11:6 + _14 = &raw const (*_1); // bb0[38]: scope 2 at $DIR/address-of.rs:11:5: 11:6 + _13 = move _14 as *const i32 (Pointer(ArrayToPointer)); // bb0[39]: scope 2 at $DIR/address-of.rs:11:5: 11:20 + StorageDead(_14); // bb0[40]: scope 2 at $DIR/address-of.rs:11:19: 11:20 + StorageDead(_13); // bb0[41]: scope 2 at $DIR/address-of.rs:11:20: 11:21 + StorageLive(_15); // bb0[42]: scope 2 at $DIR/address-of.rs:13:9: 13:10 + _15 = &raw const (*_1); // bb0[43]: scope 2 at $DIR/address-of.rs:13:23: 13:24 + FakeRead(ForLet, _15); // bb0[44]: scope 2 at $DIR/address-of.rs:13:9: 13:10 + AscribeUserType(_15, o, UserTypeProjection { base: UserType(3), projs: [] }); // bb0[45]: scope 2 at $DIR/address-of.rs:13:12: 13:20 + StorageLive(_16); // bb0[46]: scope 3 at $DIR/address-of.rs:14:9: 14:10 + _16 = &raw const (*_1); // bb0[47]: scope 3 at $DIR/address-of.rs:14:31: 14:32 + FakeRead(ForLet, _16); // bb0[48]: scope 3 at $DIR/address-of.rs:14:9: 14:10 + AscribeUserType(_16, o, UserTypeProjection { base: UserType(5), projs: [] }); // bb0[49]: scope 3 at $DIR/address-of.rs:14:12: 14:28 + StorageLive(_17); // bb0[50]: scope 4 at $DIR/address-of.rs:15:9: 15:10 + StorageLive(_18); // bb0[51]: scope 4 at $DIR/address-of.rs:15:30: 15:31 + _18 = &raw const (*_1); // bb0[52]: scope 4 at $DIR/address-of.rs:15:30: 15:31 + _17 = move _18 as *const dyn std::marker::Send (Pointer(Unsize)); // bb0[53]: scope 4 at $DIR/address-of.rs:15:30: 15:31 + StorageDead(_18); // bb0[54]: scope 4 at $DIR/address-of.rs:15:30: 15:31 + FakeRead(ForLet, _17); // bb0[55]: scope 4 at $DIR/address-of.rs:15:9: 15:10 + AscribeUserType(_17, o, UserTypeProjection { base: UserType(7), projs: [] }); // bb0[56]: scope 4 at $DIR/address-of.rs:15:12: 15:27 + StorageLive(_19); // bb0[57]: scope 5 at $DIR/address-of.rs:16:9: 16:10 + StorageLive(_20); // bb0[58]: scope 5 at $DIR/address-of.rs:16:27: 16:28 + _20 = &raw const (*_1); // bb0[59]: scope 5 at $DIR/address-of.rs:16:27: 16:28 + _19 = move _20 as *const [i32] (Pointer(Unsize)); // bb0[60]: scope 5 at $DIR/address-of.rs:16:27: 16:28 + StorageDead(_20); // bb0[61]: scope 5 at $DIR/address-of.rs:16:27: 16:28 + FakeRead(ForLet, _19); // bb0[62]: scope 5 at $DIR/address-of.rs:16:9: 16:10 + AscribeUserType(_19, o, UserTypeProjection { base: UserType(9), projs: [] }); // bb0[63]: scope 5 at $DIR/address-of.rs:16:12: 16:24 + StorageLive(_21); // bb0[64]: scope 6 at $DIR/address-of.rs:18:5: 18:18 + StorageLive(_22); // bb0[65]: scope 6 at $DIR/address-of.rs:18:5: 18:18 + _22 = &raw const (*_3); // bb0[66]: scope 6 at $DIR/address-of.rs:18:5: 18:6 + AscribeUserType(_22, o, UserTypeProjection { base: UserType(10), projs: [] }); // bb0[67]: scope 6 at $DIR/address-of.rs:18:5: 18:18 + _21 = _22; // bb0[68]: scope 6 at $DIR/address-of.rs:18:5: 18:18 + StorageDead(_22); // bb0[69]: scope 6 at $DIR/address-of.rs:18:18: 18:19 + StorageDead(_21); // bb0[70]: scope 6 at $DIR/address-of.rs:18:18: 18:19 + StorageLive(_23); // bb0[71]: scope 6 at $DIR/address-of.rs:19:5: 19:26 + _23 = &raw const (*_3); // bb0[72]: scope 6 at $DIR/address-of.rs:19:5: 19:6 + StorageDead(_23); // bb0[73]: scope 6 at $DIR/address-of.rs:19:26: 19:27 + StorageLive(_24); // bb0[74]: scope 6 at $DIR/address-of.rs:20:5: 20:25 + StorageLive(_25); // bb0[75]: scope 6 at $DIR/address-of.rs:20:5: 20:25 + StorageLive(_26); // bb0[76]: scope 6 at $DIR/address-of.rs:20:5: 20:6 + _26 = &raw const (*_3); // bb0[77]: scope 6 at $DIR/address-of.rs:20:5: 20:6 + _25 = move _26 as *const dyn std::marker::Send (Pointer(Unsize)); // bb0[78]: scope 6 at $DIR/address-of.rs:20:5: 20:6 + StorageDead(_26); // bb0[79]: scope 6 at $DIR/address-of.rs:20:5: 20:6 + AscribeUserType(_25, o, UserTypeProjection { base: UserType(11), projs: [] }); // bb0[80]: scope 6 at $DIR/address-of.rs:20:5: 20:25 + _24 = _25; // bb0[81]: scope 6 at $DIR/address-of.rs:20:5: 20:25 + StorageDead(_25); // bb0[82]: scope 6 at $DIR/address-of.rs:20:25: 20:26 + StorageDead(_24); // bb0[83]: scope 6 at $DIR/address-of.rs:20:25: 20:26 + StorageLive(_27); // bb0[84]: scope 6 at $DIR/address-of.rs:21:5: 21:22 + StorageLive(_28); // bb0[85]: scope 6 at $DIR/address-of.rs:21:5: 21:6 + _28 = &raw const (*_3); // bb0[86]: scope 6 at $DIR/address-of.rs:21:5: 21:6 + _27 = move _28 as *const [i32] (Pointer(Unsize)); // bb0[87]: scope 6 at $DIR/address-of.rs:21:5: 21:6 + StorageDead(_28); // bb0[88]: scope 6 at $DIR/address-of.rs:21:5: 21:6 + StorageDead(_27); // bb0[89]: scope 6 at $DIR/address-of.rs:21:22: 21:23 + StorageLive(_29); // bb0[90]: scope 6 at $DIR/address-of.rs:23:9: 23:10 + _29 = &raw const (*_3); // bb0[91]: scope 6 at $DIR/address-of.rs:23:23: 23:24 + FakeRead(ForLet, _29); // bb0[92]: scope 6 at $DIR/address-of.rs:23:9: 23:10 + AscribeUserType(_29, o, UserTypeProjection { base: UserType(13), projs: [] }); // bb0[93]: scope 6 at $DIR/address-of.rs:23:12: 23:20 + StorageLive(_30); // bb0[94]: scope 7 at $DIR/address-of.rs:24:9: 24:10 + _30 = &raw const (*_3); // bb0[95]: scope 7 at $DIR/address-of.rs:24:31: 24:32 + FakeRead(ForLet, _30); // bb0[96]: scope 7 at $DIR/address-of.rs:24:9: 24:10 + AscribeUserType(_30, o, UserTypeProjection { base: UserType(15), projs: [] }); // bb0[97]: scope 7 at $DIR/address-of.rs:24:12: 24:28 + StorageLive(_31); // bb0[98]: scope 8 at $DIR/address-of.rs:25:9: 25:10 + StorageLive(_32); // bb0[99]: scope 8 at $DIR/address-of.rs:25:30: 25:31 + _32 = &raw const (*_3); // bb0[100]: scope 8 at $DIR/address-of.rs:25:30: 25:31 + _31 = move _32 as *const dyn std::marker::Send (Pointer(Unsize)); // bb0[101]: scope 8 at $DIR/address-of.rs:25:30: 25:31 + StorageDead(_32); // bb0[102]: scope 8 at $DIR/address-of.rs:25:30: 25:31 + FakeRead(ForLet, _31); // bb0[103]: scope 8 at $DIR/address-of.rs:25:9: 25:10 + AscribeUserType(_31, o, UserTypeProjection { base: UserType(17), projs: [] }); // bb0[104]: scope 8 at $DIR/address-of.rs:25:12: 25:27 + StorageLive(_33); // bb0[105]: scope 9 at $DIR/address-of.rs:26:9: 26:10 + StorageLive(_34); // bb0[106]: scope 9 at $DIR/address-of.rs:26:27: 26:28 + _34 = &raw const (*_3); // bb0[107]: scope 9 at $DIR/address-of.rs:26:27: 26:28 + _33 = move _34 as *const [i32] (Pointer(Unsize)); // bb0[108]: scope 9 at $DIR/address-of.rs:26:27: 26:28 + StorageDead(_34); // bb0[109]: scope 9 at $DIR/address-of.rs:26:27: 26:28 + FakeRead(ForLet, _33); // bb0[110]: scope 9 at $DIR/address-of.rs:26:9: 26:10 + AscribeUserType(_33, o, UserTypeProjection { base: UserType(19), projs: [] }); // bb0[111]: scope 9 at $DIR/address-of.rs:26:12: 26:24 + StorageLive(_35); // bb0[112]: scope 10 at $DIR/address-of.rs:28:5: 28:16 + StorageLive(_36); // bb0[113]: scope 10 at $DIR/address-of.rs:28:5: 28:16 + _36 = &raw mut (*_3); // bb0[114]: scope 10 at $DIR/address-of.rs:28:5: 28:6 + AscribeUserType(_36, o, UserTypeProjection { base: UserType(20), projs: [] }); // bb0[115]: scope 10 at $DIR/address-of.rs:28:5: 28:16 + _35 = _36; // bb0[116]: scope 10 at $DIR/address-of.rs:28:5: 28:16 + StorageDead(_36); // bb0[117]: scope 10 at $DIR/address-of.rs:28:16: 28:17 + StorageDead(_35); // bb0[118]: scope 10 at $DIR/address-of.rs:28:16: 28:17 + StorageLive(_37); // bb0[119]: scope 10 at $DIR/address-of.rs:29:5: 29:24 + _37 = &raw mut (*_3); // bb0[120]: scope 10 at $DIR/address-of.rs:29:5: 29:6 + StorageDead(_37); // bb0[121]: scope 10 at $DIR/address-of.rs:29:24: 29:25 + StorageLive(_38); // bb0[122]: scope 10 at $DIR/address-of.rs:30:5: 30:23 + StorageLive(_39); // bb0[123]: scope 10 at $DIR/address-of.rs:30:5: 30:23 + StorageLive(_40); // bb0[124]: scope 10 at $DIR/address-of.rs:30:5: 30:6 + _40 = &raw mut (*_3); // bb0[125]: scope 10 at $DIR/address-of.rs:30:5: 30:6 + _39 = move _40 as *mut dyn std::marker::Send (Pointer(Unsize)); // bb0[126]: scope 10 at $DIR/address-of.rs:30:5: 30:6 + StorageDead(_40); // bb0[127]: scope 10 at $DIR/address-of.rs:30:5: 30:6 + AscribeUserType(_39, o, UserTypeProjection { base: UserType(21), projs: [] }); // bb0[128]: scope 10 at $DIR/address-of.rs:30:5: 30:23 + _38 = _39; // bb0[129]: scope 10 at $DIR/address-of.rs:30:5: 30:23 + StorageDead(_39); // bb0[130]: scope 10 at $DIR/address-of.rs:30:23: 30:24 + StorageDead(_38); // bb0[131]: scope 10 at $DIR/address-of.rs:30:23: 30:24 + StorageLive(_41); // bb0[132]: scope 10 at $DIR/address-of.rs:31:5: 31:20 + StorageLive(_42); // bb0[133]: scope 10 at $DIR/address-of.rs:31:5: 31:6 + _42 = &raw mut (*_3); // bb0[134]: scope 10 at $DIR/address-of.rs:31:5: 31:6 + _41 = move _42 as *mut [i32] (Pointer(Unsize)); // bb0[135]: scope 10 at $DIR/address-of.rs:31:5: 31:6 + StorageDead(_42); // bb0[136]: scope 10 at $DIR/address-of.rs:31:5: 31:6 + StorageDead(_41); // bb0[137]: scope 10 at $DIR/address-of.rs:31:20: 31:21 + StorageLive(_43); // bb0[138]: scope 10 at $DIR/address-of.rs:33:9: 33:10 + _43 = &raw mut (*_3); // bb0[139]: scope 10 at $DIR/address-of.rs:33:21: 33:22 + FakeRead(ForLet, _43); // bb0[140]: scope 10 at $DIR/address-of.rs:33:9: 33:10 + AscribeUserType(_43, o, UserTypeProjection { base: UserType(23), projs: [] }); // bb0[141]: scope 10 at $DIR/address-of.rs:33:12: 33:18 + StorageLive(_44); // bb0[142]: scope 11 at $DIR/address-of.rs:34:9: 34:10 + _44 = &raw mut (*_3); // bb0[143]: scope 11 at $DIR/address-of.rs:34:29: 34:30 + FakeRead(ForLet, _44); // bb0[144]: scope 11 at $DIR/address-of.rs:34:9: 34:10 + AscribeUserType(_44, o, UserTypeProjection { base: UserType(25), projs: [] }); // bb0[145]: scope 11 at $DIR/address-of.rs:34:12: 34:26 + StorageLive(_45); // bb0[146]: scope 12 at $DIR/address-of.rs:35:9: 35:10 + StorageLive(_46); // bb0[147]: scope 12 at $DIR/address-of.rs:35:28: 35:29 + _46 = &raw mut (*_3); // bb0[148]: scope 12 at $DIR/address-of.rs:35:28: 35:29 + _45 = move _46 as *mut dyn std::marker::Send (Pointer(Unsize)); // bb0[149]: scope 12 at $DIR/address-of.rs:35:28: 35:29 + StorageDead(_46); // bb0[150]: scope 12 at $DIR/address-of.rs:35:28: 35:29 + FakeRead(ForLet, _45); // bb0[151]: scope 12 at $DIR/address-of.rs:35:9: 35:10 + AscribeUserType(_45, o, UserTypeProjection { base: UserType(27), projs: [] }); // bb0[152]: scope 12 at $DIR/address-of.rs:35:12: 35:25 + StorageLive(_47); // bb0[153]: scope 13 at $DIR/address-of.rs:36:9: 36:10 + StorageLive(_48); // bb0[154]: scope 13 at $DIR/address-of.rs:36:25: 36:26 + _48 = &raw mut (*_3); // bb0[155]: scope 13 at $DIR/address-of.rs:36:25: 36:26 + _47 = move _48 as *mut [i32] (Pointer(Unsize)); // bb0[156]: scope 13 at $DIR/address-of.rs:36:25: 36:26 + StorageDead(_48); // bb0[157]: scope 13 at $DIR/address-of.rs:36:25: 36:26 + FakeRead(ForLet, _47); // bb0[158]: scope 13 at $DIR/address-of.rs:36:9: 36:10 + AscribeUserType(_47, o, UserTypeProjection { base: UserType(29), projs: [] }); // bb0[159]: scope 13 at $DIR/address-of.rs:36:12: 36:22 + _0 = (); // bb0[160]: scope 0 at $DIR/address-of.rs:3:26: 37:2 + StorageDead(_47); // bb0[161]: scope 13 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_45); // bb0[162]: scope 12 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_44); // bb0[163]: scope 11 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_43); // bb0[164]: scope 10 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_33); // bb0[165]: scope 9 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_31); // bb0[166]: scope 8 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_30); // bb0[167]: scope 7 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_29); // bb0[168]: scope 6 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_19); // bb0[169]: scope 5 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_17); // bb0[170]: scope 4 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_16); // bb0[171]: scope 3 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_15); // bb0[172]: scope 2 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_4); // bb0[173]: scope 1 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_3); // bb0[174]: scope 1 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_2); // bb0[175]: scope 0 at $DIR/address-of.rs:37:1: 37:2 + StorageDead(_1); // bb0[176]: scope 0 at $DIR/address-of.rs:37:1: 37:2 + return; // bb0[177]: scope 0 at $DIR/address-of.rs:37:2: 37:2 + } +} diff --git a/src/test/mir-opt/address-of/rustc.borrow_and_cast.SimplifyCfg-initial.after.mir b/src/test/mir-opt/address-of/rustc.borrow_and_cast.SimplifyCfg-initial.after.mir new file mode 100644 index 0000000000000..29ccff492027a --- /dev/null +++ b/src/test/mir-opt/address-of/rustc.borrow_and_cast.SimplifyCfg-initial.after.mir @@ -0,0 +1,47 @@ +// MIR for `borrow_and_cast` after SimplifyCfg-initial + +fn borrow_and_cast(_1: i32) -> () { + debug x => _1; // in scope 0 at $DIR/address-of.rs:41:20: 41:25 + let mut _0: (); // return place in scope 0 at $DIR/address-of.rs:41:32: 41:32 + let _2: *const i32; // in scope 0 at $DIR/address-of.rs:42:9: 42:10 + let _3: &i32; // in scope 0 at $DIR/address-of.rs:42:13: 42:15 + let _5: &mut i32; // in scope 0 at $DIR/address-of.rs:43:13: 43:19 + let mut _7: &mut i32; // in scope 0 at $DIR/address-of.rs:44:13: 44:19 + scope 1 { + debug p => _2; // in scope 1 at $DIR/address-of.rs:42:9: 42:10 + let _4: *const i32; // in scope 1 at $DIR/address-of.rs:43:9: 43:10 + scope 2 { + debug q => _4; // in scope 2 at $DIR/address-of.rs:43:9: 43:10 + let _6: *mut i32; // in scope 2 at $DIR/address-of.rs:44:9: 44:10 + scope 3 { + debug r => _6; // in scope 3 at $DIR/address-of.rs:44:9: 44:10 + } + } + } + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/address-of.rs:42:9: 42:10 + StorageLive(_3); // bb0[1]: scope 0 at $DIR/address-of.rs:42:13: 42:15 + _3 = &_1; // bb0[2]: scope 0 at $DIR/address-of.rs:42:13: 42:15 + _2 = &raw const (*_3); // bb0[3]: scope 0 at $DIR/address-of.rs:42:13: 42:15 + FakeRead(ForLet, _2); // bb0[4]: scope 0 at $DIR/address-of.rs:42:9: 42:10 + StorageDead(_3); // bb0[5]: scope 0 at $DIR/address-of.rs:42:29: 42:30 + StorageLive(_4); // bb0[6]: scope 1 at $DIR/address-of.rs:43:9: 43:10 + StorageLive(_5); // bb0[7]: scope 1 at $DIR/address-of.rs:43:13: 43:19 + _5 = &mut _1; // bb0[8]: scope 1 at $DIR/address-of.rs:43:13: 43:19 + _4 = &raw const (*_5); // bb0[9]: scope 1 at $DIR/address-of.rs:43:13: 43:19 + FakeRead(ForLet, _4); // bb0[10]: scope 1 at $DIR/address-of.rs:43:9: 43:10 + StorageDead(_5); // bb0[11]: scope 1 at $DIR/address-of.rs:43:33: 43:34 + StorageLive(_6); // bb0[12]: scope 2 at $DIR/address-of.rs:44:9: 44:10 + StorageLive(_7); // bb0[13]: scope 2 at $DIR/address-of.rs:44:13: 44:19 + _7 = &mut _1; // bb0[14]: scope 2 at $DIR/address-of.rs:44:13: 44:19 + _6 = &raw mut (*_7); // bb0[15]: scope 2 at $DIR/address-of.rs:44:13: 44:19 + FakeRead(ForLet, _6); // bb0[16]: scope 2 at $DIR/address-of.rs:44:9: 44:10 + StorageDead(_7); // bb0[17]: scope 2 at $DIR/address-of.rs:44:31: 44:32 + _0 = (); // bb0[18]: scope 0 at $DIR/address-of.rs:41:32: 45:2 + StorageDead(_6); // bb0[19]: scope 2 at $DIR/address-of.rs:45:1: 45:2 + StorageDead(_4); // bb0[20]: scope 1 at $DIR/address-of.rs:45:1: 45:2 + StorageDead(_2); // bb0[21]: scope 0 at $DIR/address-of.rs:45:1: 45:2 + return; // bb0[22]: scope 0 at $DIR/address-of.rs:45:2: 45:2 + } +} diff --git a/src/test/mir-opt/array-index-is-temporary.rs b/src/test/mir-opt/array-index-is-temporary.rs index 57f30acb3a643..4667c4f66b296 100644 --- a/src/test/mir-opt/array-index-is-temporary.rs +++ b/src/test/mir-opt/array-index-is-temporary.rs @@ -7,35 +7,11 @@ unsafe fn foo(z: *mut usize) -> u32 { 99 } +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.main.SimplifyCfg-elaborate-drops.after.mir fn main() { let mut x = [42, 43, 44]; let mut y = 1; let z: *mut usize = &mut y; x[y] = unsafe { foo(z) }; } - -// END RUST SOURCE -// START rustc.main.SimplifyCfg-elaborate-drops.after.mir -// bb0: { -// ... -// _4 = &mut _2; -// _3 = &raw mut (*_4); -// ... -// _6 = _3; -// _5 = const foo(move _6) -> bb1; -// } -// -// bb1: { -// ... -// _7 = _2; -// _8 = Len(_1); -// _9 = Lt(_7, _8); -// assert(move _9, "index out of bounds: the len is move _8 but the index is _7") -> bb2; -// } -// -// bb2: { -// _1[_7] = move _5; -// ... -// return; -// } -// END rustc.main.SimplifyCfg-elaborate-drops.after.mir diff --git a/src/test/mir-opt/array-index-is-temporary/32bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/array-index-is-temporary/32bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..052a335d00be6 --- /dev/null +++ b/src/test/mir-opt/array-index-is-temporary/32bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,91 @@ +// MIR for `main` after SimplifyCfg-elaborate-drops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/array-index-is-temporary.rs:12:11: 12:11 + let mut _1: [u32; 3]; // in scope 0 at $DIR/array-index-is-temporary.rs:13:9: 13:14 + let mut _4: &mut usize; // in scope 0 at $DIR/array-index-is-temporary.rs:15:25: 15:31 + let mut _5: u32; // in scope 0 at $DIR/array-index-is-temporary.rs:16:12: 16:29 + let mut _6: *mut usize; // in scope 0 at $DIR/array-index-is-temporary.rs:16:25: 16:26 + let _7: usize; // in scope 0 at $DIR/array-index-is-temporary.rs:16:7: 16:8 + let mut _8: usize; // in scope 0 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + let mut _9: bool; // in scope 0 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + scope 1 { + debug x => _1; // in scope 1 at $DIR/array-index-is-temporary.rs:13:9: 13:14 + let mut _2: usize; // in scope 1 at $DIR/array-index-is-temporary.rs:14:9: 14:14 + scope 2 { + debug y => _2; // in scope 2 at $DIR/array-index-is-temporary.rs:14:9: 14:14 + let _3: *mut usize as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 2 at $DIR/array-index-is-temporary.rs:15:9: 15:10 + scope 3 { + debug z => _3; // in scope 3 at $DIR/array-index-is-temporary.rs:15:9: 15:10 + scope 4 { + } + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/array-index-is-temporary.rs:13:9: 13:14 + _1 = [const 42u32, const 43u32, const 44u32]; // bb0[1]: scope 0 at $DIR/array-index-is-temporary.rs:13:17: 13:29 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:13:18: 13:20 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002b)) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:13:22: 13:24 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002b)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002c)) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:13:26: 13:28 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002c)) } + StorageLive(_2); // bb0[2]: scope 1 at $DIR/array-index-is-temporary.rs:14:9: 14:14 + _2 = const 1usize; // bb0[3]: scope 1 at $DIR/array-index-is-temporary.rs:14:17: 14:18 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:14:17: 14:18 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } + StorageLive(_3); // bb0[4]: scope 2 at $DIR/array-index-is-temporary.rs:15:9: 15:10 + StorageLive(_4); // bb0[5]: scope 2 at $DIR/array-index-is-temporary.rs:15:25: 15:31 + _4 = &mut _2; // bb0[6]: scope 2 at $DIR/array-index-is-temporary.rs:15:25: 15:31 + _3 = &raw mut (*_4); // bb0[7]: scope 2 at $DIR/array-index-is-temporary.rs:15:25: 15:31 + StorageDead(_4); // bb0[8]: scope 2 at $DIR/array-index-is-temporary.rs:15:31: 15:32 + StorageLive(_5); // bb0[9]: scope 3 at $DIR/array-index-is-temporary.rs:16:12: 16:29 + StorageLive(_6); // bb0[10]: scope 4 at $DIR/array-index-is-temporary.rs:16:25: 16:26 + _6 = _3; // bb0[11]: scope 4 at $DIR/array-index-is-temporary.rs:16:25: 16:26 + _5 = const foo(move _6) -> bb1; // bb0[12]: scope 4 at $DIR/array-index-is-temporary.rs:16:21: 16:27 + // ty::Const + // + ty: unsafe fn(*mut usize) -> u32 {foo} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:16:21: 16:24 + // + literal: Const { ty: unsafe fn(*mut usize) -> u32 {foo}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_6); // bb1[0]: scope 4 at $DIR/array-index-is-temporary.rs:16:26: 16:27 + StorageLive(_7); // bb1[1]: scope 3 at $DIR/array-index-is-temporary.rs:16:7: 16:8 + _7 = _2; // bb1[2]: scope 3 at $DIR/array-index-is-temporary.rs:16:7: 16:8 + _8 = Len(_1); // bb1[3]: scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + _9 = Lt(_7, _8); // bb1[4]: scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + assert(move _9, "index out of bounds: the len is move _8 but the index is _7") -> bb2; // bb1[5]: scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + } + + bb2: { + _1[_7] = move _5; // bb2[0]: scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:29 + StorageDead(_5); // bb2[1]: scope 3 at $DIR/array-index-is-temporary.rs:16:28: 16:29 + StorageDead(_7); // bb2[2]: scope 3 at $DIR/array-index-is-temporary.rs:16:29: 16:30 + _0 = (); // bb2[3]: scope 0 at $DIR/array-index-is-temporary.rs:12:11: 17:2 + StorageDead(_3); // bb2[4]: scope 2 at $DIR/array-index-is-temporary.rs:17:1: 17:2 + StorageDead(_2); // bb2[5]: scope 1 at $DIR/array-index-is-temporary.rs:17:1: 17:2 + StorageDead(_1); // bb2[6]: scope 0 at $DIR/array-index-is-temporary.rs:17:1: 17:2 + return; // bb2[7]: scope 0 at $DIR/array-index-is-temporary.rs:17:2: 17:2 + } +} diff --git a/src/test/mir-opt/array-index-is-temporary/64bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/array-index-is-temporary/64bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..e180f44969548 --- /dev/null +++ b/src/test/mir-opt/array-index-is-temporary/64bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,91 @@ +// MIR for `main` after SimplifyCfg-elaborate-drops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/array-index-is-temporary.rs:12:11: 12:11 + let mut _1: [u32; 3]; // in scope 0 at $DIR/array-index-is-temporary.rs:13:9: 13:14 + let mut _4: &mut usize; // in scope 0 at $DIR/array-index-is-temporary.rs:15:25: 15:31 + let mut _5: u32; // in scope 0 at $DIR/array-index-is-temporary.rs:16:12: 16:29 + let mut _6: *mut usize; // in scope 0 at $DIR/array-index-is-temporary.rs:16:25: 16:26 + let _7: usize; // in scope 0 at $DIR/array-index-is-temporary.rs:16:7: 16:8 + let mut _8: usize; // in scope 0 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + let mut _9: bool; // in scope 0 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + scope 1 { + debug x => _1; // in scope 1 at $DIR/array-index-is-temporary.rs:13:9: 13:14 + let mut _2: usize; // in scope 1 at $DIR/array-index-is-temporary.rs:14:9: 14:14 + scope 2 { + debug y => _2; // in scope 2 at $DIR/array-index-is-temporary.rs:14:9: 14:14 + let _3: *mut usize as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 2 at $DIR/array-index-is-temporary.rs:15:9: 15:10 + scope 3 { + debug z => _3; // in scope 3 at $DIR/array-index-is-temporary.rs:15:9: 15:10 + scope 4 { + } + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/array-index-is-temporary.rs:13:9: 13:14 + _1 = [const 42u32, const 43u32, const 44u32]; // bb0[1]: scope 0 at $DIR/array-index-is-temporary.rs:13:17: 13:29 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:13:18: 13:20 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002b)) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:13:22: 13:24 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002b)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002c)) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:13:26: 13:28 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002c)) } + StorageLive(_2); // bb0[2]: scope 1 at $DIR/array-index-is-temporary.rs:14:9: 14:14 + _2 = const 1usize; // bb0[3]: scope 1 at $DIR/array-index-is-temporary.rs:14:17: 14:18 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:14:17: 14:18 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } + StorageLive(_3); // bb0[4]: scope 2 at $DIR/array-index-is-temporary.rs:15:9: 15:10 + StorageLive(_4); // bb0[5]: scope 2 at $DIR/array-index-is-temporary.rs:15:25: 15:31 + _4 = &mut _2; // bb0[6]: scope 2 at $DIR/array-index-is-temporary.rs:15:25: 15:31 + _3 = &raw mut (*_4); // bb0[7]: scope 2 at $DIR/array-index-is-temporary.rs:15:25: 15:31 + StorageDead(_4); // bb0[8]: scope 2 at $DIR/array-index-is-temporary.rs:15:31: 15:32 + StorageLive(_5); // bb0[9]: scope 3 at $DIR/array-index-is-temporary.rs:16:12: 16:29 + StorageLive(_6); // bb0[10]: scope 4 at $DIR/array-index-is-temporary.rs:16:25: 16:26 + _6 = _3; // bb0[11]: scope 4 at $DIR/array-index-is-temporary.rs:16:25: 16:26 + _5 = const foo(move _6) -> bb1; // bb0[12]: scope 4 at $DIR/array-index-is-temporary.rs:16:21: 16:27 + // ty::Const + // + ty: unsafe fn(*mut usize) -> u32 {foo} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/array-index-is-temporary.rs:16:21: 16:24 + // + literal: Const { ty: unsafe fn(*mut usize) -> u32 {foo}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_6); // bb1[0]: scope 4 at $DIR/array-index-is-temporary.rs:16:26: 16:27 + StorageLive(_7); // bb1[1]: scope 3 at $DIR/array-index-is-temporary.rs:16:7: 16:8 + _7 = _2; // bb1[2]: scope 3 at $DIR/array-index-is-temporary.rs:16:7: 16:8 + _8 = Len(_1); // bb1[3]: scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + _9 = Lt(_7, _8); // bb1[4]: scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + assert(move _9, "index out of bounds: the len is move _8 but the index is _7") -> bb2; // bb1[5]: scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:9 + } + + bb2: { + _1[_7] = move _5; // bb2[0]: scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:29 + StorageDead(_5); // bb2[1]: scope 3 at $DIR/array-index-is-temporary.rs:16:28: 16:29 + StorageDead(_7); // bb2[2]: scope 3 at $DIR/array-index-is-temporary.rs:16:29: 16:30 + _0 = (); // bb2[3]: scope 0 at $DIR/array-index-is-temporary.rs:12:11: 17:2 + StorageDead(_3); // bb2[4]: scope 2 at $DIR/array-index-is-temporary.rs:17:1: 17:2 + StorageDead(_2); // bb2[5]: scope 1 at $DIR/array-index-is-temporary.rs:17:1: 17:2 + StorageDead(_1); // bb2[6]: scope 0 at $DIR/array-index-is-temporary.rs:17:1: 17:2 + return; // bb2[7]: scope 0 at $DIR/array-index-is-temporary.rs:17:2: 17:2 + } +} diff --git a/src/test/mir-opt/box_expr.rs b/src/test/mir-opt/box_expr.rs index fa1a291858bec..beaf0baf12c0b 100644 --- a/src/test/mir-opt/box_expr.rs +++ b/src/test/mir-opt/box_expr.rs @@ -2,6 +2,7 @@ #![feature(box_syntax)] +// EMIT_MIR rustc.main.ElaborateDrops.before.mir fn main() { let x = box S::new(); drop(x); @@ -18,60 +19,3 @@ impl Drop for S { println!("splat!"); } } - -// END RUST SOURCE -// START rustc.main.ElaborateDrops.before.mir -// let mut _0: (); -// let _1: std::boxed::Box; -// let mut _2: std::boxed::Box; -// let _3: (); -// let mut _4: std::boxed::Box; -// scope 1 { -// debug x => _1; -// } -// bb0: { -// StorageLive(_1); -// StorageLive(_2); -// _2 = Box(S); -// (*_2) = const S::new() -> [return: bb2, unwind: bb3]; -// } -// -// bb1 (cleanup): { -// resume; -// } -// -// bb2: { -// _1 = move _2; -// drop(_2) -> bb4; -// } -// -// bb3 (cleanup): { -// drop(_2) -> bb1; -// } -// -// bb4: { -// StorageDead(_2); -// StorageLive(_3); -// StorageLive(_4); -// _4 = move _1; -// _3 = const std::mem::drop::>(move _4) -> [return: bb5, unwind: bb7]; -// } -// -// bb5: { -// StorageDead(_4); -// StorageDead(_3); -// _0 = (); -// drop(_1) -> bb8; -// } -// bb6 (cleanup): { -// drop(_1) -> bb1; -// } -// bb7 (cleanup): { -// drop(_4) -> bb6; -// } -// bb8: { -// StorageDead(_1); -// return; -// } -// } -// END rustc.main.ElaborateDrops.before.mir diff --git a/src/test/mir-opt/box_expr/rustc.main.ElaborateDrops.before.mir b/src/test/mir-opt/box_expr/rustc.main.ElaborateDrops.before.mir new file mode 100644 index 0000000000000..61986535dd3f9 --- /dev/null +++ b/src/test/mir-opt/box_expr/rustc.main.ElaborateDrops.before.mir @@ -0,0 +1,72 @@ +// MIR for `main` before ElaborateDrops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/box_expr.rs:6:11: 6:11 + let _1: std::boxed::Box; // in scope 0 at $DIR/box_expr.rs:7:9: 7:10 + let mut _2: std::boxed::Box; // in scope 0 at $DIR/box_expr.rs:7:13: 7:25 + let _3: (); // in scope 0 at $DIR/box_expr.rs:8:5: 8:12 + let mut _4: std::boxed::Box; // in scope 0 at $DIR/box_expr.rs:8:10: 8:11 + scope 1 { + debug x => _1; // in scope 1 at $DIR/box_expr.rs:7:9: 7:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/box_expr.rs:7:9: 7:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/box_expr.rs:7:13: 7:25 + _2 = Box(S); // bb0[2]: scope 0 at $DIR/box_expr.rs:7:13: 7:25 + (*_2) = const S::new() -> [return: bb2, unwind: bb3]; // bb0[3]: scope 0 at $DIR/box_expr.rs:7:17: 7:25 + // ty::Const + // + ty: fn() -> S {S::new} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/box_expr.rs:7:17: 7:23 + // + literal: Const { ty: fn() -> S {S::new}, val: Value(Scalar()) } + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/box_expr.rs:6:1: 9:2 + } + + bb2: { + _1 = move _2; // bb2[0]: scope 0 at $DIR/box_expr.rs:7:13: 7:25 + drop(_2) -> bb4; // bb2[1]: scope 0 at $DIR/box_expr.rs:7:24: 7:25 + } + + bb3 (cleanup): { + drop(_2) -> bb1; // bb3[0]: scope 0 at $DIR/box_expr.rs:7:24: 7:25 + } + + bb4: { + StorageDead(_2); // bb4[0]: scope 0 at $DIR/box_expr.rs:7:24: 7:25 + StorageLive(_3); // bb4[1]: scope 1 at $DIR/box_expr.rs:8:5: 8:12 + StorageLive(_4); // bb4[2]: scope 1 at $DIR/box_expr.rs:8:10: 8:11 + _4 = move _1; // bb4[3]: scope 1 at $DIR/box_expr.rs:8:10: 8:11 + _3 = const std::mem::drop::>(move _4) -> [return: bb5, unwind: bb7]; // bb4[4]: scope 1 at $DIR/box_expr.rs:8:5: 8:12 + // ty::Const + // + ty: fn(std::boxed::Box) {std::mem::drop::>} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/box_expr.rs:8:5: 8:9 + // + literal: Const { ty: fn(std::boxed::Box) {std::mem::drop::>}, val: Value(Scalar()) } + } + + bb5: { + StorageDead(_4); // bb5[0]: scope 1 at $DIR/box_expr.rs:8:11: 8:12 + StorageDead(_3); // bb5[1]: scope 1 at $DIR/box_expr.rs:8:12: 8:13 + _0 = (); // bb5[2]: scope 0 at $DIR/box_expr.rs:6:11: 9:2 + drop(_1) -> bb8; // bb5[3]: scope 0 at $DIR/box_expr.rs:9:1: 9:2 + } + + bb6 (cleanup): { + drop(_1) -> bb1; // bb6[0]: scope 0 at $DIR/box_expr.rs:9:1: 9:2 + } + + bb7 (cleanup): { + drop(_4) -> bb6; // bb7[0]: scope 1 at $DIR/box_expr.rs:8:11: 8:12 + } + + bb8: { + StorageDead(_1); // bb8[0]: scope 0 at $DIR/box_expr.rs:9:1: 9:2 + return; // bb8[1]: scope 0 at $DIR/box_expr.rs:9:2: 9:2 + } +} diff --git a/src/test/mir-opt/byte_slice.rs b/src/test/mir-opt/byte_slice.rs index 0fb685c3c4e6d..317e96d6f52d6 100644 --- a/src/test/mir-opt/byte_slice.rs +++ b/src/test/mir-opt/byte_slice.rs @@ -1,15 +1,7 @@ // compile-flags: -Z mir-opt-level=0 +// EMIT_MIR rustc.main.SimplifyCfg-elaborate-drops.after.mir fn main() { let x = b"foo"; let y = [5u8, b'x']; } - -// END RUST SOURCE -// START rustc.main.SimplifyCfg-elaborate-drops.after.mir -// ... -// _1 = const b"foo"; -// ... -// _2 = [const 5u8, const 120u8]; -// ... -// END rustc.main.SimplifyCfg-elaborate-drops.after.mir diff --git a/src/test/mir-opt/byte_slice/rustc.main.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/byte_slice/rustc.main.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..14be9c990bd50 --- /dev/null +++ b/src/test/mir-opt/byte_slice/rustc.main.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,46 @@ +// MIR for `main` after SimplifyCfg-elaborate-drops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/byte_slice.rs:4:11: 4:11 + let _1: &[u8; 3]; // in scope 0 at $DIR/byte_slice.rs:5:9: 5:10 + scope 1 { + debug x => _1; // in scope 1 at $DIR/byte_slice.rs:5:9: 5:10 + let _2: [u8; 2]; // in scope 1 at $DIR/byte_slice.rs:6:9: 6:10 + scope 2 { + debug y => _2; // in scope 2 at $DIR/byte_slice.rs:6:9: 6:10 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/byte_slice.rs:5:9: 5:10 + _1 = const b"foo"; // bb0[1]: scope 0 at $DIR/byte_slice.rs:5:13: 5:19 + // ty::Const + // + ty: &[u8; 3] + // + val: Value(Scalar(alloc0+0)) + // mir::Constant + // + span: $DIR/byte_slice.rs:5:13: 5:19 + // + literal: Const { ty: &[u8; 3], val: Value(Scalar(alloc0+0)) } + StorageLive(_2); // bb0[2]: scope 1 at $DIR/byte_slice.rs:6:9: 6:10 + _2 = [const 5u8, const 120u8]; // bb0[3]: scope 1 at $DIR/byte_slice.rs:6:13: 6:24 + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x05)) + // mir::Constant + // + span: $DIR/byte_slice.rs:6:14: 6:17 + // + literal: Const { ty: u8, val: Value(Scalar(0x05)) } + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x78)) + // mir::Constant + // + span: $DIR/byte_slice.rs:6:19: 6:23 + // + literal: Const { ty: u8, val: Value(Scalar(0x78)) } + _0 = (); // bb0[4]: scope 0 at $DIR/byte_slice.rs:4:11: 7:2 + StorageDead(_2); // bb0[5]: scope 1 at $DIR/byte_slice.rs:7:1: 7:2 + StorageDead(_1); // bb0[6]: scope 0 at $DIR/byte_slice.rs:7:1: 7:2 + return; // bb0[7]: scope 0 at $DIR/byte_slice.rs:7:2: 7:2 + } +} + +alloc0 (size: 3, align: 1) { + 66 6f 6f │ foo +} diff --git a/src/test/mir-opt/combine_array_len.rs b/src/test/mir-opt/combine_array_len.rs index 9a046202cd004..aa1c7459ea155 100644 --- a/src/test/mir-opt/combine_array_len.rs +++ b/src/test/mir-opt/combine_array_len.rs @@ -1,3 +1,6 @@ +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.norm2.InstCombine.diff + fn norm2(x: [f32; 2]) -> f32 { let a = x[0]; let b = x[1]; @@ -7,17 +10,3 @@ fn norm2(x: [f32; 2]) -> f32 { fn main() { assert_eq!(norm2([3.0, 4.0]), 5.0*5.0); } - -// END RUST SOURCE - -// START rustc.norm2.InstCombine.before.mir -// _4 = Len(_1); -// ... -// _8 = Len(_1); -// END rustc.norm2.InstCombine.before.mir - -// START rustc.norm2.InstCombine.after.mir -// _4 = const 2usize; -// ... -// _8 = const 2usize; -// END rustc.norm2.InstCombine.after.mir diff --git a/src/test/mir-opt/combine_array_len/32bit/rustc.norm2.InstCombine.diff b/src/test/mir-opt/combine_array_len/32bit/rustc.norm2.InstCombine.diff new file mode 100644 index 0000000000000..7ec1c9ac637b3 --- /dev/null +++ b/src/test/mir-opt/combine_array_len/32bit/rustc.norm2.InstCombine.diff @@ -0,0 +1,101 @@ +- // MIR for `norm2` before InstCombine ++ // MIR for `norm2` after InstCombine + + fn norm2(_1: [f32; 2]) -> f32 { + debug x => _1; // in scope 0 at $DIR/combine_array_len.rs:4:10: 4:11 + let mut _0: f32; // return place in scope 0 at $DIR/combine_array_len.rs:4:26: 4:29 + let _2: f32; // in scope 0 at $DIR/combine_array_len.rs:5:9: 5:10 + let _3: usize; // in scope 0 at $DIR/combine_array_len.rs:5:15: 5:16 + let mut _4: usize; // in scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + let mut _5: bool; // in scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + let _7: usize; // in scope 0 at $DIR/combine_array_len.rs:6:15: 6:16 + let mut _8: usize; // in scope 0 at $DIR/combine_array_len.rs:6:13: 6:17 + let mut _9: bool; // in scope 0 at $DIR/combine_array_len.rs:6:13: 6:17 + let mut _10: f32; // in scope 0 at $DIR/combine_array_len.rs:7:5: 7:8 + let mut _11: f32; // in scope 0 at $DIR/combine_array_len.rs:7:5: 7:6 + let mut _12: f32; // in scope 0 at $DIR/combine_array_len.rs:7:7: 7:8 + let mut _13: f32; // in scope 0 at $DIR/combine_array_len.rs:7:11: 7:14 + let mut _14: f32; // in scope 0 at $DIR/combine_array_len.rs:7:11: 7:12 + let mut _15: f32; // in scope 0 at $DIR/combine_array_len.rs:7:13: 7:14 + scope 1 { + debug a => _2; // in scope 1 at $DIR/combine_array_len.rs:5:9: 5:10 + let _6: f32; // in scope 1 at $DIR/combine_array_len.rs:6:9: 6:10 + scope 2 { + debug b => _6; // in scope 2 at $DIR/combine_array_len.rs:6:9: 6:10 + } + } + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/combine_array_len.rs:5:9: 5:10 + StorageLive(_3); // bb0[1]: scope 0 at $DIR/combine_array_len.rs:5:15: 5:16 + _3 = const 0usize; // bb0[2]: scope 0 at $DIR/combine_array_len.rs:5:15: 5:16 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/combine_array_len.rs:5:15: 5:16 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000000)) } +- _4 = Len(_1); // bb0[3]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 ++ _4 = const 2usize; // bb0[3]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 ++ // ty::Const ++ // + ty: usize ++ // + val: Value(Scalar(0x00000002)) ++ // mir::Constant ++ // + span: $DIR/combine_array_len.rs:5:13: 5:17 ++ // + literal: Const { ty: usize, val: Value(Scalar(0x00000002)) } + _5 = Lt(_3, _4); // bb0[4]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + assert(move _5, "index out of bounds: the len is move _4 but the index is _3") -> bb1; // bb0[5]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + } + + bb1: { + _2 = _1[_3]; // bb1[0]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + StorageDead(_3); // bb1[1]: scope 0 at $DIR/combine_array_len.rs:5:17: 5:18 + StorageLive(_6); // bb1[2]: scope 1 at $DIR/combine_array_len.rs:6:9: 6:10 + StorageLive(_7); // bb1[3]: scope 1 at $DIR/combine_array_len.rs:6:15: 6:16 + _7 = const 1usize; // bb1[4]: scope 1 at $DIR/combine_array_len.rs:6:15: 6:16 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/combine_array_len.rs:6:15: 6:16 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } +- _8 = Len(_1); // bb1[5]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 ++ _8 = const 2usize; // bb1[5]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 ++ // ty::Const ++ // + ty: usize ++ // + val: Value(Scalar(0x00000002)) ++ // mir::Constant ++ // + span: $DIR/combine_array_len.rs:6:13: 6:17 ++ // + literal: Const { ty: usize, val: Value(Scalar(0x00000002)) } + _9 = Lt(_7, _8); // bb1[6]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 + assert(move _9, "index out of bounds: the len is move _8 but the index is _7") -> bb2; // bb1[7]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 + } + + bb2: { + _6 = _1[_7]; // bb2[0]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 + StorageDead(_7); // bb2[1]: scope 1 at $DIR/combine_array_len.rs:6:17: 6:18 + StorageLive(_10); // bb2[2]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:8 + StorageLive(_11); // bb2[3]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:6 + _11 = _2; // bb2[4]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:6 + StorageLive(_12); // bb2[5]: scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 + _12 = _2; // bb2[6]: scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 + _10 = Mul(move _11, move _12); // bb2[7]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:8 + StorageDead(_12); // bb2[8]: scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 + StorageDead(_11); // bb2[9]: scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 + StorageLive(_13); // bb2[10]: scope 2 at $DIR/combine_array_len.rs:7:11: 7:14 + StorageLive(_14); // bb2[11]: scope 2 at $DIR/combine_array_len.rs:7:11: 7:12 + _14 = _6; // bb2[12]: scope 2 at $DIR/combine_array_len.rs:7:11: 7:12 + StorageLive(_15); // bb2[13]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + _15 = _6; // bb2[14]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + _13 = Mul(move _14, move _15); // bb2[15]: scope 2 at $DIR/combine_array_len.rs:7:11: 7:14 + StorageDead(_15); // bb2[16]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + StorageDead(_14); // bb2[17]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + _0 = Add(move _10, move _13); // bb2[18]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:14 + StorageDead(_13); // bb2[19]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + StorageDead(_10); // bb2[20]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + StorageDead(_6); // bb2[21]: scope 1 at $DIR/combine_array_len.rs:8:1: 8:2 + StorageDead(_2); // bb2[22]: scope 0 at $DIR/combine_array_len.rs:8:1: 8:2 + return; // bb2[23]: scope 0 at $DIR/combine_array_len.rs:8:2: 8:2 + } + } + diff --git a/src/test/mir-opt/combine_array_len/64bit/rustc.norm2.InstCombine.diff b/src/test/mir-opt/combine_array_len/64bit/rustc.norm2.InstCombine.diff new file mode 100644 index 0000000000000..0bab28738d8ac --- /dev/null +++ b/src/test/mir-opt/combine_array_len/64bit/rustc.norm2.InstCombine.diff @@ -0,0 +1,101 @@ +- // MIR for `norm2` before InstCombine ++ // MIR for `norm2` after InstCombine + + fn norm2(_1: [f32; 2]) -> f32 { + debug x => _1; // in scope 0 at $DIR/combine_array_len.rs:4:10: 4:11 + let mut _0: f32; // return place in scope 0 at $DIR/combine_array_len.rs:4:26: 4:29 + let _2: f32; // in scope 0 at $DIR/combine_array_len.rs:5:9: 5:10 + let _3: usize; // in scope 0 at $DIR/combine_array_len.rs:5:15: 5:16 + let mut _4: usize; // in scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + let mut _5: bool; // in scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + let _7: usize; // in scope 0 at $DIR/combine_array_len.rs:6:15: 6:16 + let mut _8: usize; // in scope 0 at $DIR/combine_array_len.rs:6:13: 6:17 + let mut _9: bool; // in scope 0 at $DIR/combine_array_len.rs:6:13: 6:17 + let mut _10: f32; // in scope 0 at $DIR/combine_array_len.rs:7:5: 7:8 + let mut _11: f32; // in scope 0 at $DIR/combine_array_len.rs:7:5: 7:6 + let mut _12: f32; // in scope 0 at $DIR/combine_array_len.rs:7:7: 7:8 + let mut _13: f32; // in scope 0 at $DIR/combine_array_len.rs:7:11: 7:14 + let mut _14: f32; // in scope 0 at $DIR/combine_array_len.rs:7:11: 7:12 + let mut _15: f32; // in scope 0 at $DIR/combine_array_len.rs:7:13: 7:14 + scope 1 { + debug a => _2; // in scope 1 at $DIR/combine_array_len.rs:5:9: 5:10 + let _6: f32; // in scope 1 at $DIR/combine_array_len.rs:6:9: 6:10 + scope 2 { + debug b => _6; // in scope 2 at $DIR/combine_array_len.rs:6:9: 6:10 + } + } + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/combine_array_len.rs:5:9: 5:10 + StorageLive(_3); // bb0[1]: scope 0 at $DIR/combine_array_len.rs:5:15: 5:16 + _3 = const 0usize; // bb0[2]: scope 0 at $DIR/combine_array_len.rs:5:15: 5:16 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000000)) + // mir::Constant + // + span: $DIR/combine_array_len.rs:5:15: 5:16 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000000)) } +- _4 = Len(_1); // bb0[3]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 ++ _4 = const 2usize; // bb0[3]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 ++ // ty::Const ++ // + ty: usize ++ // + val: Value(Scalar(0x0000000000000002)) ++ // mir::Constant ++ // + span: $DIR/combine_array_len.rs:5:13: 5:17 ++ // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000002)) } + _5 = Lt(_3, _4); // bb0[4]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + assert(move _5, "index out of bounds: the len is move _4 but the index is _3") -> bb1; // bb0[5]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + } + + bb1: { + _2 = _1[_3]; // bb1[0]: scope 0 at $DIR/combine_array_len.rs:5:13: 5:17 + StorageDead(_3); // bb1[1]: scope 0 at $DIR/combine_array_len.rs:5:17: 5:18 + StorageLive(_6); // bb1[2]: scope 1 at $DIR/combine_array_len.rs:6:9: 6:10 + StorageLive(_7); // bb1[3]: scope 1 at $DIR/combine_array_len.rs:6:15: 6:16 + _7 = const 1usize; // bb1[4]: scope 1 at $DIR/combine_array_len.rs:6:15: 6:16 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $DIR/combine_array_len.rs:6:15: 6:16 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } +- _8 = Len(_1); // bb1[5]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 ++ _8 = const 2usize; // bb1[5]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 ++ // ty::Const ++ // + ty: usize ++ // + val: Value(Scalar(0x0000000000000002)) ++ // mir::Constant ++ // + span: $DIR/combine_array_len.rs:6:13: 6:17 ++ // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000002)) } + _9 = Lt(_7, _8); // bb1[6]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 + assert(move _9, "index out of bounds: the len is move _8 but the index is _7") -> bb2; // bb1[7]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 + } + + bb2: { + _6 = _1[_7]; // bb2[0]: scope 1 at $DIR/combine_array_len.rs:6:13: 6:17 + StorageDead(_7); // bb2[1]: scope 1 at $DIR/combine_array_len.rs:6:17: 6:18 + StorageLive(_10); // bb2[2]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:8 + StorageLive(_11); // bb2[3]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:6 + _11 = _2; // bb2[4]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:6 + StorageLive(_12); // bb2[5]: scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 + _12 = _2; // bb2[6]: scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 + _10 = Mul(move _11, move _12); // bb2[7]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:8 + StorageDead(_12); // bb2[8]: scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 + StorageDead(_11); // bb2[9]: scope 2 at $DIR/combine_array_len.rs:7:7: 7:8 + StorageLive(_13); // bb2[10]: scope 2 at $DIR/combine_array_len.rs:7:11: 7:14 + StorageLive(_14); // bb2[11]: scope 2 at $DIR/combine_array_len.rs:7:11: 7:12 + _14 = _6; // bb2[12]: scope 2 at $DIR/combine_array_len.rs:7:11: 7:12 + StorageLive(_15); // bb2[13]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + _15 = _6; // bb2[14]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + _13 = Mul(move _14, move _15); // bb2[15]: scope 2 at $DIR/combine_array_len.rs:7:11: 7:14 + StorageDead(_15); // bb2[16]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + StorageDead(_14); // bb2[17]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + _0 = Add(move _10, move _13); // bb2[18]: scope 2 at $DIR/combine_array_len.rs:7:5: 7:14 + StorageDead(_13); // bb2[19]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + StorageDead(_10); // bb2[20]: scope 2 at $DIR/combine_array_len.rs:7:13: 7:14 + StorageDead(_6); // bb2[21]: scope 1 at $DIR/combine_array_len.rs:8:1: 8:2 + StorageDead(_2); // bb2[22]: scope 0 at $DIR/combine_array_len.rs:8:1: 8:2 + return; // bb2[23]: scope 0 at $DIR/combine_array_len.rs:8:2: 8:2 + } + } + diff --git a/src/test/mir-opt/const_prop/aggregate.rs b/src/test/mir-opt/const_prop/aggregate.rs index d04dcc6a05ce1..928ed8265d3fb 100644 --- a/src/test/mir-opt/const_prop/aggregate.rs +++ b/src/test/mir-opt/const_prop/aggregate.rs @@ -1,25 +1,6 @@ // compile-flags: -O +// EMIT_MIR rustc.main.ConstProp.diff fn main() { let x = (0, 1, 2).1 + 0; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _3 = (const 0i32, const 1i32, const 2i32); -// _2 = (_3.1: i32); -// _1 = Add(move _2, const 0i32); -// ... -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _3 = (const 0i32, const 1i32, const 2i32); -// _2 = const 1i32; -// _1 = const 1i32; -// ... -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/aggregate/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/aggregate/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..d20019287b08c --- /dev/null +++ b/src/test/mir-opt/const_prop/aggregate/rustc.main.ConstProp.diff @@ -0,0 +1,62 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/aggregate.rs:4:11: 4:11 + let _1: i32; // in scope 0 at $DIR/aggregate.rs:5:9: 5:10 + let mut _2: i32; // in scope 0 at $DIR/aggregate.rs:5:13: 5:24 + let mut _3: (i32, i32, i32); // in scope 0 at $DIR/aggregate.rs:5:13: 5:22 + scope 1 { + debug x => _1; // in scope 1 at $DIR/aggregate.rs:5:9: 5:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/aggregate.rs:5:9: 5:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/aggregate.rs:5:13: 5:24 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/aggregate.rs:5:13: 5:22 + _3 = (const 0i32, const 1i32, const 2i32); // bb0[3]: scope 0 at $DIR/aggregate.rs:5:13: 5:22 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/aggregate.rs:5:14: 5:15 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/aggregate.rs:5:17: 5:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/aggregate.rs:5:20: 5:21 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } +- _2 = (_3.1: i32); // bb0[4]: scope 0 at $DIR/aggregate.rs:5:13: 5:24 +- _1 = Add(move _2, const 0i32); // bb0[5]: scope 0 at $DIR/aggregate.rs:5:13: 5:28 ++ _2 = const 1i32; // bb0[4]: scope 0 at $DIR/aggregate.rs:5:13: 5:24 + // ty::Const + // + ty: i32 +- // + val: Value(Scalar(0x00000000)) ++ // + val: Value(Scalar(0x00000001)) + // mir::Constant +- // + span: $DIR/aggregate.rs:5:27: 5:28 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } ++ // + span: $DIR/aggregate.rs:5:13: 5:24 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } ++ _1 = const 1i32; // bb0[5]: scope 0 at $DIR/aggregate.rs:5:13: 5:28 ++ // ty::Const ++ // + ty: i32 ++ // + val: Value(Scalar(0x00000001)) ++ // mir::Constant ++ // + span: $DIR/aggregate.rs:5:13: 5:28 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + StorageDead(_2); // bb0[6]: scope 0 at $DIR/aggregate.rs:5:27: 5:28 + StorageDead(_3); // bb0[7]: scope 0 at $DIR/aggregate.rs:5:28: 5:29 + _0 = (); // bb0[8]: scope 0 at $DIR/aggregate.rs:4:11: 6:2 + StorageDead(_1); // bb0[9]: scope 0 at $DIR/aggregate.rs:6:1: 6:2 + return; // bb0[10]: scope 0 at $DIR/aggregate.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/array_index.rs b/src/test/mir-opt/const_prop/array_index.rs index 406585b5cab8e..9301e6f5d0393 100644 --- a/src/test/mir-opt/const_prop/array_index.rs +++ b/src/test/mir-opt/const_prop/array_index.rs @@ -1,33 +1,6 @@ +// EMIT_MIR_FOR_EACH_BIT_WIDTH + +// EMIT_MIR rustc.main.ConstProp.diff fn main() { let x: u32 = [0, 1, 2, 3][2]; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _2 = [const 0u32, const 1u32, const 2u32, const 3u32]; -// ... -// _3 = const 2usize; -// _4 = const 4usize; -// _5 = Lt(_3, _4); -// assert(move _5, "index out of bounds: the len is move _4 but the index is _3") -> bb1; -// } -// bb1: { -// _1 = _2[_3]; -// ... -// return; -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _5 = const true; -// assert(const true, "index out of bounds: the len is move _4 but the index is _3") -> bb1; -// } -// bb1: { -// _1 = const 2u32; -// ... -// return; -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/array_index/32bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/array_index/32bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..f956ef82707bc --- /dev/null +++ b/src/test/mir-opt/const_prop/array_index/32bit/rustc.main.ConstProp.diff @@ -0,0 +1,92 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/array_index.rs:4:11: 4:11 + let _1: u32 as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 0 at $DIR/array_index.rs:5:9: 5:10 + let mut _2: [u32; 4]; // in scope 0 at $DIR/array_index.rs:5:18: 5:30 + let _3: usize; // in scope 0 at $DIR/array_index.rs:5:31: 5:32 + let mut _4: usize; // in scope 0 at $DIR/array_index.rs:5:18: 5:33 + let mut _5: bool; // in scope 0 at $DIR/array_index.rs:5:18: 5:33 + scope 1 { + debug x => _1; // in scope 1 at $DIR/array_index.rs:5:9: 5:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/array_index.rs:5:9: 5:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/array_index.rs:5:18: 5:30 + _2 = [const 0u32, const 1u32, const 2u32, const 3u32]; // bb0[2]: scope 0 at $DIR/array_index.rs:5:18: 5:30 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/array_index.rs:5:19: 5:20 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/array_index.rs:5:22: 5:23 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/array_index.rs:5:25: 5:26 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/array_index.rs:5:28: 5:29 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_3); // bb0[3]: scope 0 at $DIR/array_index.rs:5:31: 5:32 + _3 = const 2usize; // bb0[4]: scope 0 at $DIR/array_index.rs:5:31: 5:32 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/array_index.rs:5:31: 5:32 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000002)) } + _4 = const 4usize; // bb0[5]: scope 0 at $DIR/array_index.rs:5:18: 5:33 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/array_index.rs:5:18: 5:33 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000004)) } +- _5 = Lt(_3, _4); // bb0[6]: scope 0 at $DIR/array_index.rs:5:18: 5:33 +- assert(move _5, "index out of bounds: the len is move _4 but the index is _3") -> bb1; // bb0[7]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ _5 = const true; // bb0[6]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/array_index.rs:5:18: 5:33 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } ++ assert(const true, "index out of bounds: the len is move _4 but the index is _3") -> bb1; // bb0[7]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/array_index.rs:5:18: 5:33 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb1: { +- _1 = _2[_3]; // bb1[0]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ _1 = const 2u32; // bb1[0]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x00000002)) ++ // mir::Constant ++ // + span: $DIR/array_index.rs:5:18: 5:33 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageDead(_3); // bb1[1]: scope 0 at $DIR/array_index.rs:5:33: 5:34 + StorageDead(_2); // bb1[2]: scope 0 at $DIR/array_index.rs:5:33: 5:34 + _0 = (); // bb1[3]: scope 0 at $DIR/array_index.rs:4:11: 6:2 + StorageDead(_1); // bb1[4]: scope 0 at $DIR/array_index.rs:6:1: 6:2 + return; // bb1[5]: scope 0 at $DIR/array_index.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/array_index/64bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/array_index/64bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..c336d6e66ae4d --- /dev/null +++ b/src/test/mir-opt/const_prop/array_index/64bit/rustc.main.ConstProp.diff @@ -0,0 +1,92 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/array_index.rs:4:11: 4:11 + let _1: u32 as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 0 at $DIR/array_index.rs:5:9: 5:10 + let mut _2: [u32; 4]; // in scope 0 at $DIR/array_index.rs:5:18: 5:30 + let _3: usize; // in scope 0 at $DIR/array_index.rs:5:31: 5:32 + let mut _4: usize; // in scope 0 at $DIR/array_index.rs:5:18: 5:33 + let mut _5: bool; // in scope 0 at $DIR/array_index.rs:5:18: 5:33 + scope 1 { + debug x => _1; // in scope 1 at $DIR/array_index.rs:5:9: 5:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/array_index.rs:5:9: 5:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/array_index.rs:5:18: 5:30 + _2 = [const 0u32, const 1u32, const 2u32, const 3u32]; // bb0[2]: scope 0 at $DIR/array_index.rs:5:18: 5:30 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/array_index.rs:5:19: 5:20 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/array_index.rs:5:22: 5:23 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/array_index.rs:5:25: 5:26 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/array_index.rs:5:28: 5:29 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_3); // bb0[3]: scope 0 at $DIR/array_index.rs:5:31: 5:32 + _3 = const 2usize; // bb0[4]: scope 0 at $DIR/array_index.rs:5:31: 5:32 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000002)) + // mir::Constant + // + span: $DIR/array_index.rs:5:31: 5:32 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000002)) } + _4 = const 4usize; // bb0[5]: scope 0 at $DIR/array_index.rs:5:18: 5:33 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000004)) + // mir::Constant + // + span: $DIR/array_index.rs:5:18: 5:33 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000004)) } +- _5 = Lt(_3, _4); // bb0[6]: scope 0 at $DIR/array_index.rs:5:18: 5:33 +- assert(move _5, "index out of bounds: the len is move _4 but the index is _3") -> bb1; // bb0[7]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ _5 = const true; // bb0[6]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/array_index.rs:5:18: 5:33 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } ++ assert(const true, "index out of bounds: the len is move _4 but the index is _3") -> bb1; // bb0[7]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/array_index.rs:5:18: 5:33 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb1: { +- _1 = _2[_3]; // bb1[0]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ _1 = const 2u32; // bb1[0]: scope 0 at $DIR/array_index.rs:5:18: 5:33 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x00000002)) ++ // mir::Constant ++ // + span: $DIR/array_index.rs:5:18: 5:33 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageDead(_3); // bb1[1]: scope 0 at $DIR/array_index.rs:5:33: 5:34 + StorageDead(_2); // bb1[2]: scope 0 at $DIR/array_index.rs:5:33: 5:34 + _0 = (); // bb1[3]: scope 0 at $DIR/array_index.rs:4:11: 6:2 + StorageDead(_1); // bb1[4]: scope 0 at $DIR/array_index.rs:6:1: 6:2 + return; // bb1[5]: scope 0 at $DIR/array_index.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/boxes.rs b/src/test/mir-opt/const_prop/boxes.rs index cf134dadf2789..d45804ebb6cf2 100644 --- a/src/test/mir-opt/const_prop/boxes.rs +++ b/src/test/mir-opt/const_prop/boxes.rs @@ -7,50 +7,7 @@ // Note: this test verifies that we, in fact, do not const prop `box` +// EMIT_MIR rustc.main.ConstProp.diff fn main() { let x = *(box 42) + 0; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _4 = Box(i32); -// (*_4) = const 42i32; -// _3 = move _4; -// ... -// _2 = (*_3); -// _1 = Add(move _2, const 0i32); -// ... -// drop(_3) -> [return: bb2, unwind: bb1]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// ... -// _0 = (); -// ... -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _4 = Box(i32); -// (*_4) = const 42i32; -// _3 = move _4; -// ... -// _2 = (*_3); -// _1 = Add(move _2, const 0i32); -// ... -// drop(_3) -> [return: bb2, unwind: bb1]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// ... -// _0 = (); -// ... -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/boxes/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/boxes/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..50ee2abecfe45 --- /dev/null +++ b/src/test/mir-opt/const_prop/boxes/rustc.main.ConstProp.diff @@ -0,0 +1,52 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/boxes.rs:11:11: 11:11 + let _1: i32; // in scope 0 at $DIR/boxes.rs:12:9: 12:10 + let mut _2: i32; // in scope 0 at $DIR/boxes.rs:12:13: 12:22 + let mut _3: std::boxed::Box; // in scope 0 at $DIR/boxes.rs:12:14: 12:22 + let mut _4: std::boxed::Box; // in scope 0 at $DIR/boxes.rs:12:14: 12:22 + scope 1 { + debug x => _1; // in scope 1 at $DIR/boxes.rs:12:9: 12:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/boxes.rs:12:9: 12:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/boxes.rs:12:13: 12:22 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/boxes.rs:12:14: 12:22 + StorageLive(_4); // bb0[3]: scope 0 at $DIR/boxes.rs:12:14: 12:22 + _4 = Box(i32); // bb0[4]: scope 0 at $DIR/boxes.rs:12:14: 12:22 + (*_4) = const 42i32; // bb0[5]: scope 0 at $DIR/boxes.rs:12:19: 12:21 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/boxes.rs:12:19: 12:21 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000002a)) } + _3 = move _4; // bb0[6]: scope 0 at $DIR/boxes.rs:12:14: 12:22 + StorageDead(_4); // bb0[7]: scope 0 at $DIR/boxes.rs:12:21: 12:22 + _2 = (*_3); // bb0[8]: scope 0 at $DIR/boxes.rs:12:13: 12:22 + _1 = Add(move _2, const 0i32); // bb0[9]: scope 0 at $DIR/boxes.rs:12:13: 12:26 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/boxes.rs:12:25: 12:26 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + StorageDead(_2); // bb0[10]: scope 0 at $DIR/boxes.rs:12:25: 12:26 + drop(_3) -> [return: bb2, unwind: bb1]; // bb0[11]: scope 0 at $DIR/boxes.rs:12:26: 12:27 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/boxes.rs:11:1: 13:2 + } + + bb2: { + StorageDead(_3); // bb2[0]: scope 0 at $DIR/boxes.rs:12:26: 12:27 + _0 = (); // bb2[1]: scope 0 at $DIR/boxes.rs:11:11: 13:2 + StorageDead(_1); // bb2[2]: scope 0 at $DIR/boxes.rs:13:1: 13:2 + return; // bb2[3]: scope 0 at $DIR/boxes.rs:13:2: 13:2 + } + } + diff --git a/src/test/mir-opt/const_prop/checked_add.rs b/src/test/mir-opt/const_prop/checked_add.rs index fe98cf24eec00..439bd2df91f57 100644 --- a/src/test/mir-opt/const_prop/checked_add.rs +++ b/src/test/mir-opt/const_prop/checked_add.rs @@ -1,21 +1,6 @@ // compile-flags: -C overflow-checks=on +// EMIT_MIR rustc.main.ConstProp.diff fn main() { let x: u32 = 1 + 1; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _2 = CheckedAdd(const 1u32, const 1u32); -// assert(!move (_2.1: bool), "attempt to add with overflow") -> bb1; -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _2 = (const 2u32, const false); -// assert(!const false, "attempt to add with overflow") -> bb1; -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/checked_add/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/checked_add/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..0a0a4ff852f0f --- /dev/null +++ b/src/test/mir-opt/const_prop/checked_add/rustc.main.ConstProp.diff @@ -0,0 +1,59 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/checked_add.rs:4:11: 4:11 + let _1: u32 as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 0 at $DIR/checked_add.rs:5:9: 5:10 + let mut _2: (u32, bool); // in scope 0 at $DIR/checked_add.rs:5:18: 5:23 + scope 1 { + debug x => _1; // in scope 1 at $DIR/checked_add.rs:5:9: 5:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/checked_add.rs:5:9: 5:10 +- _2 = CheckedAdd(const 1u32, const 1u32); // bb0[1]: scope 0 at $DIR/checked_add.rs:5:18: 5:23 ++ _2 = (const 2u32, const false); // bb0[1]: scope 0 at $DIR/checked_add.rs:5:18: 5:23 + // ty::Const + // + ty: u32 +- // + val: Value(Scalar(0x00000001)) ++ // + val: Value(Scalar(0x00000002)) + // mir::Constant +- // + span: $DIR/checked_add.rs:5:18: 5:19 +- // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } ++ // + span: $DIR/checked_add.rs:5:18: 5:23 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + // ty::Const +- // + ty: u32 +- // + val: Value(Scalar(0x00000001)) ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) + // mir::Constant +- // + span: $DIR/checked_add.rs:5:22: 5:23 +- // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } +- assert(!move (_2.1: bool), "attempt to add with overflow") -> bb1; // bb0[2]: scope 0 at $DIR/checked_add.rs:5:18: 5:23 ++ // + span: $DIR/checked_add.rs:5:18: 5:23 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } ++ assert(!const false, "attempt to add with overflow") -> bb1; // bb0[2]: scope 0 at $DIR/checked_add.rs:5:18: 5:23 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) ++ // mir::Constant ++ // + span: $DIR/checked_add.rs:5:18: 5:23 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + } + + bb1: { +- _1 = move (_2.0: u32); // bb1[0]: scope 0 at $DIR/checked_add.rs:5:18: 5:23 ++ _1 = const 2u32; // bb1[0]: scope 0 at $DIR/checked_add.rs:5:18: 5:23 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x00000002)) ++ // mir::Constant ++ // + span: $DIR/checked_add.rs:5:18: 5:23 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + _0 = (); // bb1[1]: scope 0 at $DIR/checked_add.rs:4:11: 6:2 + StorageDead(_1); // bb1[2]: scope 0 at $DIR/checked_add.rs:6:1: 6:2 + return; // bb1[3]: scope 0 at $DIR/checked_add.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/const_prop_fails_gracefully.rs b/src/test/mir-opt/const_prop/const_prop_fails_gracefully.rs index 3c8c0ff449345..c6c006c080912 100644 --- a/src/test/mir-opt/const_prop/const_prop_fails_gracefully.rs +++ b/src/test/mir-opt/const_prop/const_prop_fails_gracefully.rs @@ -1,31 +1,9 @@ #[inline(never)] fn read(_: usize) { } +// EMIT_MIR rustc.main.ConstProp.diff fn main() { const FOO: &i32 = &1; let x = FOO as *const i32 as usize; read(x); } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _2 = &raw const (*_3); -// _1 = move _2 as usize (Misc); -// ... -// _5 = _1; -// _4 = const read(move _5) -> bb1; -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _3 = const main::FOO; -// _2 = &raw const (*_3); -// _1 = move _2 as usize (Misc); -// ... -// _5 = _1; -// _4 = const read(move _5) -> bb1; -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/const_prop_fails_gracefully/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/const_prop_fails_gracefully/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..f4a5b64f0d932 --- /dev/null +++ b/src/test/mir-opt/const_prop/const_prop_fails_gracefully/rustc.main.ConstProp.diff @@ -0,0 +1,50 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/const_prop_fails_gracefully.rs:5:11: 5:11 + let _1: usize; // in scope 0 at $DIR/const_prop_fails_gracefully.rs:7:9: 7:10 + let mut _2: *const i32; // in scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:30 + let _3: &i32; // in scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16 + let _4: (); // in scope 0 at $DIR/const_prop_fails_gracefully.rs:8:5: 8:12 + let mut _5: usize; // in scope 0 at $DIR/const_prop_fails_gracefully.rs:8:10: 8:11 + scope 1 { + debug x => _1; // in scope 1 at $DIR/const_prop_fails_gracefully.rs:7:9: 7:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/const_prop_fails_gracefully.rs:7:9: 7:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:30 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16 + _3 = const main::FOO; // bb0[3]: scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16 + // ty::Const + // + ty: &i32 + // + val: Unevaluated(DefId(0:5 ~ const_prop_fails_gracefully[317d]::main[0]::FOO[0]), [], None) + // mir::Constant + // + span: $DIR/const_prop_fails_gracefully.rs:7:13: 7:16 + // + literal: Const { ty: &i32, val: Unevaluated(DefId(0:5 ~ const_prop_fails_gracefully[317d]::main[0]::FOO[0]), [], None) } + _2 = &raw const (*_3); // bb0[4]: scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16 + _1 = move _2 as usize (Misc); // bb0[5]: scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:39 + StorageDead(_2); // bb0[6]: scope 0 at $DIR/const_prop_fails_gracefully.rs:7:38: 7:39 + StorageDead(_3); // bb0[7]: scope 0 at $DIR/const_prop_fails_gracefully.rs:7:39: 7:40 + StorageLive(_4); // bb0[8]: scope 1 at $DIR/const_prop_fails_gracefully.rs:8:5: 8:12 + StorageLive(_5); // bb0[9]: scope 1 at $DIR/const_prop_fails_gracefully.rs:8:10: 8:11 + _5 = _1; // bb0[10]: scope 1 at $DIR/const_prop_fails_gracefully.rs:8:10: 8:11 + _4 = const read(move _5) -> bb1; // bb0[11]: scope 1 at $DIR/const_prop_fails_gracefully.rs:8:5: 8:12 + // ty::Const + // + ty: fn(usize) {read} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/const_prop_fails_gracefully.rs:8:5: 8:9 + // + literal: Const { ty: fn(usize) {read}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_5); // bb1[0]: scope 1 at $DIR/const_prop_fails_gracefully.rs:8:11: 8:12 + StorageDead(_4); // bb1[1]: scope 1 at $DIR/const_prop_fails_gracefully.rs:8:12: 8:13 + _0 = (); // bb1[2]: scope 0 at $DIR/const_prop_fails_gracefully.rs:5:11: 9:2 + StorageDead(_1); // bb1[3]: scope 0 at $DIR/const_prop_fails_gracefully.rs:9:1: 9:2 + return; // bb1[4]: scope 0 at $DIR/const_prop_fails_gracefully.rs:9:2: 9:2 + } + } + diff --git a/src/test/mir-opt/const_prop/control-flow-simplification.rs b/src/test/mir-opt/const_prop/control-flow-simplification.rs index 0e9f33b15e2cc..1071590dd9e51 100644 --- a/src/test/mir-opt/const_prop/control-flow-simplification.rs +++ b/src/test/mir-opt/const_prop/control-flow-simplification.rs @@ -6,6 +6,8 @@ trait NeedsDrop:Sized{ impl NeedsDrop for This{} +// EMIT_MIR rustc.hello.ConstProp.diff +// EMIT_MIR rustc.hello.PreCodegen.before.mir fn hello(){ if ::NEEDS { panic!() @@ -16,49 +18,3 @@ pub fn main() { hello::<()>(); hello::>(); } - -// END RUST SOURCE -// START rustc.hello.ConstProp.before.mir -// let mut _0: (); -// let mut _1: bool; -// let mut _2: !; -// bb0: { -// StorageLive(_1); -// _1 = const ::NEEDS; -// switchInt(_1) -> [false: bb1, otherwise: bb2]; -// } -// bb1: { -// _0 = (); -// StorageDead(_1); -// return; -// } -// bb2: { -// StorageLive(_2); -// const std::rt::begin_panic::<&str>(const "explicit panic"); -// } -// END rustc.hello.ConstProp.before.mir -// START rustc.hello.ConstProp.after.mir -// let mut _0: (); -// let mut _1: bool; -// let mut _2: !; -// bb0: { -// StorageLive(_1); -// _1 = const false; -// switchInt(const false) -> [false: bb1, otherwise: bb2]; -// } -// bb1: { -// _0 = (); -// StorageDead(_1); -// return; -// } -// bb2: { -// StorageLive(_2); -// const std::rt::begin_panic::<&str>(const "explicit panic"); -// } -// END rustc.hello.ConstProp.after.mir -// START rustc.hello.PreCodegen.before.mir -// let mut _0: (); -// bb0: { -// return; -// } -// END rustc.hello.PreCodegen.before.mir diff --git a/src/test/mir-opt/const_prop/control-flow-simplification/rustc.hello.ConstProp.diff b/src/test/mir-opt/const_prop/control-flow-simplification/rustc.hello.ConstProp.diff new file mode 100644 index 0000000000000..c551bd77d4078 --- /dev/null +++ b/src/test/mir-opt/const_prop/control-flow-simplification/rustc.hello.ConstProp.diff @@ -0,0 +1,54 @@ +- // MIR for `hello` before ConstProp ++ // MIR for `hello` after ConstProp + + fn hello() -> () { + let mut _0: (); // return place in scope 0 at $DIR/control-flow-simplification.rs:11:14: 11:14 + let mut _1: bool; // in scope 0 at $DIR/control-flow-simplification.rs:12:8: 12:21 + let mut _2: !; // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/control-flow-simplification.rs:12:8: 12:21 +- _1 = const ::NEEDS; // bb0[1]: scope 0 at $DIR/control-flow-simplification.rs:12:8: 12:21 ++ _1 = const false; // bb0[1]: scope 0 at $DIR/control-flow-simplification.rs:12:8: 12:21 + // ty::Const + // + ty: bool +- // + val: Unevaluated(DefId(0:4 ~ control_flow_simplification[317d]::NeedsDrop[0]::NEEDS[0]), [bool], None) ++ // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/control-flow-simplification.rs:12:8: 12:21 +- // + literal: Const { ty: bool, val: Unevaluated(DefId(0:4 ~ control_flow_simplification[317d]::NeedsDrop[0]::NEEDS[0]), [bool], None) } +- switchInt(_1) -> [false: bb1, otherwise: bb2]; // bb0[2]: scope 0 at $DIR/control-flow-simplification.rs:12:5: 14:6 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } ++ switchInt(const false) -> [false: bb1, otherwise: bb2]; // bb0[2]: scope 0 at $DIR/control-flow-simplification.rs:12:5: 14:6 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) ++ // mir::Constant ++ // + span: $DIR/control-flow-simplification.rs:12:5: 14:6 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + } + + bb1: { + _0 = (); // bb1[0]: scope 0 at $DIR/control-flow-simplification.rs:12:5: 14:6 + StorageDead(_1); // bb1[1]: scope 0 at $DIR/control-flow-simplification.rs:15:1: 15:2 + return; // bb1[2]: scope 0 at $DIR/control-flow-simplification.rs:15:2: 15:2 + } + + bb2: { + StorageLive(_2); // bb2[0]: scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL + const std::rt::begin_panic::<&str>(const "explicit panic"); // bb2[1]: scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL + // ty::Const + // + ty: fn(&str) -> ! {std::rt::begin_panic::<&str>} + // + val: Value(Scalar()) + // mir::Constant + // + span: $SRC_DIR/libstd/macros.rs:LL:COL + // + literal: Const { ty: fn(&str) -> ! {std::rt::begin_panic::<&str>}, val: Value(Scalar()) } + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [101, 120, 112, 108, 105, 99, 105, 116, 32, 112, 97, 110, 105, 99], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [16383], len: Size { raw: 14 } }, size: Size { raw: 14 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 14 }) + // mir::Constant + // + span: $SRC_DIR/libstd/macros.rs:LL:COL + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [101, 120, 112, 108, 105, 99, 105, 116, 32, 112, 97, 110, 105, 99], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [16383], len: Size { raw: 14 } }, size: Size { raw: 14 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 14 }) } + } + } + diff --git a/src/test/mir-opt/const_prop/control-flow-simplification/rustc.hello.PreCodegen.before.mir b/src/test/mir-opt/const_prop/control-flow-simplification/rustc.hello.PreCodegen.before.mir new file mode 100644 index 0000000000000..53296f8714b08 --- /dev/null +++ b/src/test/mir-opt/const_prop/control-flow-simplification/rustc.hello.PreCodegen.before.mir @@ -0,0 +1,9 @@ +// MIR for `hello` before PreCodegen + +fn hello() -> () { + let mut _0: (); // return place in scope 0 at $DIR/control-flow-simplification.rs:11:14: 11:14 + + bb0: { + return; // bb0[0]: scope 0 at $DIR/control-flow-simplification.rs:15:2: 15:2 + } +} diff --git a/src/test/mir-opt/const_prop/discriminant.rs b/src/test/mir-opt/const_prop/discriminant.rs index 636aa1af65333..04541b94ad780 100644 --- a/src/test/mir-opt/const_prop/discriminant.rs +++ b/src/test/mir-opt/const_prop/discriminant.rs @@ -1,53 +1,7 @@ // compile-flags: -O +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.main.ConstProp.diff fn main() { let x = (if let Some(true) = Some(true) { 42 } else { 10 }) + 0; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _3 = std::option::Option::::Some(const true,); -// _4 = discriminant(_3); -// switchInt(move _4) -> [1isize: bb2, otherwise: bb1]; -// } -// bb1: { -// _2 = const 10i32; -// goto -> bb4; -// } -// bb2: { -// switchInt(((_3 as Some).0: bool)) -> [false: bb1, otherwise: bb3]; -// } -// bb3: { -// _2 = const 42i32; -// goto -> bb4; -// } -// bb4: { -// _1 = Add(move _2, const 0i32); -// ... -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _3 = const {transmute(0x01): std::option::Option}; -// _4 = const 1isize; -// switchInt(const 1isize) -> [1isize: bb2, otherwise: bb1]; -// } -// bb1: { -// _2 = const 10i32; -// goto -> bb4; -// } -// bb2: { -// switchInt(const true) -> [false: bb1, otherwise: bb3]; -// } -// bb3: { -// _2 = const 42i32; -// goto -> bb4; -// } -// bb4: { -// _1 = Add(move _2, const 0i32); -// ... -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/discriminant/32bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/discriminant/32bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..7423a3cd38d35 --- /dev/null +++ b/src/test/mir-opt/const_prop/discriminant/32bit/rustc.main.ConstProp.diff @@ -0,0 +1,95 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/discriminant.rs:5:11: 5:11 + let _1: i32; // in scope 0 at $DIR/discriminant.rs:6:9: 6:10 + let mut _2: i32; // in scope 0 at $DIR/discriminant.rs:6:13: 6:64 + let mut _3: std::option::Option; // in scope 0 at $DIR/discriminant.rs:6:34: 6:44 + let mut _4: isize; // in scope 0 at $DIR/discriminant.rs:6:21: 6:31 + scope 1 { + debug x => _1; // in scope 1 at $DIR/discriminant.rs:6:9: 6:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/discriminant.rs:6:9: 6:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/discriminant.rs:6:13: 6:64 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/discriminant.rs:6:34: 6:44 +- _3 = std::option::Option::::Some(const true,); // bb0[3]: scope 0 at $DIR/discriminant.rs:6:34: 6:44 ++ _3 = const {transmute(0x01): std::option::Option}; // bb0[3]: scope 0 at $DIR/discriminant.rs:6:34: 6:44 + // ty::Const +- // + ty: bool ++ // + ty: std::option::Option + // + val: Value(Scalar(0x01)) + // mir::Constant +- // + span: $DIR/discriminant.rs:6:39: 6:43 +- // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } +- _4 = discriminant(_3); // bb0[4]: scope 0 at $DIR/discriminant.rs:6:21: 6:31 +- switchInt(move _4) -> [1isize: bb2, otherwise: bb1]; // bb0[5]: scope 0 at $DIR/discriminant.rs:6:21: 6:31 ++ // + span: $DIR/discriminant.rs:6:34: 6:44 ++ // + literal: Const { ty: std::option::Option, val: Value(Scalar(0x01)) } ++ _4 = const 1isize; // bb0[4]: scope 0 at $DIR/discriminant.rs:6:21: 6:31 ++ // ty::Const ++ // + ty: isize ++ // + val: Value(Scalar(0x00000001)) ++ // mir::Constant ++ // + span: $DIR/discriminant.rs:6:21: 6:31 ++ // + literal: Const { ty: isize, val: Value(Scalar(0x00000001)) } ++ switchInt(const 1isize) -> [1isize: bb2, otherwise: bb1]; // bb0[5]: scope 0 at $DIR/discriminant.rs:6:21: 6:31 ++ // ty::Const ++ // + ty: isize ++ // + val: Value(Scalar(0x00000001)) ++ // mir::Constant ++ // + span: $DIR/discriminant.rs:6:21: 6:31 ++ // + literal: Const { ty: isize, val: Value(Scalar(0x00000001)) } + } + + bb1: { + _2 = const 10i32; // bb1[0]: scope 0 at $DIR/discriminant.rs:6:59: 6:61 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000000a)) + // mir::Constant + // + span: $DIR/discriminant.rs:6:59: 6:61 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000000a)) } + goto -> bb4; // bb1[1]: scope 0 at $DIR/discriminant.rs:6:13: 6:64 + } + + bb2: { +- switchInt(((_3 as Some).0: bool)) -> [false: bb1, otherwise: bb3]; // bb2[0]: scope 0 at $DIR/discriminant.rs:6:26: 6:30 ++ switchInt(const true) -> [false: bb1, otherwise: bb3]; // bb2[0]: scope 0 at $DIR/discriminant.rs:6:26: 6:30 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/discriminant.rs:6:26: 6:30 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb3: { + _2 = const 42i32; // bb3[0]: scope 0 at $DIR/discriminant.rs:6:47: 6:49 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/discriminant.rs:6:47: 6:49 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000002a)) } + goto -> bb4; // bb3[1]: scope 0 at $DIR/discriminant.rs:6:13: 6:64 + } + + bb4: { + _1 = Add(move _2, const 0i32); // bb4[0]: scope 0 at $DIR/discriminant.rs:6:13: 6:68 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/discriminant.rs:6:67: 6:68 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + StorageDead(_2); // bb4[1]: scope 0 at $DIR/discriminant.rs:6:67: 6:68 + StorageDead(_3); // bb4[2]: scope 0 at $DIR/discriminant.rs:6:68: 6:69 + _0 = (); // bb4[3]: scope 0 at $DIR/discriminant.rs:5:11: 7:2 + StorageDead(_1); // bb4[4]: scope 0 at $DIR/discriminant.rs:7:1: 7:2 + return; // bb4[5]: scope 0 at $DIR/discriminant.rs:7:2: 7:2 + } + } + diff --git a/src/test/mir-opt/const_prop/discriminant/64bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/discriminant/64bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..60d18cdc9421f --- /dev/null +++ b/src/test/mir-opt/const_prop/discriminant/64bit/rustc.main.ConstProp.diff @@ -0,0 +1,95 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/discriminant.rs:5:11: 5:11 + let _1: i32; // in scope 0 at $DIR/discriminant.rs:6:9: 6:10 + let mut _2: i32; // in scope 0 at $DIR/discriminant.rs:6:13: 6:64 + let mut _3: std::option::Option; // in scope 0 at $DIR/discriminant.rs:6:34: 6:44 + let mut _4: isize; // in scope 0 at $DIR/discriminant.rs:6:21: 6:31 + scope 1 { + debug x => _1; // in scope 1 at $DIR/discriminant.rs:6:9: 6:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/discriminant.rs:6:9: 6:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/discriminant.rs:6:13: 6:64 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/discriminant.rs:6:34: 6:44 +- _3 = std::option::Option::::Some(const true,); // bb0[3]: scope 0 at $DIR/discriminant.rs:6:34: 6:44 ++ _3 = const {transmute(0x01): std::option::Option}; // bb0[3]: scope 0 at $DIR/discriminant.rs:6:34: 6:44 + // ty::Const +- // + ty: bool ++ // + ty: std::option::Option + // + val: Value(Scalar(0x01)) + // mir::Constant +- // + span: $DIR/discriminant.rs:6:39: 6:43 +- // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } +- _4 = discriminant(_3); // bb0[4]: scope 0 at $DIR/discriminant.rs:6:21: 6:31 +- switchInt(move _4) -> [1isize: bb2, otherwise: bb1]; // bb0[5]: scope 0 at $DIR/discriminant.rs:6:21: 6:31 ++ // + span: $DIR/discriminant.rs:6:34: 6:44 ++ // + literal: Const { ty: std::option::Option, val: Value(Scalar(0x01)) } ++ _4 = const 1isize; // bb0[4]: scope 0 at $DIR/discriminant.rs:6:21: 6:31 ++ // ty::Const ++ // + ty: isize ++ // + val: Value(Scalar(0x0000000000000001)) ++ // mir::Constant ++ // + span: $DIR/discriminant.rs:6:21: 6:31 ++ // + literal: Const { ty: isize, val: Value(Scalar(0x0000000000000001)) } ++ switchInt(const 1isize) -> [1isize: bb2, otherwise: bb1]; // bb0[5]: scope 0 at $DIR/discriminant.rs:6:21: 6:31 ++ // ty::Const ++ // + ty: isize ++ // + val: Value(Scalar(0x0000000000000001)) ++ // mir::Constant ++ // + span: $DIR/discriminant.rs:6:21: 6:31 ++ // + literal: Const { ty: isize, val: Value(Scalar(0x0000000000000001)) } + } + + bb1: { + _2 = const 10i32; // bb1[0]: scope 0 at $DIR/discriminant.rs:6:59: 6:61 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000000a)) + // mir::Constant + // + span: $DIR/discriminant.rs:6:59: 6:61 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000000a)) } + goto -> bb4; // bb1[1]: scope 0 at $DIR/discriminant.rs:6:13: 6:64 + } + + bb2: { +- switchInt(((_3 as Some).0: bool)) -> [false: bb1, otherwise: bb3]; // bb2[0]: scope 0 at $DIR/discriminant.rs:6:26: 6:30 ++ switchInt(const true) -> [false: bb1, otherwise: bb3]; // bb2[0]: scope 0 at $DIR/discriminant.rs:6:26: 6:30 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/discriminant.rs:6:26: 6:30 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb3: { + _2 = const 42i32; // bb3[0]: scope 0 at $DIR/discriminant.rs:6:47: 6:49 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/discriminant.rs:6:47: 6:49 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000002a)) } + goto -> bb4; // bb3[1]: scope 0 at $DIR/discriminant.rs:6:13: 6:64 + } + + bb4: { + _1 = Add(move _2, const 0i32); // bb4[0]: scope 0 at $DIR/discriminant.rs:6:13: 6:68 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/discriminant.rs:6:67: 6:68 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + StorageDead(_2); // bb4[1]: scope 0 at $DIR/discriminant.rs:6:67: 6:68 + StorageDead(_3); // bb4[2]: scope 0 at $DIR/discriminant.rs:6:68: 6:69 + _0 = (); // bb4[3]: scope 0 at $DIR/discriminant.rs:5:11: 7:2 + StorageDead(_1); // bb4[4]: scope 0 at $DIR/discriminant.rs:7:1: 7:2 + return; // bb4[5]: scope 0 at $DIR/discriminant.rs:7:2: 7:2 + } + } + diff --git a/src/test/mir-opt/const_prop/indirect.rs b/src/test/mir-opt/const_prop/indirect.rs index b4ee18ed1b53b..961e4447d8b6b 100644 --- a/src/test/mir-opt/const_prop/indirect.rs +++ b/src/test/mir-opt/const_prop/indirect.rs @@ -1,23 +1,6 @@ // compile-flags: -C overflow-checks=on +// EMIT_MIR rustc.main.ConstProp.diff fn main() { let x = (2u32 as u8) + 1; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _2 = const 2u32 as u8 (Misc); -// _3 = CheckedAdd(move _2, const 1u8); -// assert(!move (_3.1: bool), "attempt to add with overflow") -> bb1; -//} -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _2 = const 2u8; -// _3 = (const 3u8, const false); -// assert(!const false, "attempt to add with overflow") -> bb1; -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/indirect/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/indirect/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..ca3e3bb5d2de0 --- /dev/null +++ b/src/test/mir-opt/const_prop/indirect/rustc.main.ConstProp.diff @@ -0,0 +1,70 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/indirect.rs:4:11: 4:11 + let _1: u8; // in scope 0 at $DIR/indirect.rs:5:9: 5:10 + let mut _2: u8; // in scope 0 at $DIR/indirect.rs:5:13: 5:25 + let mut _3: (u8, bool); // in scope 0 at $DIR/indirect.rs:5:13: 5:29 + scope 1 { + debug x => _1; // in scope 1 at $DIR/indirect.rs:5:9: 5:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/indirect.rs:5:9: 5:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/indirect.rs:5:13: 5:25 +- _2 = const 2u32 as u8 (Misc); // bb0[2]: scope 0 at $DIR/indirect.rs:5:13: 5:25 ++ _2 = const 2u8; // bb0[2]: scope 0 at $DIR/indirect.rs:5:13: 5:25 + // ty::Const +- // + ty: u32 +- // + val: Value(Scalar(0x00000002)) ++ // + ty: u8 ++ // + val: Value(Scalar(0x02)) + // mir::Constant +- // + span: $DIR/indirect.rs:5:14: 5:18 +- // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } +- _3 = CheckedAdd(move _2, const 1u8); // bb0[3]: scope 0 at $DIR/indirect.rs:5:13: 5:29 ++ // + span: $DIR/indirect.rs:5:13: 5:25 ++ // + literal: Const { ty: u8, val: Value(Scalar(0x02)) } ++ _3 = (const 3u8, const false); // bb0[3]: scope 0 at $DIR/indirect.rs:5:13: 5:29 + // ty::Const + // + ty: u8 +- // + val: Value(Scalar(0x01)) ++ // + val: Value(Scalar(0x03)) + // mir::Constant +- // + span: $DIR/indirect.rs:5:28: 5:29 +- // + literal: Const { ty: u8, val: Value(Scalar(0x01)) } +- assert(!move (_3.1: bool), "attempt to add with overflow") -> bb1; // bb0[4]: scope 0 at $DIR/indirect.rs:5:13: 5:29 ++ // + span: $DIR/indirect.rs:5:13: 5:29 ++ // + literal: Const { ty: u8, val: Value(Scalar(0x03)) } ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) ++ // mir::Constant ++ // + span: $DIR/indirect.rs:5:13: 5:29 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } ++ assert(!const false, "attempt to add with overflow") -> bb1; // bb0[4]: scope 0 at $DIR/indirect.rs:5:13: 5:29 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) ++ // mir::Constant ++ // + span: $DIR/indirect.rs:5:13: 5:29 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + } + + bb1: { +- _1 = move (_3.0: u8); // bb1[0]: scope 0 at $DIR/indirect.rs:5:13: 5:29 ++ _1 = const 3u8; // bb1[0]: scope 0 at $DIR/indirect.rs:5:13: 5:29 ++ // ty::Const ++ // + ty: u8 ++ // + val: Value(Scalar(0x03)) ++ // mir::Constant ++ // + span: $DIR/indirect.rs:5:13: 5:29 ++ // + literal: Const { ty: u8, val: Value(Scalar(0x03)) } + StorageDead(_2); // bb1[1]: scope 0 at $DIR/indirect.rs:5:28: 5:29 + _0 = (); // bb1[2]: scope 0 at $DIR/indirect.rs:4:11: 6:2 + StorageDead(_1); // bb1[3]: scope 0 at $DIR/indirect.rs:6:1: 6:2 + return; // bb1[4]: scope 0 at $DIR/indirect.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/issue-66971.rs b/src/test/mir-opt/const_prop/issue-66971.rs index f332bb895095b..50a1405b77b4c 100644 --- a/src/test/mir-opt/const_prop/issue-66971.rs +++ b/src/test/mir-opt/const_prop/issue-66971.rs @@ -11,28 +11,7 @@ fn encode(this: ((), u8, u8)) { assert!(this.2 == 0); } +// EMIT_MIR rustc.main.ConstProp.diff fn main() { encode(((), 0, 0)); } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _3 = (); -// _2 = (move _3, const 0u8, const 0u8); -// ... -// _1 = const encode(move _2) -> bb1; -// ... -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _3 = const (); -// _2 = (move _3, const 0u8, const 0u8); -// ... -// _1 = const encode(move _2) -> bb1; -// ... -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/issue-66971/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/issue-66971/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..d3ebaa0a6329f --- /dev/null +++ b/src/test/mir-opt/const_prop/issue-66971/rustc.main.ConstProp.diff @@ -0,0 +1,52 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue-66971.rs:15:11: 15:11 + let _1: (); // in scope 0 at $DIR/issue-66971.rs:16:5: 16:23 + let mut _2: ((), u8, u8); // in scope 0 at $DIR/issue-66971.rs:16:12: 16:22 + let mut _3: (); // in scope 0 at $DIR/issue-66971.rs:16:13: 16:15 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/issue-66971.rs:16:5: 16:23 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/issue-66971.rs:16:12: 16:22 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/issue-66971.rs:16:13: 16:15 +- _3 = (); // bb0[3]: scope 0 at $DIR/issue-66971.rs:16:13: 16:15 ++ _3 = const (); // bb0[3]: scope 0 at $DIR/issue-66971.rs:16:13: 16:15 ++ // ty::Const ++ // + ty: () ++ // + val: Value(Scalar()) ++ // mir::Constant ++ // + span: $DIR/issue-66971.rs:16:13: 16:15 ++ // + literal: Const { ty: (), val: Value(Scalar()) } + _2 = (move _3, const 0u8, const 0u8); // bb0[4]: scope 0 at $DIR/issue-66971.rs:16:12: 16:22 + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-66971.rs:16:17: 16:18 + // + literal: Const { ty: u8, val: Value(Scalar(0x00)) } + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-66971.rs:16:20: 16:21 + // + literal: Const { ty: u8, val: Value(Scalar(0x00)) } + StorageDead(_3); // bb0[5]: scope 0 at $DIR/issue-66971.rs:16:21: 16:22 + _1 = const encode(move _2) -> bb1; // bb0[6]: scope 0 at $DIR/issue-66971.rs:16:5: 16:23 + // ty::Const + // + ty: fn(((), u8, u8)) {encode} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-66971.rs:16:5: 16:11 + // + literal: Const { ty: fn(((), u8, u8)) {encode}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_2); // bb1[0]: scope 0 at $DIR/issue-66971.rs:16:22: 16:23 + StorageDead(_1); // bb1[1]: scope 0 at $DIR/issue-66971.rs:16:23: 16:24 + _0 = (); // bb1[2]: scope 0 at $DIR/issue-66971.rs:15:11: 17:2 + return; // bb1[3]: scope 0 at $DIR/issue-66971.rs:17:2: 17:2 + } + } + diff --git a/src/test/mir-opt/const_prop/issue-67019.rs b/src/test/mir-opt/const_prop/issue-67019.rs index c6d753a1209cd..3c832eb134402 100644 --- a/src/test/mir-opt/const_prop/issue-67019.rs +++ b/src/test/mir-opt/const_prop/issue-67019.rs @@ -6,29 +6,7 @@ fn test(this: ((u8, u8),)) { assert!((this.0).0 == 1); } +// EMIT_MIR rustc.main.ConstProp.diff fn main() { test(((1, 2),)); } - -// Important bit is parameter passing so we only check that below -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _3 = (const 1u8, const 2u8); -// _2 = (move _3,); -// ... -// _1 = const test(move _2) -> bb1; -// ... -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _3 = (const 1u8, const 2u8); -// _2 = (move _3,); -// ... -// _1 = const test(move _2) -> bb1; -// ... -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/issue-67019/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/issue-67019/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..96a20edd91aaa --- /dev/null +++ b/src/test/mir-opt/const_prop/issue-67019/rustc.main.ConstProp.diff @@ -0,0 +1,47 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue-67019.rs:10:11: 10:11 + let _1: (); // in scope 0 at $DIR/issue-67019.rs:11:5: 11:20 + let mut _2: ((u8, u8),); // in scope 0 at $DIR/issue-67019.rs:11:10: 11:19 + let mut _3: (u8, u8); // in scope 0 at $DIR/issue-67019.rs:11:11: 11:17 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/issue-67019.rs:11:5: 11:20 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/issue-67019.rs:11:10: 11:19 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/issue-67019.rs:11:11: 11:17 + _3 = (const 1u8, const 2u8); // bb0[3]: scope 0 at $DIR/issue-67019.rs:11:11: 11:17 + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x01)) + // mir::Constant +- // + span: $DIR/issue-67019.rs:11:12: 11:13 ++ // + span: $DIR/issue-67019.rs:11:11: 11:17 + // + literal: Const { ty: u8, val: Value(Scalar(0x01)) } + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x02)) + // mir::Constant +- // + span: $DIR/issue-67019.rs:11:15: 11:16 ++ // + span: $DIR/issue-67019.rs:11:11: 11:17 + // + literal: Const { ty: u8, val: Value(Scalar(0x02)) } + _2 = (move _3,); // bb0[4]: scope 0 at $DIR/issue-67019.rs:11:10: 11:19 + StorageDead(_3); // bb0[5]: scope 0 at $DIR/issue-67019.rs:11:18: 11:19 + _1 = const test(move _2) -> bb1; // bb0[6]: scope 0 at $DIR/issue-67019.rs:11:5: 11:20 + // ty::Const + // + ty: fn(((u8, u8),)) {test} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-67019.rs:11:5: 11:9 + // + literal: Const { ty: fn(((u8, u8),)) {test}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_2); // bb1[0]: scope 0 at $DIR/issue-67019.rs:11:19: 11:20 + StorageDead(_1); // bb1[1]: scope 0 at $DIR/issue-67019.rs:11:20: 11:21 + _0 = (); // bb1[2]: scope 0 at $DIR/issue-67019.rs:10:11: 12:2 + return; // bb1[3]: scope 0 at $DIR/issue-67019.rs:12:2: 12:2 + } + } + diff --git a/src/test/mir-opt/const_prop/optimizes_into_variable.rs b/src/test/mir-opt/const_prop/optimizes_into_variable.rs index 93a53db909360..0ae172e777b9b 100644 --- a/src/test/mir-opt/const_prop/optimizes_into_variable.rs +++ b/src/test/mir-opt/const_prop/optimizes_into_variable.rs @@ -5,145 +5,11 @@ struct Point { y: u32, } +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.main.ConstProp.diff +// EMIT_MIR rustc.main.SimplifyLocals.after.mir fn main() { let x = 2 + 2; let y = [0, 1, 2, 3, 4, 5][3]; let z = (Point { x: 12, y: 42}).y; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// let mut _0: (); -// let _1: i32; -// let mut _2: (i32, bool); -// let mut _4: [i32; 6]; -// let _5: usize; -// let mut _6: usize; -// let mut _7: bool; -// let mut _9: Point; -// scope 1 { -// debug x => _1; -// let _3: i32; -// scope 2 { -// debug y => _3; -// let _8: u32; -// scope 3 { -// debug z => _8; -// } -// } -// } -// bb0: { -// StorageLive(_1); -// _2 = CheckedAdd(const 2i32, const 2i32); -// assert(!move (_2.1: bool), "attempt to add with overflow") -> bb1; -// } -// bb1: { -// _1 = move (_2.0: i32); -// StorageLive(_3); -// StorageLive(_4); -// _4 = [const 0i32, const 1i32, const 2i32, const 3i32, const 4i32, const 5i32]; -// StorageLive(_5); -// _5 = const 3usize; -// _6 = const 6usize; -// _7 = Lt(_5, _6); -// assert(move _7, "index out of bounds: the len is move _6 but the index is _5") -> bb2; -// } -// bb2: { -// _3 = _4[_5]; -// StorageDead(_5); -// StorageDead(_4); -// StorageLive(_8); -// StorageLive(_9); -// _9 = Point { x: const 12u32, y: const 42u32 }; -// _8 = (_9.1: u32); -// StorageDead(_9); -// _0 = (); -// StorageDead(_8); -// StorageDead(_3); -// StorageDead(_1); -// return; -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// let mut _0: (); -// let _1: i32; -// let mut _2: (i32, bool); -// let mut _4: [i32; 6]; -// let _5: usize; -// let mut _6: usize; -// let mut _7: bool; -// let mut _9: Point; -// scope 1 { -// debug x => _1; -// let _3: i32; -// scope 2 { -// debug y => _3; -// let _8: u32; -// scope 3 { -// debug z => _8; -// } -// } -// } -// bb0: { -// StorageLive(_1); -// _2 = (const 4i32, const false); -// assert(!const false, "attempt to add with overflow") -> bb1; -// } -// bb1: { -// _1 = const 4i32; -// StorageLive(_3); -// StorageLive(_4); -// _4 = [const 0i32, const 1i32, const 2i32, const 3i32, const 4i32, const 5i32]; -// StorageLive(_5); -// _5 = const 3usize; -// _6 = const 6usize; -// _7 = const true; -// assert(const true, "index out of bounds: the len is move _6 but the index is _5") -> bb2; -// } -// bb2: { -// _3 = const 3i32; -// StorageDead(_5); -// StorageDead(_4); -// StorageLive(_8); -// StorageLive(_9); -// _9 = Point { x: const 12u32, y: const 42u32 }; -// _8 = const 42u32; -// StorageDead(_9); -// _0 = (); -// StorageDead(_8); -// StorageDead(_3); -// StorageDead(_1); -// return; -// } -// END rustc.main.ConstProp.after.mir -// START rustc.main.SimplifyLocals.after.mir -// let mut _0: (); -// let _1: i32; -// let mut _3: [i32; 6]; -// scope 1 { -// debug x => _1; -// let _2: i32; -// scope 2 { -// debug y => _2; -// let _4: u32; -// scope 3 { -// debug z => _4; -// } -// } -// } -// bb0: { -// StorageLive(_1); -// _1 = const 4i32; -// StorageLive(_2); -// StorageLive(_3); -// _3 = [const 0i32, const 1i32, const 2i32, const 3i32, const 4i32, const 5i32]; -// _2 = const 3i32; -// StorageDead(_3); -// StorageLive(_4); -// _4 = const 42u32; -// StorageDead(_4); -// StorageDead(_2); -// StorageDead(_1); -// return; -// } -// END rustc.main.SimplifyLocals.after.mir diff --git a/src/test/mir-opt/const_prop/optimizes_into_variable/32bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/optimizes_into_variable/32bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..d8bd397d74a65 --- /dev/null +++ b/src/test/mir-opt/const_prop/optimizes_into_variable/32bit/rustc.main.ConstProp.diff @@ -0,0 +1,181 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/optimizes_into_variable.rs:11:11: 11:11 + let _1: i32; // in scope 0 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + let mut _2: (i32, bool); // in scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 + let mut _4: [i32; 6]; // in scope 0 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + let _5: usize; // in scope 0 at $DIR/optimizes_into_variable.rs:13:32: 13:33 + let mut _6: usize; // in scope 0 at $DIR/optimizes_into_variable.rs:13:13: 13:34 + let mut _7: bool; // in scope 0 at $DIR/optimizes_into_variable.rs:13:13: 13:34 + let mut _9: Point; // in scope 0 at $DIR/optimizes_into_variable.rs:14:13: 14:36 + scope 1 { + debug x => _1; // in scope 1 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + let _3: i32; // in scope 1 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + scope 2 { + debug y => _3; // in scope 2 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + let _8: u32; // in scope 2 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + scope 3 { + debug z => _8; // in scope 3 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/optimizes_into_variable.rs:12:9: 12:10 +- _2 = CheckedAdd(const 2i32, const 2i32); // bb0[1]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ _2 = (const 4i32, const false); // bb0[1]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 + // ty::Const + // + ty: i32 +- // + val: Value(Scalar(0x00000002)) ++ // + val: Value(Scalar(0x00000004)) + // mir::Constant +- // + span: $DIR/optimizes_into_variable.rs:12:13: 12:14 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } ++ // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + // ty::Const +- // + ty: i32 +- // + val: Value(Scalar(0x00000002)) ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) + // mir::Constant +- // + span: $DIR/optimizes_into_variable.rs:12:17: 12:18 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } +- assert(!move (_2.1: bool), "attempt to add with overflow") -> bb1; // bb0[2]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } ++ assert(!const false, "attempt to add with overflow") -> bb1; // bb0[2]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + } + + bb1: { +- _1 = move (_2.0: i32); // bb1[0]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ _1 = const 4i32; // bb1[0]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // ty::Const ++ // + ty: i32 ++ // + val: Value(Scalar(0x00000004)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + StorageLive(_3); // bb1[1]: scope 1 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + StorageLive(_4); // bb1[2]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + _4 = [const 0i32, const 1i32, const 2i32, const 3i32, const 4i32, const 5i32]; // bb1[3]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:14: 13:15 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:17: 13:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:20: 13:21 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:23: 13:24 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:26: 13:27 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000005)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:29: 13:30 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000005)) } + StorageLive(_5); // bb1[4]: scope 1 at $DIR/optimizes_into_variable.rs:13:32: 13:33 + _5 = const 3usize; // bb1[5]: scope 1 at $DIR/optimizes_into_variable.rs:13:32: 13:33 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:32: 13:33 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000003)) } + _6 = const 6usize; // bb1[6]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000006)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000006)) } +- _7 = Lt(_5, _6); // bb1[7]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 +- assert(move _7, "index out of bounds: the len is move _6 but the index is _5") -> bb2; // bb1[8]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ _7 = const true; // bb1[7]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } ++ assert(const true, "index out of bounds: the len is move _6 but the index is _5") -> bb2; // bb1[8]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb2: { +- _3 = _4[_5]; // bb2[0]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ _3 = const 3i32; // bb2[0]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // ty::Const ++ // + ty: i32 ++ // + val: Value(Scalar(0x00000003)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + StorageDead(_5); // bb2[1]: scope 1 at $DIR/optimizes_into_variable.rs:13:34: 13:35 + StorageDead(_4); // bb2[2]: scope 1 at $DIR/optimizes_into_variable.rs:13:34: 13:35 + StorageLive(_8); // bb2[3]: scope 2 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + StorageLive(_9); // bb2[4]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:36 + _9 = Point { x: const 12u32, y: const 42u32 }; // bb2[5]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:36 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000000c)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:14:25: 14:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000000c)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:14:32: 14:34 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } +- _8 = (_9.1: u32); // bb2[6]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:38 ++ _8 = const 42u32; // bb2[6]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:38 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x0000002a)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:14:13: 14:38 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + StorageDead(_9); // bb2[7]: scope 2 at $DIR/optimizes_into_variable.rs:14:38: 14:39 + _0 = (); // bb2[8]: scope 0 at $DIR/optimizes_into_variable.rs:11:11: 15:2 + StorageDead(_8); // bb2[9]: scope 2 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + StorageDead(_3); // bb2[10]: scope 1 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + StorageDead(_1); // bb2[11]: scope 0 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + return; // bb2[12]: scope 0 at $DIR/optimizes_into_variable.rs:15:2: 15:2 + } + } + diff --git a/src/test/mir-opt/const_prop/optimizes_into_variable/32bit/rustc.main.SimplifyLocals.after.mir b/src/test/mir-opt/const_prop/optimizes_into_variable/32bit/rustc.main.SimplifyLocals.after.mir new file mode 100644 index 0000000000000..db4d2d137927c --- /dev/null +++ b/src/test/mir-opt/const_prop/optimizes_into_variable/32bit/rustc.main.SimplifyLocals.after.mir @@ -0,0 +1,88 @@ +// MIR for `main` after SimplifyLocals + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/optimizes_into_variable.rs:11:11: 11:11 + let _1: i32; // in scope 0 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + let mut _3: [i32; 6]; // in scope 0 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + scope 1 { + debug x => _1; // in scope 1 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + let _2: i32; // in scope 1 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + scope 2 { + debug y => _2; // in scope 2 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + let _4: u32; // in scope 2 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + scope 3 { + debug z => _4; // in scope 3 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + _1 = const 4i32; // bb0[1]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + StorageLive(_2); // bb0[2]: scope 1 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + StorageLive(_3); // bb0[3]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + _3 = [const 0i32, const 1i32, const 2i32, const 3i32, const 4i32, const 5i32]; // bb0[4]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:14: 13:15 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:17: 13:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:20: 13:21 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:23: 13:24 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:26: 13:27 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000005)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:29: 13:30 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000005)) } + _2 = const 3i32; // bb0[5]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + StorageDead(_3); // bb0[6]: scope 1 at $DIR/optimizes_into_variable.rs:13:34: 13:35 + StorageLive(_4); // bb0[7]: scope 2 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + _4 = const 42u32; // bb0[8]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:38 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:14:13: 14:38 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + StorageDead(_4); // bb0[9]: scope 2 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + StorageDead(_2); // bb0[10]: scope 1 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + StorageDead(_1); // bb0[11]: scope 0 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + return; // bb0[12]: scope 0 at $DIR/optimizes_into_variable.rs:15:2: 15:2 + } +} diff --git a/src/test/mir-opt/const_prop/optimizes_into_variable/64bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/optimizes_into_variable/64bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..9e646e7336d80 --- /dev/null +++ b/src/test/mir-opt/const_prop/optimizes_into_variable/64bit/rustc.main.ConstProp.diff @@ -0,0 +1,181 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/optimizes_into_variable.rs:11:11: 11:11 + let _1: i32; // in scope 0 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + let mut _2: (i32, bool); // in scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 + let mut _4: [i32; 6]; // in scope 0 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + let _5: usize; // in scope 0 at $DIR/optimizes_into_variable.rs:13:32: 13:33 + let mut _6: usize; // in scope 0 at $DIR/optimizes_into_variable.rs:13:13: 13:34 + let mut _7: bool; // in scope 0 at $DIR/optimizes_into_variable.rs:13:13: 13:34 + let mut _9: Point; // in scope 0 at $DIR/optimizes_into_variable.rs:14:13: 14:36 + scope 1 { + debug x => _1; // in scope 1 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + let _3: i32; // in scope 1 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + scope 2 { + debug y => _3; // in scope 2 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + let _8: u32; // in scope 2 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + scope 3 { + debug z => _8; // in scope 3 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/optimizes_into_variable.rs:12:9: 12:10 +- _2 = CheckedAdd(const 2i32, const 2i32); // bb0[1]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ _2 = (const 4i32, const false); // bb0[1]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 + // ty::Const + // + ty: i32 +- // + val: Value(Scalar(0x00000002)) ++ // + val: Value(Scalar(0x00000004)) + // mir::Constant +- // + span: $DIR/optimizes_into_variable.rs:12:13: 12:14 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } ++ // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + // ty::Const +- // + ty: i32 +- // + val: Value(Scalar(0x00000002)) ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) + // mir::Constant +- // + span: $DIR/optimizes_into_variable.rs:12:17: 12:18 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } +- assert(!move (_2.1: bool), "attempt to add with overflow") -> bb1; // bb0[2]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } ++ assert(!const false, "attempt to add with overflow") -> bb1; // bb0[2]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + } + + bb1: { +- _1 = move (_2.0: i32); // bb1[0]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ _1 = const 4i32; // bb1[0]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // ty::Const ++ // + ty: i32 ++ // + val: Value(Scalar(0x00000004)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + StorageLive(_3); // bb1[1]: scope 1 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + StorageLive(_4); // bb1[2]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + _4 = [const 0i32, const 1i32, const 2i32, const 3i32, const 4i32, const 5i32]; // bb1[3]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:14: 13:15 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:17: 13:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:20: 13:21 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:23: 13:24 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:26: 13:27 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000005)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:29: 13:30 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000005)) } + StorageLive(_5); // bb1[4]: scope 1 at $DIR/optimizes_into_variable.rs:13:32: 13:33 + _5 = const 3usize; // bb1[5]: scope 1 at $DIR/optimizes_into_variable.rs:13:32: 13:33 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000003)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:32: 13:33 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000003)) } + _6 = const 6usize; // bb1[6]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000006)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000006)) } +- _7 = Lt(_5, _6); // bb1[7]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 +- assert(move _7, "index out of bounds: the len is move _6 but the index is _5") -> bb2; // bb1[8]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ _7 = const true; // bb1[7]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } ++ assert(const true, "index out of bounds: the len is move _6 but the index is _5") -> bb2; // bb1[8]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb2: { +- _3 = _4[_5]; // bb2[0]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ _3 = const 3i32; // bb2[0]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // ty::Const ++ // + ty: i32 ++ // + val: Value(Scalar(0x00000003)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + StorageDead(_5); // bb2[1]: scope 1 at $DIR/optimizes_into_variable.rs:13:34: 13:35 + StorageDead(_4); // bb2[2]: scope 1 at $DIR/optimizes_into_variable.rs:13:34: 13:35 + StorageLive(_8); // bb2[3]: scope 2 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + StorageLive(_9); // bb2[4]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:36 + _9 = Point { x: const 12u32, y: const 42u32 }; // bb2[5]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:36 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000000c)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:14:25: 14:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000000c)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:14:32: 14:34 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } +- _8 = (_9.1: u32); // bb2[6]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:38 ++ _8 = const 42u32; // bb2[6]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:38 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x0000002a)) ++ // mir::Constant ++ // + span: $DIR/optimizes_into_variable.rs:14:13: 14:38 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + StorageDead(_9); // bb2[7]: scope 2 at $DIR/optimizes_into_variable.rs:14:38: 14:39 + _0 = (); // bb2[8]: scope 0 at $DIR/optimizes_into_variable.rs:11:11: 15:2 + StorageDead(_8); // bb2[9]: scope 2 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + StorageDead(_3); // bb2[10]: scope 1 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + StorageDead(_1); // bb2[11]: scope 0 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + return; // bb2[12]: scope 0 at $DIR/optimizes_into_variable.rs:15:2: 15:2 + } + } + diff --git a/src/test/mir-opt/const_prop/optimizes_into_variable/64bit/rustc.main.SimplifyLocals.after.mir b/src/test/mir-opt/const_prop/optimizes_into_variable/64bit/rustc.main.SimplifyLocals.after.mir new file mode 100644 index 0000000000000..db4d2d137927c --- /dev/null +++ b/src/test/mir-opt/const_prop/optimizes_into_variable/64bit/rustc.main.SimplifyLocals.after.mir @@ -0,0 +1,88 @@ +// MIR for `main` after SimplifyLocals + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/optimizes_into_variable.rs:11:11: 11:11 + let _1: i32; // in scope 0 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + let mut _3: [i32; 6]; // in scope 0 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + scope 1 { + debug x => _1; // in scope 1 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + let _2: i32; // in scope 1 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + scope 2 { + debug y => _2; // in scope 2 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + let _4: u32; // in scope 2 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + scope 3 { + debug z => _4; // in scope 3 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/optimizes_into_variable.rs:12:9: 12:10 + _1 = const 4i32; // bb0[1]: scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:18 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:12:13: 12:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + StorageLive(_2); // bb0[2]: scope 1 at $DIR/optimizes_into_variable.rs:13:9: 13:10 + StorageLive(_3); // bb0[3]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + _3 = [const 0i32, const 1i32, const 2i32, const 3i32, const 4i32, const 5i32]; // bb0[4]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:31 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:14: 13:15 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:17: 13:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:20: 13:21 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:23: 13:24 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:26: 13:27 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000005)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:29: 13:30 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000005)) } + _2 = const 3i32; // bb0[5]: scope 1 at $DIR/optimizes_into_variable.rs:13:13: 13:34 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:13: 13:34 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + StorageDead(_3); // bb0[6]: scope 1 at $DIR/optimizes_into_variable.rs:13:34: 13:35 + StorageLive(_4); // bb0[7]: scope 2 at $DIR/optimizes_into_variable.rs:14:9: 14:10 + _4 = const 42u32; // bb0[8]: scope 2 at $DIR/optimizes_into_variable.rs:14:13: 14:38 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:14:13: 14:38 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + StorageDead(_4); // bb0[9]: scope 2 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + StorageDead(_2); // bb0[10]: scope 1 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + StorageDead(_1); // bb0[11]: scope 0 at $DIR/optimizes_into_variable.rs:15:1: 15:2 + return; // bb0[12]: scope 0 at $DIR/optimizes_into_variable.rs:15:2: 15:2 + } +} diff --git a/src/test/mir-opt/const_prop/read_immutable_static.rs b/src/test/mir-opt/const_prop/read_immutable_static.rs index d307cebd71539..9635f7050a687 100644 --- a/src/test/mir-opt/const_prop/read_immutable_static.rs +++ b/src/test/mir-opt/const_prop/read_immutable_static.rs @@ -2,30 +2,7 @@ static FOO: u8 = 2; +// EMIT_MIR rustc.main.ConstProp.diff fn main() { let x = FOO + FOO; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _3 = const {alloc0+0: &u8}; -// _2 = (*_3); -// ... -// _5 = const {alloc0+0: &u8}; -// _4 = (*_5); -// _1 = Add(move _2, move _4); -// ... -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _2 = const 2u8; -// ... -// _4 = const 2u8; -// _1 = const 4u8; -// ... -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/read_immutable_static/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/read_immutable_static/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..6183b22a95fce --- /dev/null +++ b/src/test/mir-opt/const_prop/read_immutable_static/rustc.main.ConstProp.diff @@ -0,0 +1,72 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/read_immutable_static.rs:6:11: 6:11 + let _1: u8; // in scope 0 at $DIR/read_immutable_static.rs:7:9: 7:10 + let mut _2: u8; // in scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 + let mut _3: &u8; // in scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 + let mut _4: u8; // in scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 + let mut _5: &u8; // in scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 + scope 1 { + debug x => _1; // in scope 1 at $DIR/read_immutable_static.rs:7:9: 7:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/read_immutable_static.rs:7:9: 7:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 + _3 = const {alloc0+0: &u8}; // bb0[3]: scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 + // ty::Const + // + ty: &u8 + // + val: Value(Scalar(alloc0+0)) + // mir::Constant + // + span: $DIR/read_immutable_static.rs:7:13: 7:16 + // + literal: Const { ty: &u8, val: Value(Scalar(alloc0+0)) } +- _2 = (*_3); // bb0[4]: scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 ++ _2 = const 2u8; // bb0[4]: scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 ++ // ty::Const ++ // + ty: u8 ++ // + val: Value(Scalar(0x02)) ++ // mir::Constant ++ // + span: $DIR/read_immutable_static.rs:7:13: 7:16 ++ // + literal: Const { ty: u8, val: Value(Scalar(0x02)) } + StorageLive(_4); // bb0[5]: scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 + StorageLive(_5); // bb0[6]: scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 + _5 = const {alloc0+0: &u8}; // bb0[7]: scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 + // ty::Const + // + ty: &u8 + // + val: Value(Scalar(alloc0+0)) + // mir::Constant + // + span: $DIR/read_immutable_static.rs:7:19: 7:22 + // + literal: Const { ty: &u8, val: Value(Scalar(alloc0+0)) } +- _4 = (*_5); // bb0[8]: scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 +- _1 = Add(move _2, move _4); // bb0[9]: scope 0 at $DIR/read_immutable_static.rs:7:13: 7:22 ++ _4 = const 2u8; // bb0[8]: scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 ++ // ty::Const ++ // + ty: u8 ++ // + val: Value(Scalar(0x02)) ++ // mir::Constant ++ // + span: $DIR/read_immutable_static.rs:7:19: 7:22 ++ // + literal: Const { ty: u8, val: Value(Scalar(0x02)) } ++ _1 = const 4u8; // bb0[9]: scope 0 at $DIR/read_immutable_static.rs:7:13: 7:22 ++ // ty::Const ++ // + ty: u8 ++ // + val: Value(Scalar(0x04)) ++ // mir::Constant ++ // + span: $DIR/read_immutable_static.rs:7:13: 7:22 ++ // + literal: Const { ty: u8, val: Value(Scalar(0x04)) } + StorageDead(_4); // bb0[10]: scope 0 at $DIR/read_immutable_static.rs:7:21: 7:22 + StorageDead(_2); // bb0[11]: scope 0 at $DIR/read_immutable_static.rs:7:21: 7:22 + StorageDead(_5); // bb0[12]: scope 0 at $DIR/read_immutable_static.rs:7:22: 7:23 + StorageDead(_3); // bb0[13]: scope 0 at $DIR/read_immutable_static.rs:7:22: 7:23 + _0 = (); // bb0[14]: scope 0 at $DIR/read_immutable_static.rs:6:11: 8:2 + StorageDead(_1); // bb0[15]: scope 0 at $DIR/read_immutable_static.rs:8:1: 8:2 + return; // bb0[16]: scope 0 at $DIR/read_immutable_static.rs:8:2: 8:2 + } + } + + alloc0 (static: FOO, size: 1, align: 1) { + 02 │ . + } + diff --git a/src/test/mir-opt/const_prop/ref_deref.rs b/src/test/mir-opt/const_prop/ref_deref.rs index 8b48296a5d911..fc33e0e1f3b18 100644 --- a/src/test/mir-opt/const_prop/ref_deref.rs +++ b/src/test/mir-opt/const_prop/ref_deref.rs @@ -1,41 +1,6 @@ +// EMIT_MIR rustc.main.PromoteTemps.diff +// EMIT_MIR rustc.main.ConstProp.diff + fn main() { *(&4); } - -// END RUST SOURCE -// START rustc.main.PromoteTemps.before.mir -// bb0: { -// ... -// _3 = const 4i32; -// _2 = &_3; -// _1 = (*_2); -// ... -//} -// END rustc.main.PromoteTemps.before.mir -// START rustc.main.PromoteTemps.after.mir -// bb0: { -// ... -// _4 = const main::promoted[0]; -// _2 = &(*_4); -// _1 = (*_2); -// ... -//} -// END rustc.main.PromoteTemps.after.mir -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _4 = const main::promoted[0]; -// _2 = _4; -// _1 = (*_2); -// ... -//} -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _4 = const main::promoted[0]; -// _2 = _4; -// _1 = const 4i32; -// ... -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/ref_deref/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/ref_deref/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..0f8563daba5d0 --- /dev/null +++ b/src/test/mir-opt/const_prop/ref_deref/rustc.main.ConstProp.diff @@ -0,0 +1,36 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/ref_deref.rs:4:11: 4:11 + let _1: i32; // in scope 0 at $DIR/ref_deref.rs:5:5: 5:10 + let mut _2: &i32; // in scope 0 at $DIR/ref_deref.rs:5:6: 5:10 + let _3: i32; // in scope 0 at $DIR/ref_deref.rs:5:8: 5:9 + let mut _4: &i32; // in scope 0 at $DIR/ref_deref.rs:5:6: 5:10 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/ref_deref.rs:5:5: 5:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/ref_deref.rs:5:6: 5:10 + _4 = const main::promoted[0]; // bb0[2]: scope 0 at $DIR/ref_deref.rs:5:6: 5:10 + // ty::Const + // + ty: &i32 + // + val: Unevaluated(DefId(0:3 ~ ref_deref[317d]::main[0]), [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/ref_deref.rs:5:6: 5:10 + // + literal: Const { ty: &i32, val: Unevaluated(DefId(0:3 ~ ref_deref[317d]::main[0]), [], Some(promoted[0])) } + _2 = _4; // bb0[3]: scope 0 at $DIR/ref_deref.rs:5:6: 5:10 +- _1 = (*_2); // bb0[4]: scope 0 at $DIR/ref_deref.rs:5:5: 5:10 ++ _1 = const 4i32; // bb0[4]: scope 0 at $DIR/ref_deref.rs:5:5: 5:10 ++ // ty::Const ++ // + ty: i32 ++ // + val: Value(Scalar(0x00000004)) ++ // mir::Constant ++ // + span: $DIR/ref_deref.rs:5:5: 5:10 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + StorageDead(_2); // bb0[5]: scope 0 at $DIR/ref_deref.rs:5:10: 5:11 + StorageDead(_1); // bb0[6]: scope 0 at $DIR/ref_deref.rs:5:10: 5:11 + _0 = (); // bb0[7]: scope 0 at $DIR/ref_deref.rs:4:11: 6:2 + return; // bb0[8]: scope 0 at $DIR/ref_deref.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/ref_deref/rustc.main.PromoteTemps.diff b/src/test/mir-opt/const_prop/ref_deref/rustc.main.PromoteTemps.diff new file mode 100644 index 0000000000000..ea1baa40f7ef8 --- /dev/null +++ b/src/test/mir-opt/const_prop/ref_deref/rustc.main.PromoteTemps.diff @@ -0,0 +1,42 @@ +- // MIR for `main` before PromoteTemps ++ // MIR for `main` after PromoteTemps + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/ref_deref.rs:4:11: 4:11 + let _1: i32; // in scope 0 at $DIR/ref_deref.rs:5:5: 5:10 + let mut _2: &i32; // in scope 0 at $DIR/ref_deref.rs:5:6: 5:10 + let _3: i32; // in scope 0 at $DIR/ref_deref.rs:5:8: 5:9 ++ let mut _4: &i32; // in scope 0 at $DIR/ref_deref.rs:5:6: 5:10 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/ref_deref.rs:5:5: 5:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/ref_deref.rs:5:6: 5:10 +- StorageLive(_3); // bb0[2]: scope 0 at $DIR/ref_deref.rs:5:8: 5:9 +- _3 = const 4i32; // bb0[3]: scope 0 at $DIR/ref_deref.rs:5:8: 5:9 ++ _4 = const main::promoted[0]; // bb0[2]: scope 0 at $DIR/ref_deref.rs:5:6: 5:10 + // ty::Const +- // + ty: i32 +- // + val: Value(Scalar(0x00000004)) ++ // + ty: &i32 ++ // + val: Unevaluated(DefId(0:3 ~ ref_deref[317d]::main[0]), [], Some(promoted[0])) + // mir::Constant +- // + span: $DIR/ref_deref.rs:5:8: 5:9 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } +- _2 = &_3; // bb0[4]: scope 0 at $DIR/ref_deref.rs:5:6: 5:10 +- _1 = (*_2); // bb0[5]: scope 0 at $DIR/ref_deref.rs:5:5: 5:10 +- StorageDead(_3); // bb0[6]: scope 0 at $DIR/ref_deref.rs:5:10: 5:11 +- StorageDead(_2); // bb0[7]: scope 0 at $DIR/ref_deref.rs:5:10: 5:11 +- StorageDead(_1); // bb0[8]: scope 0 at $DIR/ref_deref.rs:5:10: 5:11 +- _0 = (); // bb0[9]: scope 0 at $DIR/ref_deref.rs:4:11: 6:2 +- return; // bb0[10]: scope 0 at $DIR/ref_deref.rs:6:2: 6:2 ++ // + span: $DIR/ref_deref.rs:5:6: 5:10 ++ // + literal: Const { ty: &i32, val: Unevaluated(DefId(0:3 ~ ref_deref[317d]::main[0]), [], Some(promoted[0])) } ++ _2 = &(*_4); // bb0[3]: scope 0 at $DIR/ref_deref.rs:5:6: 5:10 ++ _1 = (*_2); // bb0[4]: scope 0 at $DIR/ref_deref.rs:5:5: 5:10 ++ StorageDead(_2); // bb0[5]: scope 0 at $DIR/ref_deref.rs:5:10: 5:11 ++ StorageDead(_1); // bb0[6]: scope 0 at $DIR/ref_deref.rs:5:10: 5:11 ++ _0 = (); // bb0[7]: scope 0 at $DIR/ref_deref.rs:4:11: 6:2 ++ return; // bb0[8]: scope 0 at $DIR/ref_deref.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/ref_deref_project.rs b/src/test/mir-opt/const_prop/ref_deref_project.rs index ca539fb7462a5..0322e30064317 100644 --- a/src/test/mir-opt/const_prop/ref_deref_project.rs +++ b/src/test/mir-opt/const_prop/ref_deref_project.rs @@ -1,41 +1,6 @@ +// EMIT_MIR rustc.main.PromoteTemps.diff +// EMIT_MIR rustc.main.ConstProp.diff + fn main() { *(&(4, 5).1); // This does not currently propagate (#67862) } - -// END RUST SOURCE -// START rustc.main.PromoteTemps.before.mir -// bb0: { -// ... -// _3 = (const 4i32, const 5i32); -// _2 = &(_3.1: i32); -// _1 = (*_2); -// ... -//} -// END rustc.main.PromoteTemps.before.mir -// START rustc.main.PromoteTemps.after.mir -// bb0: { -// ... -// _4 = const main::promoted[0]; -// _2 = &((*_4).1: i32); -// _1 = (*_2); -// ... -//} -// END rustc.main.PromoteTemps.after.mir -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _4 = const main::promoted[0]; -// _2 = &((*_4).1: i32); -// _1 = (*_2); -// ... -//} -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _4 = const main::promoted[0]; -// _2 = &((*_4).1: i32); -// _1 = (*_2); -// ... -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/ref_deref_project/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/ref_deref_project/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..c4b3d6b6c27ec --- /dev/null +++ b/src/test/mir-opt/const_prop/ref_deref_project/rustc.main.ConstProp.diff @@ -0,0 +1,29 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/ref_deref_project.rs:4:11: 4:11 + let _1: i32; // in scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17 + let mut _2: &i32; // in scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 + let _3: (i32, i32); // in scope 0 at $DIR/ref_deref_project.rs:5:8: 5:14 + let mut _4: &(i32, i32); // in scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 + _4 = const main::promoted[0]; // bb0[2]: scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 + // ty::Const + // + ty: &(i32, i32) + // + val: Unevaluated(DefId(0:3 ~ ref_deref_project[317d]::main[0]), [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/ref_deref_project.rs:5:6: 5:17 + // + literal: Const { ty: &(i32, i32), val: Unevaluated(DefId(0:3 ~ ref_deref_project[317d]::main[0]), [], Some(promoted[0])) } + _2 = &((*_4).1: i32); // bb0[3]: scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 + _1 = (*_2); // bb0[4]: scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17 + StorageDead(_2); // bb0[5]: scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18 + StorageDead(_1); // bb0[6]: scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18 + _0 = (); // bb0[7]: scope 0 at $DIR/ref_deref_project.rs:4:11: 6:2 + return; // bb0[8]: scope 0 at $DIR/ref_deref_project.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/ref_deref_project/rustc.main.PromoteTemps.diff b/src/test/mir-opt/const_prop/ref_deref_project/rustc.main.PromoteTemps.diff new file mode 100644 index 0000000000000..852436e13b618 --- /dev/null +++ b/src/test/mir-opt/const_prop/ref_deref_project/rustc.main.PromoteTemps.diff @@ -0,0 +1,48 @@ +- // MIR for `main` before PromoteTemps ++ // MIR for `main` after PromoteTemps + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/ref_deref_project.rs:4:11: 4:11 + let _1: i32; // in scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17 + let mut _2: &i32; // in scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 + let _3: (i32, i32); // in scope 0 at $DIR/ref_deref_project.rs:5:8: 5:14 ++ let mut _4: &(i32, i32); // in scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 +- StorageLive(_3); // bb0[2]: scope 0 at $DIR/ref_deref_project.rs:5:8: 5:14 +- _3 = (const 4i32, const 5i32); // bb0[3]: scope 0 at $DIR/ref_deref_project.rs:5:8: 5:14 ++ _4 = const main::promoted[0]; // bb0[2]: scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 + // ty::Const +- // + ty: i32 +- // + val: Value(Scalar(0x00000004)) ++ // + ty: &(i32, i32) ++ // + val: Unevaluated(DefId(0:3 ~ ref_deref_project[317d]::main[0]), [], Some(promoted[0])) + // mir::Constant +- // + span: $DIR/ref_deref_project.rs:5:9: 5:10 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } +- // ty::Const +- // + ty: i32 +- // + val: Value(Scalar(0x00000005)) +- // mir::Constant +- // + span: $DIR/ref_deref_project.rs:5:12: 5:13 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000005)) } +- _2 = &(_3.1: i32); // bb0[4]: scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 +- _1 = (*_2); // bb0[5]: scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17 +- StorageDead(_3); // bb0[6]: scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18 +- StorageDead(_2); // bb0[7]: scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18 +- StorageDead(_1); // bb0[8]: scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18 +- _0 = (); // bb0[9]: scope 0 at $DIR/ref_deref_project.rs:4:11: 6:2 +- return; // bb0[10]: scope 0 at $DIR/ref_deref_project.rs:6:2: 6:2 ++ // + span: $DIR/ref_deref_project.rs:5:6: 5:17 ++ // + literal: Const { ty: &(i32, i32), val: Unevaluated(DefId(0:3 ~ ref_deref_project[317d]::main[0]), [], Some(promoted[0])) } ++ _2 = &((*_4).1: i32); // bb0[3]: scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 ++ _1 = (*_2); // bb0[4]: scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17 ++ StorageDead(_2); // bb0[5]: scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18 ++ StorageDead(_1); // bb0[6]: scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18 ++ _0 = (); // bb0[7]: scope 0 at $DIR/ref_deref_project.rs:4:11: 6:2 ++ return; // bb0[8]: scope 0 at $DIR/ref_deref_project.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/reify_fn_ptr.rs b/src/test/mir-opt/const_prop/reify_fn_ptr.rs index 4d6fe905b0c35..834eb0cb1e943 100644 --- a/src/test/mir-opt/const_prop/reify_fn_ptr.rs +++ b/src/test/mir-opt/const_prop/reify_fn_ptr.rs @@ -1,25 +1,5 @@ +// EMIT_MIR rustc.main.ConstProp.diff + fn main() { let _ = main as usize as *const fn(); } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _3 = const main as fn() (Pointer(ReifyFnPointer)); -// _2 = move _3 as usize (Misc); -// ... -// _1 = move _2 as *const fn() (Misc); -// ... -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _3 = const main as fn() (Pointer(ReifyFnPointer)); -// _2 = move _3 as usize (Misc); -// ... -// _1 = move _2 as *const fn() (Misc); -// ... -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/reify_fn_ptr/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/reify_fn_ptr/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..7a41a8ad74ed4 --- /dev/null +++ b/src/test/mir-opt/const_prop/reify_fn_ptr/rustc.main.ConstProp.diff @@ -0,0 +1,32 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/reify_fn_ptr.rs:3:11: 3:11 + let mut _1: *const fn(); // in scope 0 at $DIR/reify_fn_ptr.rs:4:13: 4:41 + let mut _2: usize; // in scope 0 at $DIR/reify_fn_ptr.rs:4:13: 4:26 + let mut _3: fn(); // in scope 0 at $DIR/reify_fn_ptr.rs:4:13: 4:17 + scope 1 { + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/reify_fn_ptr.rs:4:13: 4:41 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/reify_fn_ptr.rs:4:13: 4:26 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/reify_fn_ptr.rs:4:13: 4:17 + _3 = const main as fn() (Pointer(ReifyFnPointer)); // bb0[3]: scope 0 at $DIR/reify_fn_ptr.rs:4:13: 4:17 + // ty::Const + // + ty: fn() {main} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/reify_fn_ptr.rs:4:13: 4:17 + // + literal: Const { ty: fn() {main}, val: Value(Scalar()) } + _2 = move _3 as usize (Misc); // bb0[4]: scope 0 at $DIR/reify_fn_ptr.rs:4:13: 4:26 + StorageDead(_3); // bb0[5]: scope 0 at $DIR/reify_fn_ptr.rs:4:25: 4:26 + _1 = move _2 as *const fn() (Misc); // bb0[6]: scope 0 at $DIR/reify_fn_ptr.rs:4:13: 4:41 + StorageDead(_2); // bb0[7]: scope 0 at $DIR/reify_fn_ptr.rs:4:40: 4:41 + StorageDead(_1); // bb0[8]: scope 0 at $DIR/reify_fn_ptr.rs:4:41: 4:42 + _0 = (); // bb0[9]: scope 0 at $DIR/reify_fn_ptr.rs:3:11: 5:2 + return; // bb0[10]: scope 0 at $DIR/reify_fn_ptr.rs:5:2: 5:2 + } + } + diff --git a/src/test/mir-opt/const_prop/repeat.rs b/src/test/mir-opt/const_prop/repeat.rs index 48c06290cec00..cdbfc46d6ca0e 100644 --- a/src/test/mir-opt/const_prop/repeat.rs +++ b/src/test/mir-opt/const_prop/repeat.rs @@ -1,37 +1,7 @@ // compile-flags: -O +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.main.ConstProp.diff fn main() { let x: u32 = [42; 8][2] + 0; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _3 = [const 42u32; 8]; -// ... -// _4 = const 2usize; -// _5 = const 8usize; -// _6 = Lt(_4, _5); -// assert(move _6, "index out of bounds: the len is move _5 but the index is _4") -> bb1; -// } -// bb1: { -// _2 = _3[_4]; -// _1 = Add(move _2, const 0u32); -// ... -// return; -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _6 = const true; -// assert(const true, "index out of bounds: the len is move _5 but the index is _4") -> bb1; -// } -// bb1: { -// _2 = const 42u32; -// _1 = const 42u32; -// ... -// return; -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/repeat/32bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/repeat/32bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..dce98d88e3d92 --- /dev/null +++ b/src/test/mir-opt/const_prop/repeat/32bit/rustc.main.ConstProp.diff @@ -0,0 +1,88 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/repeat.rs:5:11: 5:11 + let _1: u32 as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 0 at $DIR/repeat.rs:6:9: 6:10 + let mut _2: u32; // in scope 0 at $DIR/repeat.rs:6:18: 6:28 + let mut _3: [u32; 8]; // in scope 0 at $DIR/repeat.rs:6:18: 6:25 + let _4: usize; // in scope 0 at $DIR/repeat.rs:6:26: 6:27 + let mut _5: usize; // in scope 0 at $DIR/repeat.rs:6:18: 6:28 + let mut _6: bool; // in scope 0 at $DIR/repeat.rs:6:18: 6:28 + scope 1 { + debug x => _1; // in scope 1 at $DIR/repeat.rs:6:9: 6:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/repeat.rs:6:9: 6:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/repeat.rs:6:18: 6:28 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/repeat.rs:6:18: 6:25 + _3 = [const 42u32; 8]; // bb0[3]: scope 0 at $DIR/repeat.rs:6:18: 6:25 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/repeat.rs:6:19: 6:21 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + StorageLive(_4); // bb0[4]: scope 0 at $DIR/repeat.rs:6:26: 6:27 + _4 = const 2usize; // bb0[5]: scope 0 at $DIR/repeat.rs:6:26: 6:27 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/repeat.rs:6:26: 6:27 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000002)) } + _5 = const 8usize; // bb0[6]: scope 0 at $DIR/repeat.rs:6:18: 6:28 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000008)) + // mir::Constant + // + span: $DIR/repeat.rs:6:18: 6:28 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000008)) } +- _6 = Lt(_4, _5); // bb0[7]: scope 0 at $DIR/repeat.rs:6:18: 6:28 +- assert(move _6, "index out of bounds: the len is move _5 but the index is _4") -> bb1; // bb0[8]: scope 0 at $DIR/repeat.rs:6:18: 6:28 ++ _6 = const true; // bb0[7]: scope 0 at $DIR/repeat.rs:6:18: 6:28 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/repeat.rs:6:18: 6:28 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } ++ assert(const true, "index out of bounds: the len is move _5 but the index is _4") -> bb1; // bb0[8]: scope 0 at $DIR/repeat.rs:6:18: 6:28 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/repeat.rs:6:18: 6:28 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb1: { +- _2 = _3[_4]; // bb1[0]: scope 0 at $DIR/repeat.rs:6:18: 6:28 +- _1 = Add(move _2, const 0u32); // bb1[1]: scope 0 at $DIR/repeat.rs:6:18: 6:32 ++ _2 = const 42u32; // bb1[0]: scope 0 at $DIR/repeat.rs:6:18: 6:28 + // ty::Const + // + ty: u32 +- // + val: Value(Scalar(0x00000000)) ++ // + val: Value(Scalar(0x0000002a)) + // mir::Constant +- // + span: $DIR/repeat.rs:6:31: 6:32 +- // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } ++ // + span: $DIR/repeat.rs:6:18: 6:28 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } ++ _1 = const 42u32; // bb1[1]: scope 0 at $DIR/repeat.rs:6:18: 6:32 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x0000002a)) ++ // mir::Constant ++ // + span: $DIR/repeat.rs:6:18: 6:32 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + StorageDead(_2); // bb1[2]: scope 0 at $DIR/repeat.rs:6:31: 6:32 + StorageDead(_4); // bb1[3]: scope 0 at $DIR/repeat.rs:6:32: 6:33 + StorageDead(_3); // bb1[4]: scope 0 at $DIR/repeat.rs:6:32: 6:33 + _0 = (); // bb1[5]: scope 0 at $DIR/repeat.rs:5:11: 7:2 + StorageDead(_1); // bb1[6]: scope 0 at $DIR/repeat.rs:7:1: 7:2 + return; // bb1[7]: scope 0 at $DIR/repeat.rs:7:2: 7:2 + } + } + diff --git a/src/test/mir-opt/const_prop/repeat/64bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/repeat/64bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..c9e640291f2f5 --- /dev/null +++ b/src/test/mir-opt/const_prop/repeat/64bit/rustc.main.ConstProp.diff @@ -0,0 +1,88 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/repeat.rs:5:11: 5:11 + let _1: u32 as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 0 at $DIR/repeat.rs:6:9: 6:10 + let mut _2: u32; // in scope 0 at $DIR/repeat.rs:6:18: 6:28 + let mut _3: [u32; 8]; // in scope 0 at $DIR/repeat.rs:6:18: 6:25 + let _4: usize; // in scope 0 at $DIR/repeat.rs:6:26: 6:27 + let mut _5: usize; // in scope 0 at $DIR/repeat.rs:6:18: 6:28 + let mut _6: bool; // in scope 0 at $DIR/repeat.rs:6:18: 6:28 + scope 1 { + debug x => _1; // in scope 1 at $DIR/repeat.rs:6:9: 6:10 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/repeat.rs:6:9: 6:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/repeat.rs:6:18: 6:28 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/repeat.rs:6:18: 6:25 + _3 = [const 42u32; 8]; // bb0[3]: scope 0 at $DIR/repeat.rs:6:18: 6:25 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/repeat.rs:6:19: 6:21 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + StorageLive(_4); // bb0[4]: scope 0 at $DIR/repeat.rs:6:26: 6:27 + _4 = const 2usize; // bb0[5]: scope 0 at $DIR/repeat.rs:6:26: 6:27 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000002)) + // mir::Constant + // + span: $DIR/repeat.rs:6:26: 6:27 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000002)) } + _5 = const 8usize; // bb0[6]: scope 0 at $DIR/repeat.rs:6:18: 6:28 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000008)) + // mir::Constant + // + span: $DIR/repeat.rs:6:18: 6:28 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000008)) } +- _6 = Lt(_4, _5); // bb0[7]: scope 0 at $DIR/repeat.rs:6:18: 6:28 +- assert(move _6, "index out of bounds: the len is move _5 but the index is _4") -> bb1; // bb0[8]: scope 0 at $DIR/repeat.rs:6:18: 6:28 ++ _6 = const true; // bb0[7]: scope 0 at $DIR/repeat.rs:6:18: 6:28 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/repeat.rs:6:18: 6:28 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } ++ assert(const true, "index out of bounds: the len is move _5 but the index is _4") -> bb1; // bb0[8]: scope 0 at $DIR/repeat.rs:6:18: 6:28 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/repeat.rs:6:18: 6:28 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb1: { +- _2 = _3[_4]; // bb1[0]: scope 0 at $DIR/repeat.rs:6:18: 6:28 +- _1 = Add(move _2, const 0u32); // bb1[1]: scope 0 at $DIR/repeat.rs:6:18: 6:32 ++ _2 = const 42u32; // bb1[0]: scope 0 at $DIR/repeat.rs:6:18: 6:28 + // ty::Const + // + ty: u32 +- // + val: Value(Scalar(0x00000000)) ++ // + val: Value(Scalar(0x0000002a)) + // mir::Constant +- // + span: $DIR/repeat.rs:6:31: 6:32 +- // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } ++ // + span: $DIR/repeat.rs:6:18: 6:28 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } ++ _1 = const 42u32; // bb1[1]: scope 0 at $DIR/repeat.rs:6:18: 6:32 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x0000002a)) ++ // mir::Constant ++ // + span: $DIR/repeat.rs:6:18: 6:32 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } + StorageDead(_2); // bb1[2]: scope 0 at $DIR/repeat.rs:6:31: 6:32 + StorageDead(_4); // bb1[3]: scope 0 at $DIR/repeat.rs:6:32: 6:33 + StorageDead(_3); // bb1[4]: scope 0 at $DIR/repeat.rs:6:32: 6:33 + _0 = (); // bb1[5]: scope 0 at $DIR/repeat.rs:5:11: 7:2 + StorageDead(_1); // bb1[6]: scope 0 at $DIR/repeat.rs:7:1: 7:2 + return; // bb1[7]: scope 0 at $DIR/repeat.rs:7:2: 7:2 + } + } + diff --git a/src/test/mir-opt/const_prop/return_place.rs b/src/test/mir-opt/const_prop/return_place.rs index ea7c1e7ccd0cb..8d5b63b9afd88 100644 --- a/src/test/mir-opt/const_prop/return_place.rs +++ b/src/test/mir-opt/const_prop/return_place.rs @@ -1,5 +1,7 @@ // compile-flags: -C overflow-checks=on +// EMIT_MIR rustc.add.ConstProp.diff +// EMIT_MIR rustc.add.PreCodegen.before.mir fn add() -> u32 { 2 + 2 } @@ -7,42 +9,3 @@ fn add() -> u32 { fn main() { add(); } - -// END RUST SOURCE -// START rustc.add.ConstProp.before.mir -// fn add() -> u32 { -// let mut _0: u32; -// let mut _1: (u32, bool); -// bb0: { -// _1 = CheckedAdd(const 2u32, const 2u32); -// assert(!move (_1.1: bool), "attempt to add with overflow") -> bb1; -// } -// bb1: { -// _0 = move (_1.0: u32); -// return; -// } -// } -// END rustc.add.ConstProp.before.mir -// START rustc.add.ConstProp.after.mir -// fn add() -> u32 { -// let mut _0: u32; -// let mut _1: (u32, bool); -// bb0: { -// _1 = (const 4u32, const false); -// assert(!const false, "attempt to add with overflow") -> bb1; -// } -// bb1: { -// _0 = const 4u32; -// return; -// } -// } -// END rustc.add.ConstProp.after.mir -// START rustc.add.PreCodegen.before.mir -// fn add() -> u32 { -// let mut _0: u32; -// bb0: { -// _0 = const 4u32; -// return; -// } -// } -// END rustc.add.PreCodegen.before.mir diff --git a/src/test/mir-opt/const_prop/return_place/rustc.add.ConstProp.diff b/src/test/mir-opt/const_prop/return_place/rustc.add.ConstProp.diff new file mode 100644 index 0000000000000..3453c424a368b --- /dev/null +++ b/src/test/mir-opt/const_prop/return_place/rustc.add.ConstProp.diff @@ -0,0 +1,52 @@ +- // MIR for `add` before ConstProp ++ // MIR for `add` after ConstProp + + fn add() -> u32 { + let mut _0: u32; // return place in scope 0 at $DIR/return_place.rs:5:13: 5:16 + let mut _1: (u32, bool); // in scope 0 at $DIR/return_place.rs:6:5: 6:10 + + bb0: { +- _1 = CheckedAdd(const 2u32, const 2u32); // bb0[0]: scope 0 at $DIR/return_place.rs:6:5: 6:10 ++ _1 = (const 4u32, const false); // bb0[0]: scope 0 at $DIR/return_place.rs:6:5: 6:10 + // ty::Const + // + ty: u32 +- // + val: Value(Scalar(0x00000002)) ++ // + val: Value(Scalar(0x00000004)) + // mir::Constant +- // + span: $DIR/return_place.rs:6:5: 6:6 +- // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } ++ // + span: $DIR/return_place.rs:6:5: 6:10 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x00000004)) } + // ty::Const +- // + ty: u32 +- // + val: Value(Scalar(0x00000002)) ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) + // mir::Constant +- // + span: $DIR/return_place.rs:6:9: 6:10 +- // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } +- assert(!move (_1.1: bool), "attempt to add with overflow") -> bb1; // bb0[1]: scope 0 at $DIR/return_place.rs:6:5: 6:10 ++ // + span: $DIR/return_place.rs:6:5: 6:10 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } ++ assert(!const false, "attempt to add with overflow") -> bb1; // bb0[1]: scope 0 at $DIR/return_place.rs:6:5: 6:10 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x00)) ++ // mir::Constant ++ // + span: $DIR/return_place.rs:6:5: 6:10 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + } + + bb1: { +- _0 = move (_1.0: u32); // bb1[0]: scope 0 at $DIR/return_place.rs:6:5: 6:10 ++ _0 = const 4u32; // bb1[0]: scope 0 at $DIR/return_place.rs:6:5: 6:10 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x00000004)) ++ // mir::Constant ++ // + span: $DIR/return_place.rs:6:5: 6:10 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x00000004)) } + return; // bb1[1]: scope 0 at $DIR/return_place.rs:7:2: 7:2 + } + } + diff --git a/src/test/mir-opt/const_prop/return_place/rustc.add.PreCodegen.before.mir b/src/test/mir-opt/const_prop/return_place/rustc.add.PreCodegen.before.mir new file mode 100644 index 0000000000000..9af6be771ed2b --- /dev/null +++ b/src/test/mir-opt/const_prop/return_place/rustc.add.PreCodegen.before.mir @@ -0,0 +1,16 @@ +// MIR for `add` before PreCodegen + +fn add() -> u32 { + let mut _0: u32; // return place in scope 0 at $DIR/return_place.rs:5:13: 5:16 + + bb0: { + _0 = const 4u32; // bb0[0]: scope 0 at $DIR/return_place.rs:6:5: 6:10 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/return_place.rs:6:5: 6:10 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000004)) } + return; // bb0[1]: scope 0 at $DIR/return_place.rs:7:2: 7:2 + } +} diff --git a/src/test/mir-opt/const_prop/slice_len.rs b/src/test/mir-opt/const_prop/slice_len.rs index 43813e43d3681..0312f5e8e3a3a 100644 --- a/src/test/mir-opt/const_prop/slice_len.rs +++ b/src/test/mir-opt/const_prop/slice_len.rs @@ -1,43 +1,6 @@ +// EMIT_MIR_FOR_EACH_BIT_WIDTH + +// EMIT_MIR rustc.main.ConstProp.diff fn main() { (&[1u32, 2, 3] as &[u32])[1]; } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _9 = const main::promoted[0]; -// _4 = _9; -// _3 = _4; -// _2 = move _3 as &[u32] (Pointer(Unsize)); -// ... -// _6 = const 1usize; -// _7 = Len((*_2)); -// _8 = Lt(_6, _7); -// assert(move _8, "index out of bounds: the len is move _7 but the index is _6") -> bb1; -// } -// bb1: { -// _1 = (*_2)[_6]; -// ... -// return; -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// _9 = const main::promoted[0]; -// _4 = _9; -// _3 = _4; -// _2 = move _3 as &[u32] (Pointer(Unsize)); -// ... -// _6 = const 1usize; -// _7 = const 3usize; -// _8 = const true; -// assert(const true, "index out of bounds: the len is move _7 but the index is _6") -> bb1; -// } -// bb1: { -// _1 = const 2u32; -// ... -// return; -// } -// END rustc.main.ConstProp.after.mir diff --git a/src/test/mir-opt/const_prop/slice_len/32bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/slice_len/32bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..5f821078b75fd --- /dev/null +++ b/src/test/mir-opt/const_prop/slice_len/32bit/rustc.main.ConstProp.diff @@ -0,0 +1,83 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/slice_len.rs:4:11: 4:11 + let _1: u32; // in scope 0 at $DIR/slice_len.rs:5:5: 5:33 + let mut _2: &[u32]; // in scope 0 at $DIR/slice_len.rs:5:5: 5:30 + let mut _3: &[u32; 3]; // in scope 0 at $DIR/slice_len.rs:5:6: 5:19 + let _4: &[u32; 3]; // in scope 0 at $DIR/slice_len.rs:5:6: 5:19 + let _5: [u32; 3]; // in scope 0 at $DIR/slice_len.rs:5:7: 5:19 + let _6: usize; // in scope 0 at $DIR/slice_len.rs:5:31: 5:32 + let mut _7: usize; // in scope 0 at $DIR/slice_len.rs:5:5: 5:33 + let mut _8: bool; // in scope 0 at $DIR/slice_len.rs:5:5: 5:33 + let mut _9: &[u32; 3]; // in scope 0 at $DIR/slice_len.rs:5:6: 5:19 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/slice_len.rs:5:5: 5:30 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + StorageLive(_4); // bb0[3]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + _9 = const main::promoted[0]; // bb0[4]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + // ty::Const + // + ty: &[u32; 3] + // + val: Unevaluated(DefId(0:3 ~ slice_len[317d]::main[0]), [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/slice_len.rs:5:6: 5:19 + // + literal: Const { ty: &[u32; 3], val: Unevaluated(DefId(0:3 ~ slice_len[317d]::main[0]), [], Some(promoted[0])) } + _4 = _9; // bb0[5]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + _3 = _4; // bb0[6]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + _2 = move _3 as &[u32] (Pointer(Unsize)); // bb0[7]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + StorageDead(_3); // bb0[8]: scope 0 at $DIR/slice_len.rs:5:18: 5:19 + StorageLive(_6); // bb0[9]: scope 0 at $DIR/slice_len.rs:5:31: 5:32 + _6 = const 1usize; // bb0[10]: scope 0 at $DIR/slice_len.rs:5:31: 5:32 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/slice_len.rs:5:31: 5:32 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } +- _7 = Len((*_2)); // bb0[11]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 +- _8 = Lt(_6, _7); // bb0[12]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 +- assert(move _8, "index out of bounds: the len is move _7 but the index is _6") -> bb1; // bb0[13]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ _7 = const 3usize; // bb0[11]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ // ty::Const ++ // + ty: usize ++ // + val: Value(Scalar(0x00000003)) ++ // mir::Constant ++ // + span: $DIR/slice_len.rs:5:5: 5:33 ++ // + literal: Const { ty: usize, val: Value(Scalar(0x00000003)) } ++ _8 = const true; // bb0[12]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/slice_len.rs:5:5: 5:33 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } ++ assert(const true, "index out of bounds: the len is move _7 but the index is _6") -> bb1; // bb0[13]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/slice_len.rs:5:5: 5:33 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb1: { +- _1 = (*_2)[_6]; // bb1[0]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ _1 = const 2u32; // bb1[0]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x00000002)) ++ // mir::Constant ++ // + span: $DIR/slice_len.rs:5:5: 5:33 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageDead(_6); // bb1[1]: scope 0 at $DIR/slice_len.rs:5:33: 5:34 + StorageDead(_4); // bb1[2]: scope 0 at $DIR/slice_len.rs:5:33: 5:34 + StorageDead(_2); // bb1[3]: scope 0 at $DIR/slice_len.rs:5:33: 5:34 + StorageDead(_1); // bb1[4]: scope 0 at $DIR/slice_len.rs:5:33: 5:34 + _0 = (); // bb1[5]: scope 0 at $DIR/slice_len.rs:4:11: 6:2 + return; // bb1[6]: scope 0 at $DIR/slice_len.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/slice_len/64bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/slice_len/64bit/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..46f98b7f0aef8 --- /dev/null +++ b/src/test/mir-opt/const_prop/slice_len/64bit/rustc.main.ConstProp.diff @@ -0,0 +1,83 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/slice_len.rs:4:11: 4:11 + let _1: u32; // in scope 0 at $DIR/slice_len.rs:5:5: 5:33 + let mut _2: &[u32]; // in scope 0 at $DIR/slice_len.rs:5:5: 5:30 + let mut _3: &[u32; 3]; // in scope 0 at $DIR/slice_len.rs:5:6: 5:19 + let _4: &[u32; 3]; // in scope 0 at $DIR/slice_len.rs:5:6: 5:19 + let _5: [u32; 3]; // in scope 0 at $DIR/slice_len.rs:5:7: 5:19 + let _6: usize; // in scope 0 at $DIR/slice_len.rs:5:31: 5:32 + let mut _7: usize; // in scope 0 at $DIR/slice_len.rs:5:5: 5:33 + let mut _8: bool; // in scope 0 at $DIR/slice_len.rs:5:5: 5:33 + let mut _9: &[u32; 3]; // in scope 0 at $DIR/slice_len.rs:5:6: 5:19 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/slice_len.rs:5:5: 5:30 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + StorageLive(_4); // bb0[3]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + _9 = const main::promoted[0]; // bb0[4]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + // ty::Const + // + ty: &[u32; 3] + // + val: Unevaluated(DefId(0:3 ~ slice_len[317d]::main[0]), [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/slice_len.rs:5:6: 5:19 + // + literal: Const { ty: &[u32; 3], val: Unevaluated(DefId(0:3 ~ slice_len[317d]::main[0]), [], Some(promoted[0])) } + _4 = _9; // bb0[5]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + _3 = _4; // bb0[6]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + _2 = move _3 as &[u32] (Pointer(Unsize)); // bb0[7]: scope 0 at $DIR/slice_len.rs:5:6: 5:19 + StorageDead(_3); // bb0[8]: scope 0 at $DIR/slice_len.rs:5:18: 5:19 + StorageLive(_6); // bb0[9]: scope 0 at $DIR/slice_len.rs:5:31: 5:32 + _6 = const 1usize; // bb0[10]: scope 0 at $DIR/slice_len.rs:5:31: 5:32 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $DIR/slice_len.rs:5:31: 5:32 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } +- _7 = Len((*_2)); // bb0[11]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 +- _8 = Lt(_6, _7); // bb0[12]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 +- assert(move _8, "index out of bounds: the len is move _7 but the index is _6") -> bb1; // bb0[13]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ _7 = const 3usize; // bb0[11]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ // ty::Const ++ // + ty: usize ++ // + val: Value(Scalar(0x0000000000000003)) ++ // mir::Constant ++ // + span: $DIR/slice_len.rs:5:5: 5:33 ++ // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000003)) } ++ _8 = const true; // bb0[12]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/slice_len.rs:5:5: 5:33 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } ++ assert(const true, "index out of bounds: the len is move _7 but the index is _6") -> bb1; // bb0[13]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ // ty::Const ++ // + ty: bool ++ // + val: Value(Scalar(0x01)) ++ // mir::Constant ++ // + span: $DIR/slice_len.rs:5:5: 5:33 ++ // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + } + + bb1: { +- _1 = (*_2)[_6]; // bb1[0]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ _1 = const 2u32; // bb1[0]: scope 0 at $DIR/slice_len.rs:5:5: 5:33 ++ // ty::Const ++ // + ty: u32 ++ // + val: Value(Scalar(0x00000002)) ++ // mir::Constant ++ // + span: $DIR/slice_len.rs:5:5: 5:33 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageDead(_6); // bb1[1]: scope 0 at $DIR/slice_len.rs:5:33: 5:34 + StorageDead(_4); // bb1[2]: scope 0 at $DIR/slice_len.rs:5:33: 5:34 + StorageDead(_2); // bb1[3]: scope 0 at $DIR/slice_len.rs:5:33: 5:34 + StorageDead(_1); // bb1[4]: scope 0 at $DIR/slice_len.rs:5:33: 5:34 + _0 = (); // bb1[5]: scope 0 at $DIR/slice_len.rs:4:11: 6:2 + return; // bb1[6]: scope 0 at $DIR/slice_len.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/const_prop/switch_int.rs b/src/test/mir-opt/const_prop/switch_int.rs index 904d303d87e31..46e6efb8180eb 100644 --- a/src/test/mir-opt/const_prop/switch_int.rs +++ b/src/test/mir-opt/const_prop/switch_int.rs @@ -1,38 +1,11 @@ #[inline(never)] fn foo(_: i32) { } +// EMIT_MIR rustc.main.ConstProp.diff +// EMIT_MIR rustc.main.SimplifyBranches-after-const-prop.diff fn main() { match 1 { 1 => foo(0), _ => foo(-1), } } - -// END RUST SOURCE -// START rustc.main.ConstProp.before.mir -// bb0: { -// ... -// _1 = const 1i32; -// switchInt(_1) -> [1i32: bb2, otherwise: bb1]; -// } -// END rustc.main.ConstProp.before.mir -// START rustc.main.ConstProp.after.mir -// bb0: { -// ... -// switchInt(const 1i32) -> [1i32: bb2, otherwise: bb1]; -// } -// END rustc.main.ConstProp.after.mir -// START rustc.main.SimplifyBranches-after-const-prop.before.mir -// bb0: { -// ... -// _1 = const 1i32; -// switchInt(const 1i32) -> [1i32: bb2, otherwise: bb1]; -// } -// END rustc.main.SimplifyBranches-after-const-prop.before.mir -// START rustc.main.SimplifyBranches-after-const-prop.after.mir -// bb0: { -// ... -// _1 = const 1i32; -// goto -> bb2; -// } -// END rustc.main.SimplifyBranches-after-const-prop.after.mir diff --git a/src/test/mir-opt/const_prop/switch_int/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/switch_int/rustc.main.ConstProp.diff new file mode 100644 index 0000000000000..92b14309bf2b7 --- /dev/null +++ b/src/test/mir-opt/const_prop/switch_int/rustc.main.ConstProp.diff @@ -0,0 +1,64 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/switch_int.rs:6:11: 6:11 + let mut _1: i32; // in scope 0 at $DIR/switch_int.rs:7:11: 7:12 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/switch_int.rs:7:11: 7:12 + _1 = const 1i32; // bb0[1]: scope 0 at $DIR/switch_int.rs:7:11: 7:12 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/switch_int.rs:7:11: 7:12 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } +- switchInt(_1) -> [1i32: bb2, otherwise: bb1]; // bb0[2]: scope 0 at $DIR/switch_int.rs:8:9: 8:10 ++ switchInt(const 1i32) -> [1i32: bb2, otherwise: bb1]; // bb0[2]: scope 0 at $DIR/switch_int.rs:8:9: 8:10 ++ // ty::Const ++ // + ty: i32 ++ // + val: Value(Scalar(0x00000001)) ++ // mir::Constant ++ // + span: $DIR/switch_int.rs:8:9: 8:10 ++ // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + } + + bb1: { + _0 = const foo(const -1i32) -> bb3; // bb1[0]: scope 0 at $DIR/switch_int.rs:9:14: 9:21 + // ty::Const + // + ty: fn(i32) {foo} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/switch_int.rs:9:14: 9:17 + // + literal: Const { ty: fn(i32) {foo}, val: Value(Scalar()) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0xffffffff)) + // mir::Constant + // + span: $DIR/switch_int.rs:9:18: 9:20 + // + literal: Const { ty: i32, val: Value(Scalar(0xffffffff)) } + } + + bb2: { + _0 = const foo(const 0i32) -> bb3; // bb2[0]: scope 0 at $DIR/switch_int.rs:8:14: 8:20 + // ty::Const + // + ty: fn(i32) {foo} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/switch_int.rs:8:14: 8:17 + // + literal: Const { ty: fn(i32) {foo}, val: Value(Scalar()) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/switch_int.rs:8:18: 8:19 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + } + + bb3: { + StorageDead(_1); // bb3[0]: scope 0 at $DIR/switch_int.rs:11:1: 11:2 + return; // bb3[1]: scope 0 at $DIR/switch_int.rs:11:2: 11:2 + } + } + diff --git a/src/test/mir-opt/const_prop/switch_int/rustc.main.SimplifyBranches-after-const-prop.diff b/src/test/mir-opt/const_prop/switch_int/rustc.main.SimplifyBranches-after-const-prop.diff new file mode 100644 index 0000000000000..e1805cc57311d --- /dev/null +++ b/src/test/mir-opt/const_prop/switch_int/rustc.main.SimplifyBranches-after-const-prop.diff @@ -0,0 +1,64 @@ +- // MIR for `main` before SimplifyBranches-after-const-prop ++ // MIR for `main` after SimplifyBranches-after-const-prop + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/switch_int.rs:6:11: 6:11 + let mut _1: i32; // in scope 0 at $DIR/switch_int.rs:7:11: 7:12 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/switch_int.rs:7:11: 7:12 + _1 = const 1i32; // bb0[1]: scope 0 at $DIR/switch_int.rs:7:11: 7:12 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/switch_int.rs:7:11: 7:12 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } +- switchInt(const 1i32) -> [1i32: bb2, otherwise: bb1]; // bb0[2]: scope 0 at $DIR/switch_int.rs:8:9: 8:10 +- // ty::Const +- // + ty: i32 +- // + val: Value(Scalar(0x00000001)) +- // mir::Constant +- // + span: $DIR/switch_int.rs:8:9: 8:10 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } ++ goto -> bb2; // bb0[2]: scope 0 at $DIR/switch_int.rs:8:9: 8:10 + } + + bb1: { + _0 = const foo(const -1i32) -> bb3; // bb1[0]: scope 0 at $DIR/switch_int.rs:9:14: 9:21 + // ty::Const + // + ty: fn(i32) {foo} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/switch_int.rs:9:14: 9:17 + // + literal: Const { ty: fn(i32) {foo}, val: Value(Scalar()) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0xffffffff)) + // mir::Constant + // + span: $DIR/switch_int.rs:9:18: 9:20 + // + literal: Const { ty: i32, val: Value(Scalar(0xffffffff)) } + } + + bb2: { + _0 = const foo(const 0i32) -> bb3; // bb2[0]: scope 0 at $DIR/switch_int.rs:8:14: 8:20 + // ty::Const + // + ty: fn(i32) {foo} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/switch_int.rs:8:14: 8:17 + // + literal: Const { ty: fn(i32) {foo}, val: Value(Scalar()) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/switch_int.rs:8:18: 8:19 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + } + + bb3: { + StorageDead(_1); // bb3[0]: scope 0 at $DIR/switch_int.rs:11:1: 11:2 + return; // bb3[1]: scope 0 at $DIR/switch_int.rs:11:2: 11:2 + } + } + diff --git a/src/test/mir-opt/copy_propagation.rs b/src/test/mir-opt/copy_propagation.rs index a86caf04b043b..b5db5497d4823 100644 --- a/src/test/mir-opt/copy_propagation.rs +++ b/src/test/mir-opt/copy_propagation.rs @@ -1,3 +1,5 @@ +// EMIT_MIR rustc.test.CopyPropagation.diff + fn test(x: u32) -> u32 { let y = x; y @@ -7,23 +9,3 @@ fn main() { // Make sure the function actually gets instantiated. test(0); } - -// END RUST SOURCE -// START rustc.test.CopyPropagation.before.mir -// bb0: { -// ... -// _2 = _1; -// ... -// _0 = _2; -// ... -// return; -// } -// END rustc.test.CopyPropagation.before.mir -// START rustc.test.CopyPropagation.after.mir -// bb0: { -// ... -// _0 = _1; -// ... -// return; -// } -// END rustc.test.CopyPropagation.after.mir diff --git a/src/test/mir-opt/copy_propagation/rustc.test.CopyPropagation.diff b/src/test/mir-opt/copy_propagation/rustc.test.CopyPropagation.diff new file mode 100644 index 0000000000000..4e9d4c56cd6ef --- /dev/null +++ b/src/test/mir-opt/copy_propagation/rustc.test.CopyPropagation.diff @@ -0,0 +1,25 @@ +- // MIR for `test` before CopyPropagation ++ // MIR for `test` after CopyPropagation + + fn test(_1: u32) -> u32 { + debug x => _1; // in scope 0 at $DIR/copy_propagation.rs:3:9: 3:10 + let mut _0: u32; // return place in scope 0 at $DIR/copy_propagation.rs:3:20: 3:23 + let _2: u32; // in scope 0 at $DIR/copy_propagation.rs:4:9: 4:10 + scope 1 { +- debug y => _2; // in scope 1 at $DIR/copy_propagation.rs:4:9: 4:10 ++ debug y => _1; // in scope 1 at $DIR/copy_propagation.rs:4:9: 4:10 + } + + bb0: { +- StorageLive(_2); // bb0[0]: scope 0 at $DIR/copy_propagation.rs:4:9: 4:10 +- _2 = _1; // bb0[1]: scope 0 at $DIR/copy_propagation.rs:4:13: 4:14 +- _0 = _2; // bb0[2]: scope 1 at $DIR/copy_propagation.rs:5:5: 5:6 +- StorageDead(_2); // bb0[3]: scope 0 at $DIR/copy_propagation.rs:6:1: 6:2 ++ nop; // bb0[0]: scope 0 at $DIR/copy_propagation.rs:4:9: 4:10 ++ nop; // bb0[1]: scope 0 at $DIR/copy_propagation.rs:4:13: 4:14 ++ _0 = _1; // bb0[2]: scope 1 at $DIR/copy_propagation.rs:5:5: 5:6 ++ nop; // bb0[3]: scope 0 at $DIR/copy_propagation.rs:6:1: 6:2 + return; // bb0[4]: scope 0 at $DIR/copy_propagation.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/copy_propagation_arg.rs b/src/test/mir-opt/copy_propagation_arg.rs index 5e5fed12fb5f3..c4858be7f2b8c 100644 --- a/src/test/mir-opt/copy_propagation_arg.rs +++ b/src/test/mir-opt/copy_propagation_arg.rs @@ -5,21 +5,25 @@ fn dummy(x: u8) -> u8 { x } +// EMIT_MIR rustc.foo.CopyPropagation.diff fn foo(mut x: u8) { // calling `dummy` to make an use of `x` that copyprop cannot eliminate x = dummy(x); // this will assign a local to `x` } +// EMIT_MIR rustc.bar.CopyPropagation.diff fn bar(mut x: u8) { dummy(x); x = 5; } +// EMIT_MIR rustc.baz.CopyPropagation.diff fn baz(mut x: i32) { // self-assignment to a function argument should be eliminated x = x; } +// EMIT_MIR rustc.arg_src.CopyPropagation.diff fn arg_src(mut x: i32) -> i32 { let y = x; x = 123; // Don't propagate this assignment to `y` @@ -33,100 +37,3 @@ fn main() { baz(0); arg_src(0); } - -// END RUST SOURCE -// START rustc.foo.CopyPropagation.before.mir -// bb0: { -// ... -// _3 = _1; -// _2 = const dummy(move _3) -> bb1; -// } -// bb1: { -// ... -// _1 = move _2; -// ... -// } -// END rustc.foo.CopyPropagation.before.mir -// START rustc.foo.CopyPropagation.after.mir -// bb0: { -// ... -// _3 = _1; -// _2 = const dummy(move _3) -> bb1; -// } -// bb1: { -// ... -// _1 = move _2; -// ... -// } -// END rustc.foo.CopyPropagation.after.mir -// START rustc.bar.CopyPropagation.before.mir -// bb0: { -// StorageLive(_2); -// StorageLive(_3); -// _3 = _1; -// _2 = const dummy(move _3) -> bb1; -// } -// bb1: { -// StorageDead(_3); -// StorageDead(_2); -// _1 = const 5u8; -// ... -// return; -// } -// END rustc.bar.CopyPropagation.before.mir -// START rustc.bar.CopyPropagation.after.mir -// bb0: { -// ... -// _3 = _1; -// _2 = const dummy(move _3) -> bb1; -// } -// bb1: { -// ... -// _1 = const 5u8; -// ... -// return; -// } -// END rustc.bar.CopyPropagation.after.mir -// START rustc.baz.CopyPropagation.before.mir -// bb0: { -// StorageLive(_2); -// _2 = _1; -// _1 = move _2; -// StorageDead(_2); -// ... -// return; -// } -// END rustc.baz.CopyPropagation.before.mir -// START rustc.baz.CopyPropagation.after.mir -// bb0: { -// ... -// _2 = _1; -// _1 = move _2; -// ... -// return; -// } -// END rustc.baz.CopyPropagation.after.mir -// START rustc.arg_src.CopyPropagation.before.mir -// bb0: { -// ... -// _2 = _1; -// ... -// _1 = const 123i32; -// ... -// _0 = _2; -// ... -// return; -// } -// END rustc.arg_src.CopyPropagation.before.mir -// START rustc.arg_src.CopyPropagation.after.mir -// bb0: { -// ... -// _2 = _1; -// ... -// _1 = const 123i32; -// ... -// _0 = _2; -// ... -// return; -// } -// END rustc.arg_src.CopyPropagation.after.mir diff --git a/src/test/mir-opt/copy_propagation_arg/rustc.arg_src.CopyPropagation.diff b/src/test/mir-opt/copy_propagation_arg/rustc.arg_src.CopyPropagation.diff new file mode 100644 index 0000000000000..db3f588d99987 --- /dev/null +++ b/src/test/mir-opt/copy_propagation_arg/rustc.arg_src.CopyPropagation.diff @@ -0,0 +1,27 @@ +- // MIR for `arg_src` before CopyPropagation ++ // MIR for `arg_src` after CopyPropagation + + fn arg_src(_1: i32) -> i32 { + debug x => _1; // in scope 0 at $DIR/copy_propagation_arg.rs:27:12: 27:17 + let mut _0: i32; // return place in scope 0 at $DIR/copy_propagation_arg.rs:27:27: 27:30 + let _2: i32; // in scope 0 at $DIR/copy_propagation_arg.rs:28:9: 28:10 + scope 1 { + debug y => _2; // in scope 1 at $DIR/copy_propagation_arg.rs:28:9: 28:10 + } + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/copy_propagation_arg.rs:28:9: 28:10 + _2 = _1; // bb0[1]: scope 0 at $DIR/copy_propagation_arg.rs:28:13: 28:14 + _1 = const 123i32; // bb0[2]: scope 1 at $DIR/copy_propagation_arg.rs:29:5: 29:12 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000007b)) + // mir::Constant + // + span: $DIR/copy_propagation_arg.rs:29:5: 29:12 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000007b)) } + _0 = _2; // bb0[3]: scope 1 at $DIR/copy_propagation_arg.rs:30:5: 30:6 + StorageDead(_2); // bb0[4]: scope 0 at $DIR/copy_propagation_arg.rs:31:1: 31:2 + return; // bb0[5]: scope 0 at $DIR/copy_propagation_arg.rs:31:2: 31:2 + } + } + diff --git a/src/test/mir-opt/copy_propagation_arg/rustc.bar.CopyPropagation.diff b/src/test/mir-opt/copy_propagation_arg/rustc.bar.CopyPropagation.diff new file mode 100644 index 0000000000000..8bdc91109b30f --- /dev/null +++ b/src/test/mir-opt/copy_propagation_arg/rustc.bar.CopyPropagation.diff @@ -0,0 +1,37 @@ +- // MIR for `bar` before CopyPropagation ++ // MIR for `bar` after CopyPropagation + + fn bar(_1: u8) -> () { + debug x => _1; // in scope 0 at $DIR/copy_propagation_arg.rs:15:8: 15:13 + let mut _0: (); // return place in scope 0 at $DIR/copy_propagation_arg.rs:15:19: 15:19 + let _2: u8; // in scope 0 at $DIR/copy_propagation_arg.rs:16:5: 16:13 + let mut _3: u8; // in scope 0 at $DIR/copy_propagation_arg.rs:16:11: 16:12 + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/copy_propagation_arg.rs:16:5: 16:13 + StorageLive(_3); // bb0[1]: scope 0 at $DIR/copy_propagation_arg.rs:16:11: 16:12 + _3 = _1; // bb0[2]: scope 0 at $DIR/copy_propagation_arg.rs:16:11: 16:12 + _2 = const dummy(move _3) -> bb1; // bb0[3]: scope 0 at $DIR/copy_propagation_arg.rs:16:5: 16:13 + // ty::Const + // + ty: fn(u8) -> u8 {dummy} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/copy_propagation_arg.rs:16:5: 16:10 + // + literal: Const { ty: fn(u8) -> u8 {dummy}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_3); // bb1[0]: scope 0 at $DIR/copy_propagation_arg.rs:16:12: 16:13 + StorageDead(_2); // bb1[1]: scope 0 at $DIR/copy_propagation_arg.rs:16:13: 16:14 + _1 = const 5u8; // bb1[2]: scope 0 at $DIR/copy_propagation_arg.rs:17:5: 17:10 + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x05)) + // mir::Constant + // + span: $DIR/copy_propagation_arg.rs:17:5: 17:10 + // + literal: Const { ty: u8, val: Value(Scalar(0x05)) } + nop; // bb1[3]: scope 0 at $DIR/copy_propagation_arg.rs:15:19: 18:2 + return; // bb1[4]: scope 0 at $DIR/copy_propagation_arg.rs:18:2: 18:2 + } + } + diff --git a/src/test/mir-opt/copy_propagation_arg/rustc.baz.CopyPropagation.diff b/src/test/mir-opt/copy_propagation_arg/rustc.baz.CopyPropagation.diff new file mode 100644 index 0000000000000..10f2a98b20618 --- /dev/null +++ b/src/test/mir-opt/copy_propagation_arg/rustc.baz.CopyPropagation.diff @@ -0,0 +1,18 @@ +- // MIR for `baz` before CopyPropagation ++ // MIR for `baz` after CopyPropagation + + fn baz(_1: i32) -> () { + debug x => _1; // in scope 0 at $DIR/copy_propagation_arg.rs:21:8: 21:13 + let mut _0: (); // return place in scope 0 at $DIR/copy_propagation_arg.rs:21:20: 21:20 + let mut _2: i32; // in scope 0 at $DIR/copy_propagation_arg.rs:23:9: 23:10 + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/copy_propagation_arg.rs:23:9: 23:10 + _2 = _1; // bb0[1]: scope 0 at $DIR/copy_propagation_arg.rs:23:9: 23:10 + _1 = move _2; // bb0[2]: scope 0 at $DIR/copy_propagation_arg.rs:23:5: 23:10 + StorageDead(_2); // bb0[3]: scope 0 at $DIR/copy_propagation_arg.rs:23:9: 23:10 + nop; // bb0[4]: scope 0 at $DIR/copy_propagation_arg.rs:21:20: 24:2 + return; // bb0[5]: scope 0 at $DIR/copy_propagation_arg.rs:24:2: 24:2 + } + } + diff --git a/src/test/mir-opt/copy_propagation_arg/rustc.foo.CopyPropagation.diff b/src/test/mir-opt/copy_propagation_arg/rustc.foo.CopyPropagation.diff new file mode 100644 index 0000000000000..a47880c540e2e --- /dev/null +++ b/src/test/mir-opt/copy_propagation_arg/rustc.foo.CopyPropagation.diff @@ -0,0 +1,31 @@ +- // MIR for `foo` before CopyPropagation ++ // MIR for `foo` after CopyPropagation + + fn foo(_1: u8) -> () { + debug x => _1; // in scope 0 at $DIR/copy_propagation_arg.rs:9:8: 9:13 + let mut _0: (); // return place in scope 0 at $DIR/copy_propagation_arg.rs:9:19: 9:19 + let mut _2: u8; // in scope 0 at $DIR/copy_propagation_arg.rs:11:9: 11:17 + let mut _3: u8; // in scope 0 at $DIR/copy_propagation_arg.rs:11:15: 11:16 + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/copy_propagation_arg.rs:11:9: 11:17 + StorageLive(_3); // bb0[1]: scope 0 at $DIR/copy_propagation_arg.rs:11:15: 11:16 + _3 = _1; // bb0[2]: scope 0 at $DIR/copy_propagation_arg.rs:11:15: 11:16 + _2 = const dummy(move _3) -> bb1; // bb0[3]: scope 0 at $DIR/copy_propagation_arg.rs:11:9: 11:17 + // ty::Const + // + ty: fn(u8) -> u8 {dummy} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/copy_propagation_arg.rs:11:9: 11:14 + // + literal: Const { ty: fn(u8) -> u8 {dummy}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_3); // bb1[0]: scope 0 at $DIR/copy_propagation_arg.rs:11:16: 11:17 + _1 = move _2; // bb1[1]: scope 0 at $DIR/copy_propagation_arg.rs:11:5: 11:17 + StorageDead(_2); // bb1[2]: scope 0 at $DIR/copy_propagation_arg.rs:11:16: 11:17 + nop; // bb1[3]: scope 0 at $DIR/copy_propagation_arg.rs:9:19: 12:2 + return; // bb1[4]: scope 0 at $DIR/copy_propagation_arg.rs:12:2: 12:2 + } + } + diff --git a/src/test/mir-opt/deaggregator_test.rs b/src/test/mir-opt/deaggregator_test.rs index 44c2319bc7eb1..9004a63129100 100644 --- a/src/test/mir-opt/deaggregator_test.rs +++ b/src/test/mir-opt/deaggregator_test.rs @@ -4,6 +4,7 @@ struct Baz { z: bool, } +// EMIT_MIR rustc.bar.Deaggregator.diff fn bar(a: usize) -> Baz { Baz { x: a, y: 0.0, z: false } } @@ -12,27 +13,3 @@ fn main() { // Make sure the function actually gets instantiated. bar(0); } - -// END RUST SOURCE -// START rustc.bar.Deaggregator.before.mir -// bb0: { -// ... -// _2 = _1; -// ... -// _0 = Baz { x: move _2, y: const 0f32, z: const false }; -// ... -// return; -// } -// END rustc.bar.Deaggregator.before.mir -// START rustc.bar.Deaggregator.after.mir -// bb0: { -// ... -// _2 = _1; -// ... -// (_0.0: usize) = move _2; -// (_0.1: f32) = const 0f32; -// (_0.2: bool) = const false; -// ... -// return; -// } -// END rustc.bar.Deaggregator.after.mir diff --git a/src/test/mir-opt/deaggregator_test/rustc.bar.Deaggregator.diff b/src/test/mir-opt/deaggregator_test/rustc.bar.Deaggregator.diff new file mode 100644 index 0000000000000..082f05a50c10b --- /dev/null +++ b/src/test/mir-opt/deaggregator_test/rustc.bar.Deaggregator.diff @@ -0,0 +1,34 @@ +- // MIR for `bar` before Deaggregator ++ // MIR for `bar` after Deaggregator + + fn bar(_1: usize) -> Baz { + debug a => _1; // in scope 0 at $DIR/deaggregator_test.rs:8:8: 8:9 + let mut _0: Baz; // return place in scope 0 at $DIR/deaggregator_test.rs:8:21: 8:24 + let mut _2: usize; // in scope 0 at $DIR/deaggregator_test.rs:9:14: 9:15 + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/deaggregator_test.rs:9:14: 9:15 + _2 = _1; // bb0[1]: scope 0 at $DIR/deaggregator_test.rs:9:14: 9:15 +- _0 = Baz { x: move _2, y: const 0f32, z: const false }; // bb0[2]: scope 0 at $DIR/deaggregator_test.rs:9:5: 9:35 ++ (_0.0: usize) = move _2; // bb0[2]: scope 0 at $DIR/deaggregator_test.rs:9:5: 9:35 ++ (_0.1: f32) = const 0f32; // bb0[3]: scope 0 at $DIR/deaggregator_test.rs:9:5: 9:35 + // ty::Const + // + ty: f32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/deaggregator_test.rs:9:20: 9:23 + // + literal: Const { ty: f32, val: Value(Scalar(0x00000000)) } ++ (_0.2: bool) = const false; // bb0[4]: scope 0 at $DIR/deaggregator_test.rs:9:5: 9:35 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/deaggregator_test.rs:9:28: 9:33 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } +- StorageDead(_2); // bb0[3]: scope 0 at $DIR/deaggregator_test.rs:9:34: 9:35 +- return; // bb0[4]: scope 0 at $DIR/deaggregator_test.rs:10:2: 10:2 ++ StorageDead(_2); // bb0[5]: scope 0 at $DIR/deaggregator_test.rs:9:34: 9:35 ++ return; // bb0[6]: scope 0 at $DIR/deaggregator_test.rs:10:2: 10:2 + } + } + diff --git a/src/test/mir-opt/deaggregator_test_enum.rs b/src/test/mir-opt/deaggregator_test_enum.rs index fed1627159067..e74eafd011fe3 100644 --- a/src/test/mir-opt/deaggregator_test_enum.rs +++ b/src/test/mir-opt/deaggregator_test_enum.rs @@ -3,6 +3,7 @@ enum Baz { Foo { x: usize }, } +// EMIT_MIR rustc.bar.Deaggregator.diff fn bar(a: usize) -> Baz { Baz::Foo { x: a } } @@ -14,24 +15,3 @@ fn main() { Baz::Foo { x } => println!("{}", x), }; } - -// END RUST SOURCE -// START rustc.bar.Deaggregator.before.mir -// bb0: { -// StorageLive(_2); -// _2 = _1; -// _0 = Baz::Foo { x: move _2 }; -// StorageDead(_2); -// return; -// } -// END rustc.bar.Deaggregator.before.mir -// START rustc.bar.Deaggregator.after.mir -// bb0: { -// StorageLive(_2); -// _2 = _1; -// ((_0 as Foo).0: usize) = move _2; -// discriminant(_0) = 1; -// StorageDead(_2); -// return; -// } -// END rustc.bar.Deaggregator.after.mir diff --git a/src/test/mir-opt/deaggregator_test_enum/rustc.bar.Deaggregator.diff b/src/test/mir-opt/deaggregator_test_enum/rustc.bar.Deaggregator.diff new file mode 100644 index 0000000000000..b1839ef7e0e16 --- /dev/null +++ b/src/test/mir-opt/deaggregator_test_enum/rustc.bar.Deaggregator.diff @@ -0,0 +1,21 @@ +- // MIR for `bar` before Deaggregator ++ // MIR for `bar` after Deaggregator + + fn bar(_1: usize) -> Baz { + debug a => _1; // in scope 0 at $DIR/deaggregator_test_enum.rs:7:8: 7:9 + let mut _0: Baz; // return place in scope 0 at $DIR/deaggregator_test_enum.rs:7:21: 7:24 + let mut _2: usize; // in scope 0 at $DIR/deaggregator_test_enum.rs:8:19: 8:20 + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/deaggregator_test_enum.rs:8:19: 8:20 + _2 = _1; // bb0[1]: scope 0 at $DIR/deaggregator_test_enum.rs:8:19: 8:20 +- _0 = Baz::Foo { x: move _2 }; // bb0[2]: scope 0 at $DIR/deaggregator_test_enum.rs:8:5: 8:22 +- StorageDead(_2); // bb0[3]: scope 0 at $DIR/deaggregator_test_enum.rs:8:21: 8:22 +- return; // bb0[4]: scope 0 at $DIR/deaggregator_test_enum.rs:9:2: 9:2 ++ ((_0 as Foo).0: usize) = move _2; // bb0[2]: scope 0 at $DIR/deaggregator_test_enum.rs:8:5: 8:22 ++ discriminant(_0) = 1; // bb0[3]: scope 0 at $DIR/deaggregator_test_enum.rs:8:5: 8:22 ++ StorageDead(_2); // bb0[4]: scope 0 at $DIR/deaggregator_test_enum.rs:8:21: 8:22 ++ return; // bb0[5]: scope 0 at $DIR/deaggregator_test_enum.rs:9:2: 9:2 + } + } + diff --git a/src/test/mir-opt/deaggregator_test_enum_2.rs b/src/test/mir-opt/deaggregator_test_enum_2.rs index b39ad1bef8e34..d5201ed72a8d9 100644 --- a/src/test/mir-opt/deaggregator_test_enum_2.rs +++ b/src/test/mir-opt/deaggregator_test_enum_2.rs @@ -5,6 +5,7 @@ enum Foo { B(i32), } +// EMIT_MIR rustc.test1.Deaggregator.diff fn test1(x: bool, y: i32) -> Foo { if x { Foo::A(y) @@ -17,40 +18,3 @@ fn main() { // Make sure the function actually gets instantiated. test1(false, 0); } - -// END RUST SOURCE -// START rustc.test1.Deaggregator.before.mir -// bb1: { -// StorageLive(_5); -// _5 = _2; -// _0 = Foo::B(move _5,); -// StorageDead(_5); -// goto -> bb3; -// } -// bb2: { -// StorageLive(_4); -// _4 = _2; -// _0 = Foo::A(move _4,); -// StorageDead(_4); -// goto -> bb3; -// } -// END rustc.test1.Deaggregator.before.mir -// START rustc.test1.Deaggregator.after.mir -// bb1: { -// StorageLive(_5); -// _5 = _2; -// ((_0 as B).0: i32) = move _5; -// discriminant(_0) = 1; -// StorageDead(_5); -// goto -> bb3; -// } -// bb2: { -// StorageLive(_4); -// _4 = _2; -// ((_0 as A).0: i32) = move _4; -// discriminant(_0) = 0; -// StorageDead(_4); -// goto -> bb3; -// } -// END rustc.test1.Deaggregator.after.mir -// diff --git a/src/test/mir-opt/deaggregator_test_enum_2/rustc.test1.Deaggregator.diff b/src/test/mir-opt/deaggregator_test_enum_2/rustc.test1.Deaggregator.diff new file mode 100644 index 0000000000000..a72a679b2090c --- /dev/null +++ b/src/test/mir-opt/deaggregator_test_enum_2/rustc.test1.Deaggregator.diff @@ -0,0 +1,47 @@ +- // MIR for `test1` before Deaggregator ++ // MIR for `test1` after Deaggregator + + fn test1(_1: bool, _2: i32) -> Foo { + debug x => _1; // in scope 0 at $DIR/deaggregator_test_enum_2.rs:9:10: 9:11 + debug y => _2; // in scope 0 at $DIR/deaggregator_test_enum_2.rs:9:19: 9:20 + let mut _0: Foo; // return place in scope 0 at $DIR/deaggregator_test_enum_2.rs:9:30: 9:33 + let mut _3: bool; // in scope 0 at $DIR/deaggregator_test_enum_2.rs:10:8: 10:9 + let mut _4: i32; // in scope 0 at $DIR/deaggregator_test_enum_2.rs:11:16: 11:17 + let mut _5: i32; // in scope 0 at $DIR/deaggregator_test_enum_2.rs:13:16: 13:17 + + bb0: { + StorageLive(_3); // bb0[0]: scope 0 at $DIR/deaggregator_test_enum_2.rs:10:8: 10:9 + _3 = _1; // bb0[1]: scope 0 at $DIR/deaggregator_test_enum_2.rs:10:8: 10:9 + switchInt(_3) -> [false: bb1, otherwise: bb2]; // bb0[2]: scope 0 at $DIR/deaggregator_test_enum_2.rs:10:5: 14:6 + } + + bb1: { + StorageLive(_5); // bb1[0]: scope 0 at $DIR/deaggregator_test_enum_2.rs:13:16: 13:17 + _5 = _2; // bb1[1]: scope 0 at $DIR/deaggregator_test_enum_2.rs:13:16: 13:17 +- _0 = Foo::B(move _5,); // bb1[2]: scope 0 at $DIR/deaggregator_test_enum_2.rs:13:9: 13:18 +- StorageDead(_5); // bb1[3]: scope 0 at $DIR/deaggregator_test_enum_2.rs:13:17: 13:18 +- goto -> bb3; // bb1[4]: scope 0 at $DIR/deaggregator_test_enum_2.rs:10:5: 14:6 ++ ((_0 as B).0: i32) = move _5; // bb1[2]: scope 0 at $DIR/deaggregator_test_enum_2.rs:13:9: 13:18 ++ discriminant(_0) = 1; // bb1[3]: scope 0 at $DIR/deaggregator_test_enum_2.rs:13:9: 13:18 ++ StorageDead(_5); // bb1[4]: scope 0 at $DIR/deaggregator_test_enum_2.rs:13:17: 13:18 ++ goto -> bb3; // bb1[5]: scope 0 at $DIR/deaggregator_test_enum_2.rs:10:5: 14:6 + } + + bb2: { + StorageLive(_4); // bb2[0]: scope 0 at $DIR/deaggregator_test_enum_2.rs:11:16: 11:17 + _4 = _2; // bb2[1]: scope 0 at $DIR/deaggregator_test_enum_2.rs:11:16: 11:17 +- _0 = Foo::A(move _4,); // bb2[2]: scope 0 at $DIR/deaggregator_test_enum_2.rs:11:9: 11:18 +- StorageDead(_4); // bb2[3]: scope 0 at $DIR/deaggregator_test_enum_2.rs:11:17: 11:18 +- goto -> bb3; // bb2[4]: scope 0 at $DIR/deaggregator_test_enum_2.rs:10:5: 14:6 ++ ((_0 as A).0: i32) = move _4; // bb2[2]: scope 0 at $DIR/deaggregator_test_enum_2.rs:11:9: 11:18 ++ discriminant(_0) = 0; // bb2[3]: scope 0 at $DIR/deaggregator_test_enum_2.rs:11:9: 11:18 ++ StorageDead(_4); // bb2[4]: scope 0 at $DIR/deaggregator_test_enum_2.rs:11:17: 11:18 ++ goto -> bb3; // bb2[5]: scope 0 at $DIR/deaggregator_test_enum_2.rs:10:5: 14:6 + } + + bb3: { + StorageDead(_3); // bb3[0]: scope 0 at $DIR/deaggregator_test_enum_2.rs:15:1: 15:2 + return; // bb3[1]: scope 0 at $DIR/deaggregator_test_enum_2.rs:15:2: 15:2 + } + } + diff --git a/src/test/mir-opt/deaggregator_test_multiple.rs b/src/test/mir-opt/deaggregator_test_multiple.rs index 34c41af273fea..824a970ce2fd3 100644 --- a/src/test/mir-opt/deaggregator_test_multiple.rs +++ b/src/test/mir-opt/deaggregator_test_multiple.rs @@ -5,6 +5,7 @@ enum Foo { B, } +// EMIT_MIR rustc.test.Deaggregator.diff fn test(x: i32) -> [Foo; 2] { [Foo::A(x), Foo::A(x)] } @@ -13,37 +14,3 @@ fn main() { // Make sure the function actually gets instantiated. test(0); } - -// END RUST SOURCE -// START rustc.test.Deaggregator.before.mir -// bb0: { -// ... -// _3 = _1; -// ... -// _2 = Foo::A(move _3,); -// ... -// _5 = _1; -// _4 = Foo::A(move _5,); -// ... -// _0 = [move _2, move _4]; -// ... -// return; -// } -// END rustc.test.Deaggregator.before.mir -// START rustc.test.Deaggregator.after.mir -// bb0: { -// ... -// _3 = _1; -// ... -// ((_2 as A).0: i32) = move _3; -// discriminant(_2) = 0; -// ... -// _5 = _1; -// ((_4 as A).0: i32) = move _5; -// discriminant(_4) = 0; -// ... -// _0 = [move _2, move _4]; -// ... -// return; -// } -// END rustc.test.Deaggregator.after.mir diff --git a/src/test/mir-opt/deaggregator_test_multiple/rustc.test.Deaggregator.diff b/src/test/mir-opt/deaggregator_test_multiple/rustc.test.Deaggregator.diff new file mode 100644 index 0000000000000..126dfc1ac91a6 --- /dev/null +++ b/src/test/mir-opt/deaggregator_test_multiple/rustc.test.Deaggregator.diff @@ -0,0 +1,42 @@ +- // MIR for `test` before Deaggregator ++ // MIR for `test` after Deaggregator + + fn test(_1: i32) -> [Foo; 2] { + debug x => _1; // in scope 0 at $DIR/deaggregator_test_multiple.rs:9:9: 9:10 + let mut _0: [Foo; 2]; // return place in scope 0 at $DIR/deaggregator_test_multiple.rs:9:20: 9:28 + let mut _2: Foo; // in scope 0 at $DIR/deaggregator_test_multiple.rs:10:6: 10:15 + let mut _3: i32; // in scope 0 at $DIR/deaggregator_test_multiple.rs:10:13: 10:14 + let mut _4: Foo; // in scope 0 at $DIR/deaggregator_test_multiple.rs:10:17: 10:26 + let mut _5: i32; // in scope 0 at $DIR/deaggregator_test_multiple.rs:10:24: 10:25 + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:6: 10:15 + StorageLive(_3); // bb0[1]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:13: 10:14 + _3 = _1; // bb0[2]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:13: 10:14 +- _2 = Foo::A(move _3,); // bb0[3]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:6: 10:15 +- StorageDead(_3); // bb0[4]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:14: 10:15 +- StorageLive(_4); // bb0[5]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:17: 10:26 +- StorageLive(_5); // bb0[6]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:24: 10:25 +- _5 = _1; // bb0[7]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:24: 10:25 +- _4 = Foo::A(move _5,); // bb0[8]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:17: 10:26 +- StorageDead(_5); // bb0[9]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:25: 10:26 +- _0 = [move _2, move _4]; // bb0[10]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:5: 10:27 +- StorageDead(_4); // bb0[11]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:26: 10:27 +- StorageDead(_2); // bb0[12]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:26: 10:27 +- return; // bb0[13]: scope 0 at $DIR/deaggregator_test_multiple.rs:11:2: 11:2 ++ ((_2 as A).0: i32) = move _3; // bb0[3]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:6: 10:15 ++ discriminant(_2) = 0; // bb0[4]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:6: 10:15 ++ StorageDead(_3); // bb0[5]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:14: 10:15 ++ StorageLive(_4); // bb0[6]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:17: 10:26 ++ StorageLive(_5); // bb0[7]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:24: 10:25 ++ _5 = _1; // bb0[8]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:24: 10:25 ++ ((_4 as A).0: i32) = move _5; // bb0[9]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:17: 10:26 ++ discriminant(_4) = 0; // bb0[10]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:17: 10:26 ++ StorageDead(_5); // bb0[11]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:25: 10:26 ++ _0 = [move _2, move _4]; // bb0[12]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:5: 10:27 ++ StorageDead(_4); // bb0[13]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:26: 10:27 ++ StorageDead(_2); // bb0[14]: scope 0 at $DIR/deaggregator_test_multiple.rs:10:26: 10:27 ++ return; // bb0[15]: scope 0 at $DIR/deaggregator_test_multiple.rs:11:2: 11:2 + } + } + diff --git a/src/test/mir-opt/exponential-or.rs b/src/test/mir-opt/exponential-or.rs index 4c23582e1f894..9fce7928f6a97 100644 --- a/src/test/mir-opt/exponential-or.rs +++ b/src/test/mir-opt/exponential-or.rs @@ -1,9 +1,8 @@ // Test that simple or-patterns don't get expanded to exponentially large CFGs -// ignore-tidy-linelength - #![feature(or_patterns)] +// EMIT_MIR rustc.match_tuple.SimplifyCfg-initial.after.mir fn match_tuple(x: (u32, bool, Option, u32)) -> u32 { match x { (y @ (1 | 4), true | false, Some(1 | 8) | None, z @ (6..=9 | 13..=16)) => y ^ z, @@ -12,65 +11,3 @@ fn match_tuple(x: (u32, bool, Option, u32)) -> u32 { } fn main() {} - -// END RUST SOURCE - -// START rustc.match_tuple.SimplifyCfg-initial.after.mir -// scope 1 { -// debug y => _7; -// debug z => _8; -// } -// bb0: { -// FakeRead(ForMatchedPlace, _1); -// switchInt((_1.0: u32)) -> [1u32: bb2, 4u32: bb2, otherwise: bb1]; -// } -// bb1: { -// _0 = const 0u32; -// goto -> bb10; -// } -// bb2: { -// _2 = discriminant((_1.2: std::option::Option)); -// switchInt(move _2) -> [0isize: bb4, 1isize: bb3, otherwise: bb1]; -// } -// bb3: { -// switchInt((((_1.2: std::option::Option) as Some).0: i32)) -> [1i32: bb4, 8i32: bb4, otherwise: bb1]; -// } -// bb4: { -// _5 = Le(const 6u32, (_1.3: u32)); -// switchInt(move _5) -> [false: bb6, otherwise: bb5]; -// } -// bb5: { -// _6 = Le((_1.3: u32), const 9u32); -// switchInt(move _6) -> [false: bb6, otherwise: bb8]; -// } -// bb6: { -// _3 = Le(const 13u32, (_1.3: u32)); -// switchInt(move _3) -> [false: bb1, otherwise: bb7]; -// } -// bb7: { -// _4 = Le((_1.3: u32), const 16u32); -// switchInt(move _4) -> [false: bb1, otherwise: bb8]; -// } -// bb8: { -// falseEdges -> [real: bb9, imaginary: bb1]; -// } -// bb9: { -// StorageLive(_7); -// _7 = (_1.0: u32); -// StorageLive(_8); -// _8 = (_1.3: u32); -// StorageLive(_9); -// _9 = _7; -// StorageLive(_10); -// _10 = _8; -// _0 = BitXor(move _9, move _10); -// StorageDead(_10); -// StorageDead(_9); -// StorageDead(_8); -// StorageDead(_7); -// goto -> bb10; -// } -// bb10: { -// return; -// } -// END rustc.match_tuple.SimplifyCfg-initial.after.mir diff --git a/src/test/mir-opt/exponential-or/rustc.match_tuple.SimplifyCfg-initial.after.mir b/src/test/mir-opt/exponential-or/rustc.match_tuple.SimplifyCfg-initial.after.mir new file mode 100644 index 0000000000000..192ec1bbe2187 --- /dev/null +++ b/src/test/mir-opt/exponential-or/rustc.match_tuple.SimplifyCfg-initial.after.mir @@ -0,0 +1,113 @@ +// MIR for `match_tuple` after SimplifyCfg-initial + +fn match_tuple(_1: (u32, bool, std::option::Option, u32)) -> u32 { + debug x => _1; // in scope 0 at $DIR/exponential-or.rs:6:16: 6:17 + let mut _0: u32; // return place in scope 0 at $DIR/exponential-or.rs:6:53: 6:56 + let mut _2: isize; // in scope 0 at $DIR/exponential-or.rs:8:37: 8:48 + let mut _3: bool; // in scope 0 at $DIR/exponential-or.rs:8:70: 8:77 + let mut _4: bool; // in scope 0 at $DIR/exponential-or.rs:8:70: 8:77 + let mut _5: bool; // in scope 0 at $DIR/exponential-or.rs:8:62: 8:67 + let mut _6: bool; // in scope 0 at $DIR/exponential-or.rs:8:62: 8:67 + let _7: u32; // in scope 0 at $DIR/exponential-or.rs:8:10: 8:21 + let _8: u32; // in scope 0 at $DIR/exponential-or.rs:8:57: 8:78 + let mut _9: u32; // in scope 0 at $DIR/exponential-or.rs:8:83: 8:84 + let mut _10: u32; // in scope 0 at $DIR/exponential-or.rs:8:87: 8:88 + scope 1 { + debug y => _7; // in scope 1 at $DIR/exponential-or.rs:8:10: 8:21 + debug z => _8; // in scope 1 at $DIR/exponential-or.rs:8:57: 8:78 + } + + bb0: { + FakeRead(ForMatchedPlace, _1); // bb0[0]: scope 0 at $DIR/exponential-or.rs:7:11: 7:12 + switchInt((_1.0: u32)) -> [1u32: bb2, 4u32: bb2, otherwise: bb1]; // bb0[1]: scope 0 at $DIR/exponential-or.rs:8:15: 8:16 + } + + bb1: { + _0 = const 0u32; // bb1[0]: scope 0 at $DIR/exponential-or.rs:9:14: 9:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/exponential-or.rs:9:14: 9:15 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + goto -> bb10; // bb1[1]: scope 0 at $DIR/exponential-or.rs:7:5: 10:6 + } + + bb2: { + _2 = discriminant((_1.2: std::option::Option)); // bb2[0]: scope 0 at $DIR/exponential-or.rs:8:37: 8:48 + switchInt(move _2) -> [0isize: bb4, 1isize: bb3, otherwise: bb1]; // bb2[1]: scope 0 at $DIR/exponential-or.rs:8:37: 8:48 + } + + bb3: { + switchInt((((_1.2: std::option::Option) as Some).0: i32)) -> [1i32: bb4, 8i32: bb4, otherwise: bb1]; // bb3[0]: scope 0 at $DIR/exponential-or.rs:8:42: 8:43 + } + + bb4: { + _5 = Le(const 6u32, (_1.3: u32)); // bb4[0]: scope 0 at $DIR/exponential-or.rs:8:62: 8:67 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000006)) + // mir::Constant + // + span: $DIR/exponential-or.rs:8:62: 8:67 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000006)) } + switchInt(move _5) -> [false: bb6, otherwise: bb5]; // bb4[1]: scope 0 at $DIR/exponential-or.rs:8:62: 8:67 + } + + bb5: { + _6 = Le((_1.3: u32), const 9u32); // bb5[0]: scope 0 at $DIR/exponential-or.rs:8:62: 8:67 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000009)) + // mir::Constant + // + span: $DIR/exponential-or.rs:8:62: 8:67 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000009)) } + switchInt(move _6) -> [false: bb6, otherwise: bb8]; // bb5[1]: scope 0 at $DIR/exponential-or.rs:8:62: 8:67 + } + + bb6: { + _3 = Le(const 13u32, (_1.3: u32)); // bb6[0]: scope 0 at $DIR/exponential-or.rs:8:70: 8:77 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000000d)) + // mir::Constant + // + span: $DIR/exponential-or.rs:8:70: 8:77 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000000d)) } + switchInt(move _3) -> [false: bb1, otherwise: bb7]; // bb6[1]: scope 0 at $DIR/exponential-or.rs:8:70: 8:77 + } + + bb7: { + _4 = Le((_1.3: u32), const 16u32); // bb7[0]: scope 0 at $DIR/exponential-or.rs:8:70: 8:77 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000010)) + // mir::Constant + // + span: $DIR/exponential-or.rs:8:70: 8:77 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000010)) } + switchInt(move _4) -> [false: bb1, otherwise: bb8]; // bb7[1]: scope 0 at $DIR/exponential-or.rs:8:70: 8:77 + } + + bb8: { + falseEdges -> [real: bb9, imaginary: bb1]; // bb8[0]: scope 0 at $DIR/exponential-or.rs:8:9: 8:79 + } + + bb9: { + StorageLive(_7); // bb9[0]: scope 0 at $DIR/exponential-or.rs:8:10: 8:21 + _7 = (_1.0: u32); // bb9[1]: scope 0 at $DIR/exponential-or.rs:8:10: 8:21 + StorageLive(_8); // bb9[2]: scope 0 at $DIR/exponential-or.rs:8:57: 8:78 + _8 = (_1.3: u32); // bb9[3]: scope 0 at $DIR/exponential-or.rs:8:57: 8:78 + StorageLive(_9); // bb9[4]: scope 1 at $DIR/exponential-or.rs:8:83: 8:84 + _9 = _7; // bb9[5]: scope 1 at $DIR/exponential-or.rs:8:83: 8:84 + StorageLive(_10); // bb9[6]: scope 1 at $DIR/exponential-or.rs:8:87: 8:88 + _10 = _8; // bb9[7]: scope 1 at $DIR/exponential-or.rs:8:87: 8:88 + _0 = BitXor(move _9, move _10); // bb9[8]: scope 1 at $DIR/exponential-or.rs:8:83: 8:88 + StorageDead(_10); // bb9[9]: scope 1 at $DIR/exponential-or.rs:8:87: 8:88 + StorageDead(_9); // bb9[10]: scope 1 at $DIR/exponential-or.rs:8:87: 8:88 + StorageDead(_8); // bb9[11]: scope 0 at $DIR/exponential-or.rs:8:88: 8:89 + StorageDead(_7); // bb9[12]: scope 0 at $DIR/exponential-or.rs:8:88: 8:89 + goto -> bb10; // bb9[13]: scope 0 at $DIR/exponential-or.rs:7:5: 10:6 + } + + bb10: { + return; // bb10[0]: scope 0 at $DIR/exponential-or.rs:11:2: 11:2 + } +} diff --git a/src/test/mir-opt/generator-drop-cleanup.rs b/src/test/mir-opt/generator-drop-cleanup.rs index 278dc49c92605..1c3025d5e3faf 100644 --- a/src/test/mir-opt/generator-drop-cleanup.rs +++ b/src/test/mir-opt/generator-drop-cleanup.rs @@ -3,45 +3,9 @@ // Regression test for #58892, generator drop shims should not have blocks // spuriously marked as cleanup +// EMIT_MIR rustc.main-{{closure}}.generator_drop.0.mir fn main() { let gen = || { yield; }; } - -// END RUST SOURCE - -// START rustc.main-{{closure}}.generator_drop.0.mir -// bb0: { -// _7 = discriminant((*_1)); -// switchInt(move _7) -> [0u32: bb4, 3u32: bb7, otherwise: bb8]; -// } -// bb1: { -// StorageDead(_4); -// StorageDead(_3); -// goto -> bb5; -// } -// bb2: { -// return; -// } -// bb3: { -// return; -// } -// bb4: { -// goto -> bb6; -// } -// bb5: { -// goto -> bb2; -// } -// bb6: { -// goto -> bb3; -// } -// bb7: { -// StorageLive(_3); -// StorageLive(_4); -// goto -> bb1; -// } -// bb8: { -// return; -// } -// END rustc.main-{{closure}}.generator_drop.0.mir diff --git a/src/test/mir-opt/generator-drop-cleanup/rustc.main-{{closure}}.generator_drop.0.mir b/src/test/mir-opt/generator-drop-cleanup/rustc.main-{{closure}}.generator_drop.0.mir new file mode 100644 index 0000000000000..05ed0a641afe3 --- /dev/null +++ b/src/test/mir-opt/generator-drop-cleanup/rustc.main-{{closure}}.generator_drop.0.mir @@ -0,0 +1,53 @@ +// MIR for `main::{{closure}}#0` 0 generator_drop +// generator_layout = GeneratorLayout { field_tys: [], variant_fields: [[], [], [], []], storage_conflicts: BitMatrix { num_rows: 0, num_columns: 0, words: [], marker: PhantomData } } + +fn main::{{closure}}#0(_1: *mut [generator@$DIR/generator-drop-cleanup.rs:8:15: 10:6 {()}]) -> () { + let mut _0: (); // return place in scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + let mut _2: (); // in scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + let _3: (); // in scope 0 at $DIR/generator-drop-cleanup.rs:9:9: 9:14 + let mut _4: (); // in scope 0 at $DIR/generator-drop-cleanup.rs:9:9: 9:14 + let mut _5: (); // in scope 0 at $DIR/generator-drop-cleanup.rs:8:18: 8:18 + let mut _6: (); // in scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + let mut _7: isize; // in scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + + bb0: { + _7 = discriminant((*_1)); // bb0[0]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + switchInt(move _7) -> [0u32: bb4, 3u32: bb7, otherwise: bb8]; // bb0[1]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + } + + bb1: { + StorageDead(_4); // bb1[0]: scope 0 at $DIR/generator-drop-cleanup.rs:9:13: 9:14 + StorageDead(_3); // bb1[1]: scope 0 at $DIR/generator-drop-cleanup.rs:9:14: 9:15 + goto -> bb5; // bb1[2]: scope 0 at $DIR/generator-drop-cleanup.rs:10:5: 10:6 + } + + bb2: { + return; // bb2[0]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + } + + bb3: { + return; // bb3[0]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + } + + bb4: { + goto -> bb6; // bb4[0]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + } + + bb5: { + goto -> bb2; // bb5[0]: scope 0 at $DIR/generator-drop-cleanup.rs:10:5: 10:6 + } + + bb6: { + goto -> bb3; // bb6[0]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + } + + bb7: { + StorageLive(_3); // bb7[0]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + StorageLive(_4); // bb7[1]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + goto -> bb1; // bb7[2]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + } + + bb8: { + return; // bb8[0]: scope 0 at $DIR/generator-drop-cleanup.rs:8:15: 10:6 + } +} diff --git a/src/test/mir-opt/generator-storage-dead-unwind.rs b/src/test/mir-opt/generator-storage-dead-unwind.rs index 82b216a99cf55..abfb39c77d6e9 100644 --- a/src/test/mir-opt/generator-storage-dead-unwind.rs +++ b/src/test/mir-opt/generator-storage-dead-unwind.rs @@ -17,6 +17,7 @@ struct Bar(i32); fn take(_x: T) {} +// EMIT_MIR rustc.main-{{closure}}.StateTransform.before.mir fn main() { let _gen = || { let a = Foo(5); @@ -26,89 +27,3 @@ fn main() { take(b); }; } - -// END RUST SOURCE - -// START rustc.main-{{closure}}.StateTransform.before.mir -// ... -// let _3: Foo; -// ... -// let mut _8: Foo; -// ... -// let mut _10: Bar; -// scope 1 { -// debug a => _3; -// let _4: Bar; -// scope 2 { -// debug b => _4; -// } -// } -// bb0: { -// StorageLive(_3); -// _3 = Foo(const 5i32,); -// StorageLive(_4); -// _4 = Bar(const 6i32,); -// ... -// _5 = yield(move _6) -> [resume: bb2, drop: bb4]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// ... -// StorageLive(_7); -// StorageLive(_8); -// _8 = move _3; -// _7 = const take::(move _8) -> [return: bb7, unwind: bb9]; -// } -// bb3 (cleanup): { -// StorageDead(_3); -// drop(_1) -> bb1; -// } -// bb4: { -// ... -// StorageDead(_4); -// drop(_3) -> [return: bb5, unwind: bb3]; -// } -// bb5: { -// StorageDead(_3); -// drop(_1) -> [return: bb6, unwind: bb1]; -// } -// bb6: { -// generator_drop; -// } -// bb7: { -// StorageDead(_8); -// StorageDead(_7); -// StorageLive(_9); -// StorageLive(_10); -// _10 = move _4; -// _9 = const take::(move _10) -> [return: bb10, unwind: bb11]; -// } -// bb8 (cleanup): { -// StorageDead(_4); -// StorageDead(_3); -// drop(_1) -> bb1; -// } -// bb9 (cleanup): { -// StorageDead(_8); -// StorageDead(_7); -// goto -> bb8; -// } -// bb10: { -// StorageDead(_10); -// StorageDead(_9); -// ... -// StorageDead(_4); -// StorageDead(_3); -// drop(_1) -> [return: bb12, unwind: bb1]; -// } -// bb11 (cleanup): { -// StorageDead(_10); -// StorageDead(_9); -// goto -> bb8; -// } -// bb12: { -// return; -// } -// END rustc.main-{{closure}}.StateTransform.before.mir diff --git a/src/test/mir-opt/generator-storage-dead-unwind/rustc.main-{{closure}}.StateTransform.before.mir b/src/test/mir-opt/generator-storage-dead-unwind/rustc.main-{{closure}}.StateTransform.before.mir new file mode 100644 index 0000000000000..cc22982a5155f --- /dev/null +++ b/src/test/mir-opt/generator-storage-dead-unwind/rustc.main-{{closure}}.StateTransform.before.mir @@ -0,0 +1,130 @@ +// MIR for `main::{{closure}}#0` before StateTransform + +fn main::{{closure}}#0(_1: [generator@$DIR/generator-storage-dead-unwind.rs:22:16: 28:6 {Foo, Bar, ()}], _2: ()) -> () +yields () + { + let mut _0: (); // return place in scope 0 at $DIR/generator-storage-dead-unwind.rs:22:19: 22:19 + let _3: Foo; // in scope 0 at $DIR/generator-storage-dead-unwind.rs:23:13: 23:14 + let _5: (); // in scope 0 at $DIR/generator-storage-dead-unwind.rs:25:9: 25:14 + let mut _6: (); // in scope 0 at $DIR/generator-storage-dead-unwind.rs:25:9: 25:14 + let _7: (); // in scope 0 at $DIR/generator-storage-dead-unwind.rs:26:9: 26:16 + let mut _8: Foo; // in scope 0 at $DIR/generator-storage-dead-unwind.rs:26:14: 26:15 + let _9: (); // in scope 0 at $DIR/generator-storage-dead-unwind.rs:27:9: 27:16 + let mut _10: Bar; // in scope 0 at $DIR/generator-storage-dead-unwind.rs:27:14: 27:15 + scope 1 { + debug a => _3; // in scope 1 at $DIR/generator-storage-dead-unwind.rs:23:13: 23:14 + let _4: Bar; // in scope 1 at $DIR/generator-storage-dead-unwind.rs:24:13: 24:14 + scope 2 { + debug b => _4; // in scope 2 at $DIR/generator-storage-dead-unwind.rs:24:13: 24:14 + } + } + + bb0: { + StorageLive(_3); // bb0[0]: scope 0 at $DIR/generator-storage-dead-unwind.rs:23:13: 23:14 + _3 = Foo(const 5i32,); // bb0[1]: scope 0 at $DIR/generator-storage-dead-unwind.rs:23:17: 23:23 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000005)) + // mir::Constant + // + span: $DIR/generator-storage-dead-unwind.rs:23:21: 23:22 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000005)) } + StorageLive(_4); // bb0[2]: scope 1 at $DIR/generator-storage-dead-unwind.rs:24:13: 24:14 + _4 = Bar(const 6i32,); // bb0[3]: scope 1 at $DIR/generator-storage-dead-unwind.rs:24:17: 24:23 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000006)) + // mir::Constant + // + span: $DIR/generator-storage-dead-unwind.rs:24:21: 24:22 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000006)) } + StorageLive(_5); // bb0[4]: scope 2 at $DIR/generator-storage-dead-unwind.rs:25:9: 25:14 + StorageLive(_6); // bb0[5]: scope 2 at $DIR/generator-storage-dead-unwind.rs:25:9: 25:14 + _6 = (); // bb0[6]: scope 2 at $DIR/generator-storage-dead-unwind.rs:25:9: 25:14 + _5 = yield(move _6) -> [resume: bb2, drop: bb4]; // bb0[7]: scope 2 at $DIR/generator-storage-dead-unwind.rs:25:9: 25:14 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/generator-storage-dead-unwind.rs:22:16: 28:6 + } + + bb2: { + StorageDead(_6); // bb2[0]: scope 2 at $DIR/generator-storage-dead-unwind.rs:25:13: 25:14 + StorageDead(_5); // bb2[1]: scope 2 at $DIR/generator-storage-dead-unwind.rs:25:14: 25:15 + StorageLive(_7); // bb2[2]: scope 2 at $DIR/generator-storage-dead-unwind.rs:26:9: 26:16 + StorageLive(_8); // bb2[3]: scope 2 at $DIR/generator-storage-dead-unwind.rs:26:14: 26:15 + _8 = move _3; // bb2[4]: scope 2 at $DIR/generator-storage-dead-unwind.rs:26:14: 26:15 + _7 = const take::(move _8) -> [return: bb7, unwind: bb9]; // bb2[5]: scope 2 at $DIR/generator-storage-dead-unwind.rs:26:9: 26:16 + // ty::Const + // + ty: fn(Foo) {take::} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/generator-storage-dead-unwind.rs:26:9: 26:13 + // + literal: Const { ty: fn(Foo) {take::}, val: Value(Scalar()) } + } + + bb3 (cleanup): { + StorageDead(_3); // bb3[0]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + drop(_1) -> bb1; // bb3[1]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + } + + bb4: { + StorageDead(_6); // bb4[0]: scope 2 at $DIR/generator-storage-dead-unwind.rs:25:13: 25:14 + StorageDead(_5); // bb4[1]: scope 2 at $DIR/generator-storage-dead-unwind.rs:25:14: 25:15 + StorageDead(_4); // bb4[2]: scope 1 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + drop(_3) -> [return: bb5, unwind: bb3]; // bb4[3]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + } + + bb5: { + StorageDead(_3); // bb5[0]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + drop(_1) -> [return: bb6, unwind: bb1]; // bb5[1]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + } + + bb6: { + generator_drop; // bb6[0]: scope 0 at $DIR/generator-storage-dead-unwind.rs:22:16: 28:6 + } + + bb7: { + StorageDead(_8); // bb7[0]: scope 2 at $DIR/generator-storage-dead-unwind.rs:26:15: 26:16 + StorageDead(_7); // bb7[1]: scope 2 at $DIR/generator-storage-dead-unwind.rs:26:16: 26:17 + StorageLive(_9); // bb7[2]: scope 2 at $DIR/generator-storage-dead-unwind.rs:27:9: 27:16 + StorageLive(_10); // bb7[3]: scope 2 at $DIR/generator-storage-dead-unwind.rs:27:14: 27:15 + _10 = move _4; // bb7[4]: scope 2 at $DIR/generator-storage-dead-unwind.rs:27:14: 27:15 + _9 = const take::(move _10) -> [return: bb10, unwind: bb11]; // bb7[5]: scope 2 at $DIR/generator-storage-dead-unwind.rs:27:9: 27:16 + // ty::Const + // + ty: fn(Bar) {take::} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/generator-storage-dead-unwind.rs:27:9: 27:13 + // + literal: Const { ty: fn(Bar) {take::}, val: Value(Scalar()) } + } + + bb8 (cleanup): { + StorageDead(_4); // bb8[0]: scope 1 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + StorageDead(_3); // bb8[1]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + drop(_1) -> bb1; // bb8[2]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + } + + bb9 (cleanup): { + StorageDead(_8); // bb9[0]: scope 2 at $DIR/generator-storage-dead-unwind.rs:26:15: 26:16 + StorageDead(_7); // bb9[1]: scope 2 at $DIR/generator-storage-dead-unwind.rs:26:16: 26:17 + goto -> bb8; // bb9[2]: scope 2 at $DIR/generator-storage-dead-unwind.rs:1:1: 1:1 + } + + bb10: { + StorageDead(_10); // bb10[0]: scope 2 at $DIR/generator-storage-dead-unwind.rs:27:15: 27:16 + StorageDead(_9); // bb10[1]: scope 2 at $DIR/generator-storage-dead-unwind.rs:27:16: 27:17 + _0 = (); // bb10[2]: scope 0 at $DIR/generator-storage-dead-unwind.rs:22:19: 28:6 + StorageDead(_4); // bb10[3]: scope 1 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + StorageDead(_3); // bb10[4]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + drop(_1) -> [return: bb12, unwind: bb1]; // bb10[5]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:5: 28:6 + } + + bb11 (cleanup): { + StorageDead(_10); // bb11[0]: scope 2 at $DIR/generator-storage-dead-unwind.rs:27:15: 27:16 + StorageDead(_9); // bb11[1]: scope 2 at $DIR/generator-storage-dead-unwind.rs:27:16: 27:17 + goto -> bb8; // bb11[2]: scope 2 at $DIR/generator-storage-dead-unwind.rs:1:1: 1:1 + } + + bb12: { + return; // bb12[0]: scope 0 at $DIR/generator-storage-dead-unwind.rs:28:6: 28:6 + } +} diff --git a/src/test/mir-opt/generator-tiny.rs b/src/test/mir-opt/generator-tiny.rs index 09e943bd962e6..b537263dd1b72 100644 --- a/src/test/mir-opt/generator-tiny.rs +++ b/src/test/mir-opt/generator-tiny.rs @@ -13,6 +13,7 @@ impl Drop for HasDrop { fn callee() {} +// EMIT_MIR rustc.main-{{closure}}.generator_resume.0.mir fn main() { let _gen = |_x: u8| { let _d = HasDrop; @@ -22,13 +23,3 @@ fn main() { } }; } - -// END RUST SOURCE - -// START rustc.main-{{closure}}.generator_resume.0.mir -// bb0: { -// ... -// switchInt(move _11) -> [0u32: bb1, 3u32: bb5, otherwise: bb6]; -// } -// ... -// END rustc.main-{{closure}}.generator_resume.0.mir diff --git a/src/test/mir-opt/generator-tiny/rustc.main-{{closure}}.generator_resume.0.mir b/src/test/mir-opt/generator-tiny/rustc.main-{{closure}}.generator_resume.0.mir new file mode 100644 index 0000000000000..a79f0d53f3c6d --- /dev/null +++ b/src/test/mir-opt/generator-tiny/rustc.main-{{closure}}.generator_resume.0.mir @@ -0,0 +1,72 @@ +// MIR for `main::{{closure}}#0` 0 generator_resume +// generator_layout = GeneratorLayout { field_tys: [HasDrop], variant_fields: [[], [], [], [_0]], storage_conflicts: BitMatrix { num_rows: 1, num_columns: 1, words: [1], marker: PhantomData } } + +fn main::{{closure}}#0(_1: std::pin::Pin<&mut [generator@$DIR/generator-tiny.rs:18:16: 24:6 {u8, HasDrop, ()}]>, _2: u8) -> std::ops::GeneratorState<(), ()> { + debug _x => _10; // in scope 0 at $DIR/generator-tiny.rs:18:17: 18:19 + let mut _0: std::ops::GeneratorState<(), ()>; // return place in scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + let _3: HasDrop; // in scope 0 at $DIR/generator-tiny.rs:19:13: 19:15 + let mut _4: !; // in scope 0 at $DIR/generator-tiny.rs:20:9: 23:10 + let mut _5: (); // in scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + let _6: u8; // in scope 0 at $DIR/generator-tiny.rs:21:13: 21:18 + let mut _7: (); // in scope 0 at $DIR/generator-tiny.rs:21:13: 21:18 + let _8: (); // in scope 0 at $DIR/generator-tiny.rs:22:13: 22:21 + let mut _9: (); // in scope 0 at $DIR/generator-tiny.rs:18:25: 18:25 + let _10: u8; // in scope 0 at $DIR/generator-tiny.rs:18:17: 18:19 + let mut _11: isize; // in scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + scope 1 { + debug _d => (((*(_1.0: &mut [generator@$DIR/generator-tiny.rs:18:16: 24:6 {u8, HasDrop, ()}])) as variant#3).0: HasDrop); // in scope 1 at $DIR/generator-tiny.rs:19:13: 19:15 + } + + bb0: { + _11 = discriminant((*(_1.0: &mut [generator@$DIR/generator-tiny.rs:18:16: 24:6 {u8, HasDrop, ()}]))); // bb0[0]: scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + switchInt(move _11) -> [0u32: bb1, 3u32: bb5, otherwise: bb6]; // bb0[1]: scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + } + + bb1: { + _10 = move _2; // bb1[0]: scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + nop; // bb1[1]: scope 0 at $DIR/generator-tiny.rs:19:13: 19:15 + (((*(_1.0: &mut [generator@$DIR/generator-tiny.rs:18:16: 24:6 {u8, HasDrop, ()}])) as variant#3).0: HasDrop) = HasDrop; // bb1[2]: scope 0 at $DIR/generator-tiny.rs:19:18: 19:25 + StorageLive(_4); // bb1[3]: scope 1 at $DIR/generator-tiny.rs:20:9: 23:10 + goto -> bb2; // bb1[4]: scope 1 at $DIR/generator-tiny.rs:20:9: 23:10 + } + + bb2: { + StorageLive(_6); // bb2[0]: scope 1 at $DIR/generator-tiny.rs:21:13: 21:18 + StorageLive(_7); // bb2[1]: scope 1 at $DIR/generator-tiny.rs:21:13: 21:18 + _7 = (); // bb2[2]: scope 1 at $DIR/generator-tiny.rs:21:13: 21:18 + _0 = std::ops::GeneratorState::<(), ()>::Yielded(move _7,); // bb2[3]: scope 1 at $DIR/generator-tiny.rs:21:13: 21:18 + discriminant((*(_1.0: &mut [generator@$DIR/generator-tiny.rs:18:16: 24:6 {u8, HasDrop, ()}]))) = 3; // bb2[4]: scope 1 at $DIR/generator-tiny.rs:21:13: 21:18 + return; // bb2[5]: scope 1 at $DIR/generator-tiny.rs:21:13: 21:18 + } + + bb3: { + StorageDead(_7); // bb3[0]: scope 1 at $DIR/generator-tiny.rs:21:17: 21:18 + StorageDead(_6); // bb3[1]: scope 1 at $DIR/generator-tiny.rs:21:18: 21:19 + StorageLive(_8); // bb3[2]: scope 1 at $DIR/generator-tiny.rs:22:13: 22:21 + _8 = const callee() -> bb4; // bb3[3]: scope 1 at $DIR/generator-tiny.rs:22:13: 22:21 + // ty::Const + // + ty: fn() {callee} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/generator-tiny.rs:22:13: 22:19 + // + literal: Const { ty: fn() {callee}, val: Value(Scalar()) } + } + + bb4: { + StorageDead(_8); // bb4[0]: scope 1 at $DIR/generator-tiny.rs:22:21: 22:22 + _5 = (); // bb4[1]: scope 1 at $DIR/generator-tiny.rs:20:14: 23:10 + goto -> bb2; // bb4[2]: scope 1 at $DIR/generator-tiny.rs:20:9: 23:10 + } + + bb5: { + StorageLive(_4); // bb5[0]: scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + StorageLive(_6); // bb5[1]: scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + StorageLive(_7); // bb5[2]: scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + _6 = move _2; // bb5[3]: scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + goto -> bb3; // bb5[4]: scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + } + + bb6: { + unreachable; // bb6[0]: scope 0 at $DIR/generator-tiny.rs:18:16: 24:6 + } +} diff --git a/src/test/mir-opt/graphviz.rs b/src/test/mir-opt/graphviz.rs index fcbb189c1117b..b1c0f0dd3c830 100644 --- a/src/test/mir-opt/graphviz.rs +++ b/src/test/mir-opt/graphviz.rs @@ -1,20 +1,5 @@ // Test graphviz output // compile-flags: -Z dump-mir-graphviz -// ignore-tidy-linelength - +// EMIT_MIR rustc.main.mir_map.0.dot fn main() {} - -// END RUST SOURCE -// START rustc.main.mir_map.0.dot -// digraph Mir_0_3 { // The name here MUST be an ASCII identifier. -// graph [fontname="monospace"]; -// node [fontname="monospace"]; -// edge [fontname="monospace"]; -// label=>; -// bb0__0_3 [shape="none", label=<
0
_0 = ()
goto
>]; -// bb1__0_3 [shape="none", label=<
1
resume
>]; -// bb2__0_3 [shape="none", label=<
2
return
>]; -// bb0__0_3 -> bb2__0_3 [label=""]; -// } -// END rustc.main.mir_map.0.dot diff --git a/src/test/mir-opt/graphviz/rustc.main.mir_map.0.dot b/src/test/mir-opt/graphviz/rustc.main.mir_map.0.dot new file mode 100644 index 0000000000000..2caef3459b85d --- /dev/null +++ b/src/test/mir-opt/graphviz/rustc.main.mir_map.0.dot @@ -0,0 +1,10 @@ +digraph Mir_0_3 { + graph [fontname="monospace"]; + node [fontname="monospace"]; + edge [fontname="monospace"]; + label=>; + bb0__0_3 [shape="none", label=<
0
_0 = ()
goto
>]; + bb1__0_3 [shape="none", label=<
1
resume
>]; + bb2__0_3 [shape="none", label=<
2
return
>]; + bb0__0_3 -> bb2__0_3 [label=""]; +} diff --git a/src/test/mir-opt/inline/inline-any-operand.rs b/src/test/mir-opt/inline/inline-any-operand.rs index b545500371936..2edde12d72e0b 100644 --- a/src/test/mir-opt/inline/inline-any-operand.rs +++ b/src/test/mir-opt/inline/inline-any-operand.rs @@ -6,6 +6,7 @@ fn main() { println!("{}", bar()); } +// EMIT_MIR rustc.bar.Inline.after.mir fn bar() -> bool { let f = foo; f(1, -1) @@ -15,15 +16,3 @@ fn bar() -> bool { fn foo(x: i32, y: i32) -> bool { x == y } - -// END RUST SOURCE -// START rustc.bar.Inline.after.mir -// ... -// bb0: { -// ... -// _0 = Eq(move _3, move _4); -// ... -// return; -// } -// ... -// END rustc.bar.Inline.after.mir diff --git a/src/test/mir-opt/inline/inline-any-operand/rustc.bar.Inline.after.mir b/src/test/mir-opt/inline/inline-any-operand/rustc.bar.Inline.after.mir new file mode 100644 index 0000000000000..058d9e70d2606 --- /dev/null +++ b/src/test/mir-opt/inline/inline-any-operand/rustc.bar.Inline.after.mir @@ -0,0 +1,47 @@ +// MIR for `bar` after Inline + +fn bar() -> bool { + let mut _0: bool; // return place in scope 0 at $DIR/inline-any-operand.rs:10:13: 10:17 + let _1: fn(i32, i32) -> bool {foo}; // in scope 0 at $DIR/inline-any-operand.rs:11:9: 11:10 + let mut _2: fn(i32, i32) -> bool {foo}; // in scope 0 at $DIR/inline-any-operand.rs:12:5: 12:6 + let mut _3: i32; // in scope 0 at $DIR/inline-any-operand.rs:12:5: 12:13 + let mut _4: i32; // in scope 0 at $DIR/inline-any-operand.rs:12:5: 12:13 + scope 1 { + debug f => _1; // in scope 1 at $DIR/inline-any-operand.rs:11:9: 11:10 + scope 2 { + debug x => _3; // in scope 2 at $DIR/inline-any-operand.rs:16:8: 16:9 + debug y => _4; // in scope 2 at $DIR/inline-any-operand.rs:16:16: 16:17 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/inline-any-operand.rs:11:9: 11:10 + _1 = const foo; // bb0[1]: scope 0 at $DIR/inline-any-operand.rs:11:13: 11:16 + // ty::Const + // + ty: fn(i32, i32) -> bool {foo} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/inline-any-operand.rs:11:13: 11:16 + // + literal: Const { ty: fn(i32, i32) -> bool {foo}, val: Value(Scalar()) } + StorageLive(_2); // bb0[2]: scope 1 at $DIR/inline-any-operand.rs:12:5: 12:6 + _2 = _1; // bb0[3]: scope 1 at $DIR/inline-any-operand.rs:12:5: 12:6 + _3 = const 1i32; // bb0[4]: scope 1 at $DIR/inline-any-operand.rs:12:5: 12:13 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/inline-any-operand.rs:12:7: 12:8 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + _4 = const -1i32; // bb0[5]: scope 1 at $DIR/inline-any-operand.rs:12:5: 12:13 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0xffffffff)) + // mir::Constant + // + span: $DIR/inline-any-operand.rs:12:10: 12:12 + // + literal: Const { ty: i32, val: Value(Scalar(0xffffffff)) } + _0 = Eq(move _3, move _4); // bb0[6]: scope 2 at $DIR/inline-any-operand.rs:17:5: 17:11 + StorageDead(_2); // bb0[7]: scope 1 at $DIR/inline-any-operand.rs:12:12: 12:13 + StorageDead(_1); // bb0[8]: scope 0 at $DIR/inline-any-operand.rs:13:1: 13:2 + return; // bb0[9]: scope 0 at $DIR/inline-any-operand.rs:13:2: 13:2 + } +} diff --git a/src/test/mir-opt/inline/inline-closure-borrows-arg.rs b/src/test/mir-opt/inline/inline-closure-borrows-arg.rs index 768f495322809..a82a91945d862 100644 --- a/src/test/mir-opt/inline/inline-closure-borrows-arg.rs +++ b/src/test/mir-opt/inline/inline-closure-borrows-arg.rs @@ -7,6 +7,7 @@ fn main() { println!("{}", foo(0, &14)); } +// EMIT_MIR rustc.foo.Inline.after.mir fn foo(_t: T, q: &i32) -> i32 { let x = |r: &i32, _s: &i32| { let variable = &*r; @@ -14,46 +15,3 @@ fn foo(_t: T, q: &i32) -> i32 { }; x(q, q) } - -// END RUST SOURCE -// START rustc.foo.Inline.after.mir -// fn foo(_1: T, _2: &i32) -> i32{ -// debug _t => _1; -// debug q => _2; -// let mut _0: i32; -// let _3: [closure@foo::{{closure}}#0]; -// let mut _4: &[closure@foo::{{closure}}#0]; -// let mut _5: (&i32, &i32); -// let mut _6: &i32; -// let mut _7: &i32; -// let mut _8: &i32; -// let mut _9: &i32; -// scope 1 { -// debug x => _3; -// scope 2 { -// debug r => _8; -// debug _s => _9; -// } -// } -// scope 3 { -// debug variable => _8; -// } -// bb0: { -// ... -// _3 = [closure@foo::::{{closure}}#0]; -// ... -// _4 = &_3; -// ... -// _6 = &(*_2); -// ... -// _7 = &(*_2); -// _5 = (move _6, move _7); -// _8 = move (_5.0: &i32); -// _9 = move (_5.1: &i32); -// ... -// _0 = (*_8); -// ... -// return; -// } -// } -// END rustc.foo.Inline.after.mir diff --git a/src/test/mir-opt/inline/inline-closure-borrows-arg/rustc.foo.Inline.after.mir b/src/test/mir-opt/inline/inline-closure-borrows-arg/rustc.foo.Inline.after.mir new file mode 100644 index 0000000000000..a8e846d11817e --- /dev/null +++ b/src/test/mir-opt/inline/inline-closure-borrows-arg/rustc.foo.Inline.after.mir @@ -0,0 +1,54 @@ +// MIR for `foo` after Inline + +fn foo(_1: T, _2: &i32) -> i32 { + debug _t => _1; // in scope 0 at $DIR/inline-closure-borrows-arg.rs:11:17: 11:19 + debug q => _2; // in scope 0 at $DIR/inline-closure-borrows-arg.rs:11:24: 11:25 + let mut _0: i32; // return place in scope 0 at $DIR/inline-closure-borrows-arg.rs:11:36: 11:39 + let _3: [closure@foo::{{closure}}#0]; // in scope 0 at $DIR/inline-closure-borrows-arg.rs:12:9: 12:10 + let mut _4: &[closure@foo::{{closure}}#0]; // in scope 0 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:6 + let mut _5: (&i32, &i32); // in scope 0 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:12 + let mut _6: &i32; // in scope 0 at $DIR/inline-closure-borrows-arg.rs:16:7: 16:8 + let mut _7: &i32; // in scope 0 at $DIR/inline-closure-borrows-arg.rs:16:10: 16:11 + let mut _8: &i32; // in scope 0 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:12 + let mut _9: &i32; // in scope 0 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:12 + scope 1 { + debug x => _3; // in scope 1 at $DIR/inline-closure-borrows-arg.rs:12:9: 12:10 + scope 2 { + debug r => _8; // in scope 2 at $DIR/inline-closure-borrows-arg.rs:12:14: 12:15 + debug _s => _9; // in scope 2 at $DIR/inline-closure-borrows-arg.rs:12:23: 12:25 + } + } + scope 3 { + debug variable => _8; // in scope 3 at $DIR/inline-closure-borrows-arg.rs:13:13: 13:21 + } + + bb0: { + StorageLive(_3); // bb0[0]: scope 0 at $DIR/inline-closure-borrows-arg.rs:12:9: 12:10 + _3 = [closure@foo::::{{closure}}#0]; // bb0[1]: scope 0 at $DIR/inline-closure-borrows-arg.rs:12:13: 15:6 + // closure + // + def_id: DefId(0:6 ~ inline_closure_borrows_arg[317d]::foo[0]::{{closure}}[0]) + // + substs: [ + // T, + // i8, + // for<'r, 's> extern "rust-call" fn((&'r i32, &'s i32)) -> i32, + // (), + // ] + StorageLive(_4); // bb0[2]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:6 + _4 = &_3; // bb0[3]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:6 + StorageLive(_5); // bb0[4]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:12 + StorageLive(_6); // bb0[5]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:7: 16:8 + _6 = &(*_2); // bb0[6]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:7: 16:8 + StorageLive(_7); // bb0[7]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:10: 16:11 + _7 = &(*_2); // bb0[8]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:10: 16:11 + _5 = (move _6, move _7); // bb0[9]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:12 + _8 = move (_5.0: &i32); // bb0[10]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:12 + _9 = move (_5.1: &i32); // bb0[11]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:5: 16:12 + _0 = (*_8); // bb0[12]: scope 3 at $DIR/inline-closure-borrows-arg.rs:14:9: 14:18 + StorageDead(_7); // bb0[13]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:11: 16:12 + StorageDead(_6); // bb0[14]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:11: 16:12 + StorageDead(_5); // bb0[15]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:11: 16:12 + StorageDead(_4); // bb0[16]: scope 1 at $DIR/inline-closure-borrows-arg.rs:16:11: 16:12 + StorageDead(_3); // bb0[17]: scope 0 at $DIR/inline-closure-borrows-arg.rs:17:1: 17:2 + return; // bb0[18]: scope 0 at $DIR/inline-closure-borrows-arg.rs:17:2: 17:2 + } +} diff --git a/src/test/mir-opt/inline/inline-closure-captures.rs b/src/test/mir-opt/inline/inline-closure-captures.rs index e000a418d90c7..4a0aad9b0e699 100644 --- a/src/test/mir-opt/inline/inline-closure-captures.rs +++ b/src/test/mir-opt/inline/inline-closure-captures.rs @@ -6,55 +6,8 @@ fn main() { println!("{:?}", foo(0, 14)); } +// EMIT_MIR rustc.foo.Inline.after.mir fn foo(t: T, q: i32) -> (i32, T) { let x = |_q| (q, t); x(q) } - -// END RUST SOURCE -// START rustc.foo.Inline.after.mir -// fn foo(_1: T, _2: i32) -> (i32, T){ -// debug t => _1; -// debug q => _2; -// let mut _0: (i32, T); -// let _3: [closure@foo::{{closure}}#0 q:&i32, t:&T]; -// let mut _4: &i32; -// let mut _5: &T; -// let mut _6: &[closure@foo::{{closure}}#0 q:&i32, t:&T]; -// let mut _7: (i32,); -// let mut _8: i32; -// let mut _11: i32; -// scope 1 { -// debug x => _3; -// scope 2 { -// debug _q => _11; -// debug q => (*((*_6).0: &i32)); -// debug t => (*((*_6).1: &T)); -// let mut _9: i32; -// let mut _10: T; -// } -// } -// bb0: { -// ... -// _4 = &_2; -// ... -// _5 = &_1; -// _3 = [closure@foo::::{{closure}}#0] { q: move _4, t: move _5 }; -// ... -// _6 = &_3; -// ... -// ... -// _8 = _2; -// _7 = (move _8,); -// _11 = move (_7.0: i32); -// ... -// _9 = (*((*_6).0: &i32)); -// ... -// _10 = (*((*_6).1: &T)); -// (_0.0: i32) = move _9; -// (_0.1: T) = move _10; -// ... -// return; -// } -// } -// END rustc.foo.Inline.after.mir diff --git a/src/test/mir-opt/inline/inline-closure-captures/rustc.foo.Inline.after.mir b/src/test/mir-opt/inline/inline-closure-captures/rustc.foo.Inline.after.mir new file mode 100644 index 0000000000000..8f7c5615662b3 --- /dev/null +++ b/src/test/mir-opt/inline/inline-closure-captures/rustc.foo.Inline.after.mir @@ -0,0 +1,63 @@ +// MIR for `foo` after Inline + +fn foo(_1: T, _2: i32) -> (i32, T) { + debug t => _1; // in scope 0 at $DIR/inline-closure-captures.rs:10:17: 10:18 + debug q => _2; // in scope 0 at $DIR/inline-closure-captures.rs:10:23: 10:24 + let mut _0: (i32, T); // return place in scope 0 at $DIR/inline-closure-captures.rs:10:34: 10:42 + let _3: [closure@foo::{{closure}}#0 q:&i32, t:&T]; // in scope 0 at $DIR/inline-closure-captures.rs:11:9: 11:10 + let mut _4: &i32; // in scope 0 at $DIR/inline-closure-captures.rs:11:13: 11:24 + let mut _5: &T; // in scope 0 at $DIR/inline-closure-captures.rs:11:13: 11:24 + let mut _6: &[closure@foo::{{closure}}#0 q:&i32, t:&T]; // in scope 0 at $DIR/inline-closure-captures.rs:12:5: 12:6 + let mut _7: (i32,); // in scope 0 at $DIR/inline-closure-captures.rs:12:5: 12:9 + let mut _8: i32; // in scope 0 at $DIR/inline-closure-captures.rs:12:7: 12:8 + let mut _11: i32; // in scope 0 at $DIR/inline-closure-captures.rs:12:5: 12:9 + scope 1 { + debug x => _3; // in scope 1 at $DIR/inline-closure-captures.rs:11:9: 11:10 + scope 2 { + debug _q => _11; // in scope 2 at $DIR/inline-closure-captures.rs:11:14: 11:16 + debug q => (*((*_6).0: &i32)); // in scope 2 at $DIR/inline-closure-captures.rs:10:23: 10:24 + debug t => (*((*_6).1: &T)); // in scope 2 at $DIR/inline-closure-captures.rs:10:17: 10:18 + let mut _9: i32; // in scope 2 at $DIR/inline-closure-captures.rs:12:5: 12:9 + let mut _10: T; // in scope 2 at $DIR/inline-closure-captures.rs:12:5: 12:9 + } + } + + bb0: { + StorageLive(_3); // bb0[0]: scope 0 at $DIR/inline-closure-captures.rs:11:9: 11:10 + StorageLive(_4); // bb0[1]: scope 0 at $DIR/inline-closure-captures.rs:11:13: 11:24 + _4 = &_2; // bb0[2]: scope 0 at $DIR/inline-closure-captures.rs:11:13: 11:24 + StorageLive(_5); // bb0[3]: scope 0 at $DIR/inline-closure-captures.rs:11:13: 11:24 + _5 = &_1; // bb0[4]: scope 0 at $DIR/inline-closure-captures.rs:11:13: 11:24 + _3 = [closure@foo::::{{closure}}#0] { q: move _4, t: move _5 }; // bb0[5]: scope 0 at $DIR/inline-closure-captures.rs:11:13: 11:24 + // closure + // + def_id: DefId(0:6 ~ inline_closure_captures[317d]::foo[0]::{{closure}}[0]) + // + substs: [ + // T, + // i8, + // extern "rust-call" fn((i32,)) -> (i32, T), + // (&i32, &T), + // ] + StorageDead(_5); // bb0[6]: scope 0 at $DIR/inline-closure-captures.rs:11:23: 11:24 + StorageDead(_4); // bb0[7]: scope 0 at $DIR/inline-closure-captures.rs:11:23: 11:24 + StorageLive(_6); // bb0[8]: scope 1 at $DIR/inline-closure-captures.rs:12:5: 12:6 + _6 = &_3; // bb0[9]: scope 1 at $DIR/inline-closure-captures.rs:12:5: 12:6 + StorageLive(_7); // bb0[10]: scope 1 at $DIR/inline-closure-captures.rs:12:5: 12:9 + StorageLive(_8); // bb0[11]: scope 1 at $DIR/inline-closure-captures.rs:12:7: 12:8 + _8 = _2; // bb0[12]: scope 1 at $DIR/inline-closure-captures.rs:12:7: 12:8 + _7 = (move _8,); // bb0[13]: scope 1 at $DIR/inline-closure-captures.rs:12:5: 12:9 + _11 = move (_7.0: i32); // bb0[14]: scope 1 at $DIR/inline-closure-captures.rs:12:5: 12:9 + StorageLive(_9); // bb0[15]: scope 2 at $DIR/inline-closure-captures.rs:11:19: 11:20 + _9 = (*((*_6).0: &i32)); // bb0[16]: scope 2 at $DIR/inline-closure-captures.rs:11:19: 11:20 + StorageLive(_10); // bb0[17]: scope 2 at $DIR/inline-closure-captures.rs:11:22: 11:23 + _10 = (*((*_6).1: &T)); // bb0[18]: scope 2 at $DIR/inline-closure-captures.rs:11:22: 11:23 + (_0.0: i32) = move _9; // bb0[19]: scope 2 at $DIR/inline-closure-captures.rs:11:18: 11:24 + (_0.1: T) = move _10; // bb0[20]: scope 2 at $DIR/inline-closure-captures.rs:11:18: 11:24 + StorageDead(_10); // bb0[21]: scope 2 at $DIR/inline-closure-captures.rs:11:23: 11:24 + StorageDead(_9); // bb0[22]: scope 2 at $DIR/inline-closure-captures.rs:11:23: 11:24 + StorageDead(_8); // bb0[23]: scope 1 at $DIR/inline-closure-captures.rs:12:8: 12:9 + StorageDead(_7); // bb0[24]: scope 1 at $DIR/inline-closure-captures.rs:12:8: 12:9 + StorageDead(_6); // bb0[25]: scope 1 at $DIR/inline-closure-captures.rs:12:8: 12:9 + StorageDead(_3); // bb0[26]: scope 0 at $DIR/inline-closure-captures.rs:13:1: 13:2 + return; // bb0[27]: scope 0 at $DIR/inline-closure-captures.rs:13:2: 13:2 + } +} diff --git a/src/test/mir-opt/inline/inline-closure.rs b/src/test/mir-opt/inline/inline-closure.rs index bd36e77818edc..77e424a2bb3f7 100644 --- a/src/test/mir-opt/inline/inline-closure.rs +++ b/src/test/mir-opt/inline/inline-closure.rs @@ -6,45 +6,8 @@ fn main() { println!("{}", foo(0, 14)); } +// EMIT_MIR rustc.foo.Inline.after.mir fn foo(_t: T, q: i32) -> i32 { let x = |_t, _q| _t; x(q, q) } - -// END RUST SOURCE -// START rustc.foo.Inline.after.mir -// fn foo(_1: T, _2: i32) -> i32{ -// debug _t => _1; -// debug q => _2; -// let mut _0: i32; -// let _3: [closure@foo::{{closure}}#0]; -// let mut _4: &[closure@foo::{{closure}}#0]; -// let mut _5: (i32, i32); -// let mut _6: i32; -// let mut _7: i32; -// let mut _8: i32; -// let mut _9: i32; -// scope 1 { -// debug x => _3; -// scope 2 { -// debug _t => _8; -// debug _q => _9; -// } -// } -// bb0: { -// ... -// _3 = [closure@foo::::{{closure}}#0]; -// ... -// _4 = &_3; -// ... -// _6 = _2; -// ... -// _7 = _2; -// _5 = (move _6, move _7); -// _8 = move (_5.0: i32); -// _9 = move (_5.1: i32); -// _0 = _8; -// ... -// return; -// } -// END rustc.foo.Inline.after.mir diff --git a/src/test/mir-opt/inline/inline-closure/rustc.foo.Inline.after.mir b/src/test/mir-opt/inline/inline-closure/rustc.foo.Inline.after.mir new file mode 100644 index 0000000000000..e31032e8c6999 --- /dev/null +++ b/src/test/mir-opt/inline/inline-closure/rustc.foo.Inline.after.mir @@ -0,0 +1,51 @@ +// MIR for `foo` after Inline + +fn foo(_1: T, _2: i32) -> i32 { + debug _t => _1; // in scope 0 at $DIR/inline-closure.rs:10:17: 10:19 + debug q => _2; // in scope 0 at $DIR/inline-closure.rs:10:24: 10:25 + let mut _0: i32; // return place in scope 0 at $DIR/inline-closure.rs:10:35: 10:38 + let _3: [closure@foo::{{closure}}#0]; // in scope 0 at $DIR/inline-closure.rs:11:9: 11:10 + let mut _4: &[closure@foo::{{closure}}#0]; // in scope 0 at $DIR/inline-closure.rs:12:5: 12:6 + let mut _5: (i32, i32); // in scope 0 at $DIR/inline-closure.rs:12:5: 12:12 + let mut _6: i32; // in scope 0 at $DIR/inline-closure.rs:12:7: 12:8 + let mut _7: i32; // in scope 0 at $DIR/inline-closure.rs:12:10: 12:11 + let mut _8: i32; // in scope 0 at $DIR/inline-closure.rs:12:5: 12:12 + let mut _9: i32; // in scope 0 at $DIR/inline-closure.rs:12:5: 12:12 + scope 1 { + debug x => _3; // in scope 1 at $DIR/inline-closure.rs:11:9: 11:10 + scope 2 { + debug _t => _8; // in scope 2 at $DIR/inline-closure.rs:11:14: 11:16 + debug _q => _9; // in scope 2 at $DIR/inline-closure.rs:11:18: 11:20 + } + } + + bb0: { + StorageLive(_3); // bb0[0]: scope 0 at $DIR/inline-closure.rs:11:9: 11:10 + _3 = [closure@foo::::{{closure}}#0]; // bb0[1]: scope 0 at $DIR/inline-closure.rs:11:13: 11:24 + // closure + // + def_id: DefId(0:6 ~ inline_closure[317d]::foo[0]::{{closure}}[0]) + // + substs: [ + // T, + // i8, + // extern "rust-call" fn((i32, i32)) -> i32, + // (), + // ] + StorageLive(_4); // bb0[2]: scope 1 at $DIR/inline-closure.rs:12:5: 12:6 + _4 = &_3; // bb0[3]: scope 1 at $DIR/inline-closure.rs:12:5: 12:6 + StorageLive(_5); // bb0[4]: scope 1 at $DIR/inline-closure.rs:12:5: 12:12 + StorageLive(_6); // bb0[5]: scope 1 at $DIR/inline-closure.rs:12:7: 12:8 + _6 = _2; // bb0[6]: scope 1 at $DIR/inline-closure.rs:12:7: 12:8 + StorageLive(_7); // bb0[7]: scope 1 at $DIR/inline-closure.rs:12:10: 12:11 + _7 = _2; // bb0[8]: scope 1 at $DIR/inline-closure.rs:12:10: 12:11 + _5 = (move _6, move _7); // bb0[9]: scope 1 at $DIR/inline-closure.rs:12:5: 12:12 + _8 = move (_5.0: i32); // bb0[10]: scope 1 at $DIR/inline-closure.rs:12:5: 12:12 + _9 = move (_5.1: i32); // bb0[11]: scope 1 at $DIR/inline-closure.rs:12:5: 12:12 + _0 = _8; // bb0[12]: scope 2 at $DIR/inline-closure.rs:11:22: 11:24 + StorageDead(_7); // bb0[13]: scope 1 at $DIR/inline-closure.rs:12:11: 12:12 + StorageDead(_6); // bb0[14]: scope 1 at $DIR/inline-closure.rs:12:11: 12:12 + StorageDead(_5); // bb0[15]: scope 1 at $DIR/inline-closure.rs:12:11: 12:12 + StorageDead(_4); // bb0[16]: scope 1 at $DIR/inline-closure.rs:12:11: 12:12 + StorageDead(_3); // bb0[17]: scope 0 at $DIR/inline-closure.rs:13:1: 13:2 + return; // bb0[18]: scope 0 at $DIR/inline-closure.rs:13:2: 13:2 + } +} diff --git a/src/test/mir-opt/inline/inline-into-box-place.rs b/src/test/mir-opt/inline/inline-into-box-place.rs index fcb7b4c4fe69d..d36d93cd01c12 100644 --- a/src/test/mir-opt/inline/inline-into-box-place.rs +++ b/src/test/mir-opt/inline/inline-into-box-place.rs @@ -1,73 +1,9 @@ -// ignore-tidy-linelength // ignore-wasm32-bare compiled with panic=abort by default // compile-flags: -Z mir-opt-level=3 // only-64bit FIXME: the mir representation of RawVec depends on ptr size #![feature(box_syntax)] +// EMIT_MIR rustc.main.Inline.diff fn main() { let _x: Box> = box Vec::new(); } - -// END RUST SOURCE -// START rustc.main.Inline.before.mir -// let mut _0: (); -// let _1: std::boxed::Box> as UserTypeProjection { base: UserType(0), projs: [] }; -// let mut _2: std::boxed::Box>; -// let mut _3: (); -// scope 1 { -// debug _x => _1; -// } -// bb0: { -// StorageLive(_1); -// StorageLive(_2); -// _2 = Box(std::vec::Vec); -// (*_2) = const std::vec::Vec::::new() -> [return: bb2, unwind: bb4]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// _1 = move _2; -// StorageDead(_2); -// _0 = (); -// drop(_1) -> [return: bb3, unwind: bb1]; -// } -// bb3: { -// StorageDead(_1); -// return; -// } -// bb4 (cleanup): { -// _3 = const alloc::alloc::box_free::>(move (_2.0: std::ptr::Unique>)) -> bb1; -// } -// END rustc.main.Inline.before.mir -// START rustc.main.Inline.after.mir -// let mut _0: (); -// let _1: std::boxed::Box> as UserTypeProjection { base: UserType(0), projs: [] }; -// let mut _2: std::boxed::Box>; -// let mut _3: (); -// let mut _4: &mut std::vec::Vec; -// scope 1 { -// debug _x => _1; -// } -// scope 2 { -// } -// bb0: { -// StorageLive(_1); -// StorageLive(_2); -// _2 = Box(std::vec::Vec); -// _4 = &mut (*_2); -// ((*_4).0: alloc::raw_vec::RawVec) = const ByRef { alloc: Allocation { bytes: [4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [65535], len: Size { raw: 16 } }, size: Size { raw: 16 }, align: Align { pow2: 3 }, mutability: Not, extra: () }, offset: Size { raw: 0 } }: alloc::raw_vec::RawVec::; -// ((*_4).1: usize) = const 0usize; -// _1 = move _2; -// StorageDead(_2); -// _0 = (); -// drop(_1) -> [return: bb2, unwind: bb1]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// StorageDead(_1); -// return; -// } -// END rustc.main.Inline.after.mir diff --git a/src/test/mir-opt/inline/inline-into-box-place/rustc.main.Inline.diff b/src/test/mir-opt/inline/inline-into-box-place/rustc.main.Inline.diff new file mode 100644 index 0000000000000..a0db20cbb743b --- /dev/null +++ b/src/test/mir-opt/inline/inline-into-box-place/rustc.main.Inline.diff @@ -0,0 +1,76 @@ +- // MIR for `main` before Inline ++ // MIR for `main` after Inline + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/inline-into-box-place.rs:7:11: 7:11 + let _1: std::boxed::Box> as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 0 at $DIR/inline-into-box-place.rs:8:9: 8:11 + let mut _2: std::boxed::Box>; // in scope 0 at $DIR/inline-into-box-place.rs:8:29: 8:43 + let mut _3: (); // in scope 0 at $DIR/inline-into-box-place.rs:8:42: 8:43 ++ let mut _4: &mut std::vec::Vec; // in scope 0 at $DIR/inline-into-box-place.rs:8:33: 8:43 + scope 1 { + debug _x => _1; // in scope 1 at $DIR/inline-into-box-place.rs:8:9: 8:11 + } ++ scope 2 { ++ } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/inline-into-box-place.rs:8:9: 8:11 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/inline-into-box-place.rs:8:29: 8:43 + _2 = Box(std::vec::Vec); // bb0[2]: scope 0 at $DIR/inline-into-box-place.rs:8:29: 8:43 +- (*_2) = const std::vec::Vec::::new() -> [return: bb2, unwind: bb4]; // bb0[3]: scope 0 at $DIR/inline-into-box-place.rs:8:33: 8:43 ++ _4 = &mut (*_2); // bb0[3]: scope 0 at $DIR/inline-into-box-place.rs:8:33: 8:43 ++ ((*_4).0: alloc::raw_vec::RawVec) = const ByRef { alloc: Allocation { bytes: [4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [65535], len: Size { raw: 16 } }, size: Size { raw: 16 }, align: Align { pow2: 3 }, mutability: Not, extra: () }, offset: Size { raw: 0 } }: alloc::raw_vec::RawVec::; // bb0[4]: scope 2 at $SRC_DIR/liballoc/vec.rs:LL:COL + // ty::Const +- // + ty: fn() -> std::vec::Vec {std::vec::Vec::::new} +- // + val: Value(Scalar()) ++ // + ty: alloc::raw_vec::RawVec ++ // + val: Value(ByRef { alloc: Allocation { bytes: [4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [65535], len: Size { raw: 16 } }, size: Size { raw: 16 }, align: Align { pow2: 3 }, mutability: Not, extra: () }, offset: Size { raw: 0 } }) + // mir::Constant +- // + span: $DIR/inline-into-box-place.rs:8:33: 8:41 +- // + user_ty: UserType(1) +- // + literal: Const { ty: fn() -> std::vec::Vec {std::vec::Vec::::new}, val: Value(Scalar()) } ++ // + span: $SRC_DIR/liballoc/vec.rs:LL:COL ++ // + user_ty: UserType(0) ++ // + literal: Const { ty: alloc::raw_vec::RawVec, val: Value(ByRef { alloc: Allocation { bytes: [4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [65535], len: Size { raw: 16 } }, size: Size { raw: 16 }, align: Align { pow2: 3 }, mutability: Not, extra: () }, offset: Size { raw: 0 } }) } ++ ((*_4).1: usize) = const 0usize; // bb0[5]: scope 2 at $SRC_DIR/liballoc/vec.rs:LL:COL ++ // ty::Const ++ // + ty: usize ++ // + val: Value(Scalar(0x0000000000000000)) ++ // mir::Constant ++ // + span: $SRC_DIR/liballoc/vec.rs:LL:COL ++ // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000000)) } ++ _1 = move _2; // bb0[6]: scope 0 at $DIR/inline-into-box-place.rs:8:29: 8:43 ++ StorageDead(_2); // bb0[7]: scope 0 at $DIR/inline-into-box-place.rs:8:42: 8:43 ++ _0 = (); // bb0[8]: scope 0 at $DIR/inline-into-box-place.rs:7:11: 9:2 ++ drop(_1) -> [return: bb2, unwind: bb1]; // bb0[9]: scope 0 at $DIR/inline-into-box-place.rs:9:1: 9:2 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/inline-into-box-place.rs:7:1: 9:2 + } + + bb2: { +- _1 = move _2; // bb2[0]: scope 0 at $DIR/inline-into-box-place.rs:8:29: 8:43 +- StorageDead(_2); // bb2[1]: scope 0 at $DIR/inline-into-box-place.rs:8:42: 8:43 +- _0 = (); // bb2[2]: scope 0 at $DIR/inline-into-box-place.rs:7:11: 9:2 +- drop(_1) -> [return: bb3, unwind: bb1]; // bb2[3]: scope 0 at $DIR/inline-into-box-place.rs:9:1: 9:2 +- } +- +- bb3: { +- StorageDead(_1); // bb3[0]: scope 0 at $DIR/inline-into-box-place.rs:9:1: 9:2 +- return; // bb3[1]: scope 0 at $DIR/inline-into-box-place.rs:9:2: 9:2 +- } +- +- bb4 (cleanup): { +- _3 = const alloc::alloc::box_free::>(move (_2.0: std::ptr::Unique>)) -> bb1; // bb4[0]: scope 0 at $DIR/inline-into-box-place.rs:8:42: 8:43 +- // ty::Const +- // + ty: unsafe fn(std::ptr::Unique>) {alloc::alloc::box_free::>} +- // + val: Value(Scalar()) +- // mir::Constant +- // + span: $DIR/inline-into-box-place.rs:8:42: 8:43 +- // + literal: Const { ty: unsafe fn(std::ptr::Unique>) {alloc::alloc::box_free::>}, val: Value(Scalar()) } ++ StorageDead(_1); // bb2[0]: scope 0 at $DIR/inline-into-box-place.rs:9:1: 9:2 ++ return; // bb2[1]: scope 0 at $DIR/inline-into-box-place.rs:9:2: 9:2 + } + } + diff --git a/src/test/mir-opt/inline/inline-retag.rs b/src/test/mir-opt/inline/inline-retag.rs index 7b78fc339f2c1..d7e425ec6586f 100644 --- a/src/test/mir-opt/inline/inline-retag.rs +++ b/src/test/mir-opt/inline/inline-retag.rs @@ -6,6 +6,7 @@ fn main() { println!("{}", bar()); } +// EMIT_MIR rustc.bar.Inline.after.mir fn bar() -> bool { let f = foo; f(&1, &-1) @@ -15,23 +16,3 @@ fn bar() -> bool { fn foo(x: &i32, y: &i32) -> bool { *x == *y } - -// END RUST SOURCE -// START rustc.bar.Inline.after.mir -// ... -// bb0: { -// ... -// Retag(_3); -// ... -// Retag(_3); -// Retag(_6); -// StorageLive(_11); -// _11 = (*_3); -// StorageLive(_12); -// _12 = (*_6); -// _0 = Eq(move _11, move _12); -// ... -// return; -// } -// ... -// END rustc.bar.Inline.after.mir diff --git a/src/test/mir-opt/inline/inline-retag/rustc.bar.Inline.after.mir b/src/test/mir-opt/inline/inline-retag/rustc.bar.Inline.after.mir new file mode 100644 index 0000000000000..ae2226bd183d0 --- /dev/null +++ b/src/test/mir-opt/inline/inline-retag/rustc.bar.Inline.after.mir @@ -0,0 +1,81 @@ +// MIR for `bar` after Inline + +fn bar() -> bool { + let mut _0: bool; // return place in scope 0 at $DIR/inline-retag.rs:10:13: 10:17 + let _1: for<'r, 's> fn(&'r i32, &'s i32) -> bool {foo}; // in scope 0 at $DIR/inline-retag.rs:11:9: 11:10 + let mut _2: for<'r, 's> fn(&'r i32, &'s i32) -> bool {foo}; // in scope 0 at $DIR/inline-retag.rs:12:5: 12:6 + let mut _3: &i32; // in scope 0 at $DIR/inline-retag.rs:12:7: 12:9 + let _4: &i32; // in scope 0 at $DIR/inline-retag.rs:12:7: 12:9 + let _5: i32; // in scope 0 at $DIR/inline-retag.rs:12:8: 12:9 + let mut _6: &i32; // in scope 0 at $DIR/inline-retag.rs:12:11: 12:14 + let _7: &i32; // in scope 0 at $DIR/inline-retag.rs:12:11: 12:14 + let _8: i32; // in scope 0 at $DIR/inline-retag.rs:12:12: 12:14 + scope 1 { + debug f => _1; // in scope 1 at $DIR/inline-retag.rs:11:9: 11:10 + let mut _9: &i32; // in scope 1 at $DIR/inline-retag.rs:12:11: 12:14 + let mut _10: &i32; // in scope 1 at $DIR/inline-retag.rs:12:7: 12:9 + scope 2 { + debug x => _3; // in scope 2 at $DIR/inline-retag.rs:16:8: 16:9 + debug y => _6; // in scope 2 at $DIR/inline-retag.rs:16:17: 16:18 + let mut _11: i32; // in scope 2 at $DIR/inline-retag.rs:12:5: 12:15 + let mut _12: i32; // in scope 2 at $DIR/inline-retag.rs:12:5: 12:15 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/inline-retag.rs:11:9: 11:10 + _1 = const foo; // bb0[1]: scope 0 at $DIR/inline-retag.rs:11:13: 11:16 + // ty::Const + // + ty: for<'r, 's> fn(&'r i32, &'s i32) -> bool {foo} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/inline-retag.rs:11:13: 11:16 + // + literal: Const { ty: for<'r, 's> fn(&'r i32, &'s i32) -> bool {foo}, val: Value(Scalar()) } + StorageLive(_2); // bb0[2]: scope 1 at $DIR/inline-retag.rs:12:5: 12:6 + _2 = _1; // bb0[3]: scope 1 at $DIR/inline-retag.rs:12:5: 12:6 + StorageLive(_3); // bb0[4]: scope 1 at $DIR/inline-retag.rs:12:7: 12:9 + StorageLive(_4); // bb0[5]: scope 1 at $DIR/inline-retag.rs:12:7: 12:9 + _10 = const bar::promoted[1]; // bb0[6]: scope 1 at $DIR/inline-retag.rs:12:7: 12:9 + // ty::Const + // + ty: &i32 + // + val: Unevaluated(DefId(0:4 ~ inline_retag[317d]::bar[0]), [], Some(promoted[1])) + // mir::Constant + // + span: $DIR/inline-retag.rs:12:7: 12:9 + // + literal: Const { ty: &i32, val: Unevaluated(DefId(0:4 ~ inline_retag[317d]::bar[0]), [], Some(promoted[1])) } + Retag(_10); // bb0[7]: scope 1 at $DIR/inline-retag.rs:12:7: 12:9 + _4 = &(*_10); // bb0[8]: scope 1 at $DIR/inline-retag.rs:12:7: 12:9 + Retag(_4); // bb0[9]: scope 1 at $DIR/inline-retag.rs:12:7: 12:9 + _3 = &(*_4); // bb0[10]: scope 1 at $DIR/inline-retag.rs:12:7: 12:9 + Retag(_3); // bb0[11]: scope 1 at $DIR/inline-retag.rs:12:7: 12:9 + StorageLive(_6); // bb0[12]: scope 1 at $DIR/inline-retag.rs:12:11: 12:14 + StorageLive(_7); // bb0[13]: scope 1 at $DIR/inline-retag.rs:12:11: 12:14 + _9 = const bar::promoted[0]; // bb0[14]: scope 1 at $DIR/inline-retag.rs:12:11: 12:14 + // ty::Const + // + ty: &i32 + // + val: Unevaluated(DefId(0:4 ~ inline_retag[317d]::bar[0]), [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/inline-retag.rs:12:11: 12:14 + // + literal: Const { ty: &i32, val: Unevaluated(DefId(0:4 ~ inline_retag[317d]::bar[0]), [], Some(promoted[0])) } + Retag(_9); // bb0[15]: scope 1 at $DIR/inline-retag.rs:12:11: 12:14 + _7 = &(*_9); // bb0[16]: scope 1 at $DIR/inline-retag.rs:12:11: 12:14 + Retag(_7); // bb0[17]: scope 1 at $DIR/inline-retag.rs:12:11: 12:14 + _6 = &(*_7); // bb0[18]: scope 1 at $DIR/inline-retag.rs:12:11: 12:14 + Retag(_6); // bb0[19]: scope 1 at $DIR/inline-retag.rs:12:11: 12:14 + Retag(_3); // bb0[20]: scope 2 at $DIR/inline-retag.rs:16:1: 18:2 + Retag(_6); // bb0[21]: scope 2 at $DIR/inline-retag.rs:16:1: 18:2 + StorageLive(_11); // bb0[22]: scope 2 at $DIR/inline-retag.rs:17:5: 17:7 + _11 = (*_3); // bb0[23]: scope 2 at $DIR/inline-retag.rs:17:5: 17:7 + StorageLive(_12); // bb0[24]: scope 2 at $DIR/inline-retag.rs:17:11: 17:13 + _12 = (*_6); // bb0[25]: scope 2 at $DIR/inline-retag.rs:17:11: 17:13 + _0 = Eq(move _11, move _12); // bb0[26]: scope 2 at $DIR/inline-retag.rs:17:5: 17:13 + StorageDead(_12); // bb0[27]: scope 2 at $DIR/inline-retag.rs:17:12: 17:13 + StorageDead(_11); // bb0[28]: scope 2 at $DIR/inline-retag.rs:17:12: 17:13 + StorageDead(_6); // bb0[29]: scope 1 at $DIR/inline-retag.rs:12:14: 12:15 + StorageDead(_3); // bb0[30]: scope 1 at $DIR/inline-retag.rs:12:14: 12:15 + StorageDead(_2); // bb0[31]: scope 1 at $DIR/inline-retag.rs:12:14: 12:15 + StorageDead(_1); // bb0[32]: scope 0 at $DIR/inline-retag.rs:13:1: 13:2 + StorageDead(_7); // bb0[33]: scope 0 at $DIR/inline-retag.rs:13:1: 13:2 + StorageDead(_4); // bb0[34]: scope 0 at $DIR/inline-retag.rs:13:1: 13:2 + return; // bb0[35]: scope 0 at $DIR/inline-retag.rs:13:2: 13:2 + } +} diff --git a/src/test/mir-opt/inline/inline-specialization.rs b/src/test/mir-opt/inline/inline-specialization.rs index 9591019bb4f70..fcdaca460a9de 100644 --- a/src/test/mir-opt/inline/inline-specialization.rs +++ b/src/test/mir-opt/inline/inline-specialization.rs @@ -1,5 +1,6 @@ #![feature(specialization)] +// EMIT_MIR rustc.main.Inline.diff fn main() { let x = as Foo>::bar(); } @@ -12,37 +13,3 @@ impl Foo for Vec { #[inline(always)] default fn bar() -> u32 { 123 } } - -// END RUST SOURCE -// START rustc.main.Inline.before.mir -// let mut _0: (); -// let _1: u32; -// scope 1 { -// debug x => _1; -// } -// bb0: { -// StorageLive(_1); -// _1 = const as Foo>::bar() -> bb1; -// } -// bb1: { -// _0 = (); -// StorageDead(_1); -// return; -// } -// END rustc.main.Inline.before.mir -// START rustc.main.Inline.after.mir -// let mut _0: (); -// let _1: u32; -// scope 1 { -// debug x => _1; -// } -// scope 2 { -// } -// bb0: { -// StorageLive(_1); -// _1 = const 123u32; -// _0 = (); -// StorageDead(_1); -// return; -// } -// END rustc.main.Inline.after.mir diff --git a/src/test/mir-opt/inline/inline-specialization/rustc.main.Inline.diff b/src/test/mir-opt/inline/inline-specialization/rustc.main.Inline.diff new file mode 100644 index 0000000000000..98d03b19977bb --- /dev/null +++ b/src/test/mir-opt/inline/inline-specialization/rustc.main.Inline.diff @@ -0,0 +1,38 @@ +- // MIR for `main` before Inline ++ // MIR for `main` after Inline + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/inline-specialization.rs:4:11: 4:11 + let _1: u32; // in scope 0 at $DIR/inline-specialization.rs:5:9: 5:10 + scope 1 { + debug x => _1; // in scope 1 at $DIR/inline-specialization.rs:5:9: 5:10 + } ++ scope 2 { ++ } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/inline-specialization.rs:5:9: 5:10 +- _1 = const as Foo>::bar() -> bb1; // bb0[1]: scope 0 at $DIR/inline-specialization.rs:5:13: 5:38 ++ _1 = const 123u32; // bb0[1]: scope 2 at $DIR/inline-specialization.rs:14:31: 14:34 + // ty::Const +- // + ty: fn() -> u32 { as Foo>::bar} +- // + val: Value(Scalar()) ++ // + ty: u32 ++ // + val: Value(Scalar(0x0000007b)) + // mir::Constant +- // + span: $DIR/inline-specialization.rs:5:13: 5:36 +- // + literal: Const { ty: fn() -> u32 { as Foo>::bar}, val: Value(Scalar()) } +- } +- +- bb1: { +- _0 = (); // bb1[0]: scope 0 at $DIR/inline-specialization.rs:4:11: 6:2 +- StorageDead(_1); // bb1[1]: scope 0 at $DIR/inline-specialization.rs:6:1: 6:2 +- return; // bb1[2]: scope 0 at $DIR/inline-specialization.rs:6:2: 6:2 ++ // + span: $DIR/inline-specialization.rs:14:31: 14:34 ++ // + literal: Const { ty: u32, val: Value(Scalar(0x0000007b)) } ++ _0 = (); // bb0[2]: scope 0 at $DIR/inline-specialization.rs:4:11: 6:2 ++ StorageDead(_1); // bb0[3]: scope 0 at $DIR/inline-specialization.rs:6:1: 6:2 ++ return; // bb0[4]: scope 0 at $DIR/inline-specialization.rs:6:2: 6:2 + } + } + diff --git a/src/test/mir-opt/inline/inline-trait-method.rs b/src/test/mir-opt/inline/inline-trait-method.rs index a2c5fb920cd30..cb3db9b559246 100644 --- a/src/test/mir-opt/inline/inline-trait-method.rs +++ b/src/test/mir-opt/inline/inline-trait-method.rs @@ -4,6 +4,7 @@ fn main() { println!("{}", test(&())); } +// EMIT_MIR rustc.test.Inline.after.mir fn test(x: &dyn X) -> u32 { x.y() } @@ -19,13 +20,3 @@ impl X for () { 2 } } - -// END RUST SOURCE -// START rustc.test.Inline.after.mir -// ... -// bb0: { -// ... -// _0 = const ::y(move _2) -> bb1; -// } -// ... -// END rustc.test.Inline.after.mir diff --git a/src/test/mir-opt/inline/inline-trait-method/rustc.test.Inline.after.mir b/src/test/mir-opt/inline/inline-trait-method/rustc.test.Inline.after.mir new file mode 100644 index 0000000000000..488303e09ef64 --- /dev/null +++ b/src/test/mir-opt/inline/inline-trait-method/rustc.test.Inline.after.mir @@ -0,0 +1,24 @@ +// MIR for `test` after Inline + +fn test(_1: &dyn X) -> u32 { + debug x => _1; // in scope 0 at $DIR/inline-trait-method.rs:8:9: 8:10 + let mut _0: u32; // return place in scope 0 at $DIR/inline-trait-method.rs:8:23: 8:26 + let mut _2: &dyn X; // in scope 0 at $DIR/inline-trait-method.rs:9:5: 9:6 + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/inline-trait-method.rs:9:5: 9:6 + _2 = &(*_1); // bb0[1]: scope 0 at $DIR/inline-trait-method.rs:9:5: 9:6 + _0 = const ::y(move _2) -> bb1; // bb0[2]: scope 0 at $DIR/inline-trait-method.rs:9:5: 9:10 + // ty::Const + // + ty: for<'r> fn(&'r dyn X) -> u32 {::y} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/inline-trait-method.rs:9:7: 9:8 + // + literal: Const { ty: for<'r> fn(&'r dyn X) -> u32 {::y}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_2); // bb1[0]: scope 0 at $DIR/inline-trait-method.rs:9:9: 9:10 + return; // bb1[1]: scope 0 at $DIR/inline-trait-method.rs:10:2: 10:2 + } +} diff --git a/src/test/mir-opt/inline/inline-trait-method_2.rs b/src/test/mir-opt/inline/inline-trait-method_2.rs index 4ad4311113a3a..e37f091c5cd2b 100644 --- a/src/test/mir-opt/inline/inline-trait-method_2.rs +++ b/src/test/mir-opt/inline/inline-trait-method_2.rs @@ -1,5 +1,6 @@ // compile-flags: -Z span_free_formats -Z mir-opt-level=3 +// EMIT_MIR rustc.test2.Inline.after.mir fn test2(x: &dyn X) -> bool { test(x) } @@ -24,13 +25,3 @@ impl X for () { fn main() { println!("Should be true: {}", test2(&())); } - -// END RUST SOURCE -// START rustc.test2.Inline.after.mir -// ... -// bb0: { -// ... -// _0 = const ::y(move _2) -> bb1; -// } -// ... -// END rustc.test2.Inline.after.mir diff --git a/src/test/mir-opt/inline/inline-trait-method_2/rustc.test2.Inline.after.mir b/src/test/mir-opt/inline/inline-trait-method_2/rustc.test2.Inline.after.mir new file mode 100644 index 0000000000000..aca47198aa953 --- /dev/null +++ b/src/test/mir-opt/inline/inline-trait-method_2/rustc.test2.Inline.after.mir @@ -0,0 +1,31 @@ +// MIR for `test2` after Inline + +fn test2(_1: &dyn X) -> bool { + debug x => _1; // in scope 0 at $DIR/inline-trait-method_2.rs:4:10: 4:11 + let mut _0: bool; // return place in scope 0 at $DIR/inline-trait-method_2.rs:4:24: 4:28 + let mut _2: &dyn X; // in scope 0 at $DIR/inline-trait-method_2.rs:5:10: 5:11 + let mut _3: &dyn X; // in scope 0 at $DIR/inline-trait-method_2.rs:5:10: 5:11 + scope 1 { + debug x => _2; // in scope 1 at $DIR/inline-trait-method_2.rs:9:9: 9:10 + } + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/inline-trait-method_2.rs:5:10: 5:11 + StorageLive(_3); // bb0[1]: scope 0 at $DIR/inline-trait-method_2.rs:5:10: 5:11 + _3 = &(*_1); // bb0[2]: scope 0 at $DIR/inline-trait-method_2.rs:5:10: 5:11 + _2 = move _3 as &dyn X (Pointer(Unsize)); // bb0[3]: scope 0 at $DIR/inline-trait-method_2.rs:5:10: 5:11 + StorageDead(_3); // bb0[4]: scope 0 at $DIR/inline-trait-method_2.rs:5:10: 5:11 + _0 = const ::y(move _2) -> bb1; // bb0[5]: scope 1 at $DIR/inline-trait-method_2.rs:10:5: 10:10 + // ty::Const + // + ty: for<'r> fn(&'r dyn X) -> bool {::y} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/inline-trait-method_2.rs:10:7: 10:8 + // + literal: Const { ty: for<'r> fn(&'r dyn X) -> bool {::y}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_2); // bb1[0]: scope 0 at $DIR/inline-trait-method_2.rs:5:11: 5:12 + return; // bb1[1]: scope 0 at $DIR/inline-trait-method_2.rs:6:2: 6:2 + } +} diff --git a/src/test/mir-opt/issue-38669.rs b/src/test/mir-opt/issue-38669.rs index d980cc891dc40..f6883ac80861e 100644 --- a/src/test/mir-opt/issue-38669.rs +++ b/src/test/mir-opt/issue-38669.rs @@ -1,5 +1,6 @@ // check that we don't StorageDead booleans before they are used +// EMIT_MIR rustc.main.SimplifyCfg-initial.after.mir fn main() { let mut should_break = false; loop { @@ -9,42 +10,3 @@ fn main() { should_break = true; } } - -// END RUST SOURCE -// START rustc.main.SimplifyCfg-initial.after.mir -// bb0: { -// StorageLive(_1); -// _1 = const false; -// FakeRead(ForLet, _1); -// goto -> bb2; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// falseUnwind -> [real: bb3, cleanup: bb1]; -// } -// bb3: { -// StorageLive(_3); -// StorageLive(_4); -// _4 = _1; -// FakeRead(ForMatchedPlace, _4); -// switchInt(_4) -> [false: bb5, otherwise: bb4]; -// } -// ... -// bb5: { -// _3 = (); -// StorageDead(_4); -// StorageDead(_3); -// _1 = const true; -// _2 = (); -// goto -> bb2; -// } -// bb6: { -// _0 = (); -// StorageDead(_4); -// StorageDead(_3); -// StorageDead(_1); -// return; -// } -// END rustc.main.SimplifyCfg-initial.after.mir diff --git a/src/test/mir-opt/issue-38669/rustc.main.SimplifyCfg-initial.after.mir b/src/test/mir-opt/issue-38669/rustc.main.SimplifyCfg-initial.after.mir new file mode 100644 index 0000000000000..5144cdd3dabf3 --- /dev/null +++ b/src/test/mir-opt/issue-38669/rustc.main.SimplifyCfg-initial.after.mir @@ -0,0 +1,69 @@ +// MIR for `main` after SimplifyCfg-initial + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue-38669.rs:4:11: 4:11 + let mut _1: bool; // in scope 0 at $DIR/issue-38669.rs:5:9: 5:25 + let mut _2: (); // in scope 0 at $DIR/issue-38669.rs:4:1: 12:2 + let _3: (); // in scope 0 at $DIR/issue-38669.rs:7:9: 9:10 + let mut _4: bool; // in scope 0 at $DIR/issue-38669.rs:7:12: 7:24 + let mut _5: !; // in scope 0 at $DIR/issue-38669.rs:7:25: 9:10 + scope 1 { + debug should_break => _1; // in scope 1 at $DIR/issue-38669.rs:5:9: 5:25 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/issue-38669.rs:5:9: 5:25 + _1 = const false; // bb0[1]: scope 0 at $DIR/issue-38669.rs:5:28: 5:33 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-38669.rs:5:28: 5:33 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + FakeRead(ForLet, _1); // bb0[2]: scope 0 at $DIR/issue-38669.rs:5:9: 5:25 + goto -> bb2; // bb0[3]: scope 1 at $DIR/issue-38669.rs:6:5: 11:6 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/issue-38669.rs:4:1: 12:2 + } + + bb2: { + falseUnwind -> [real: bb3, cleanup: bb1]; // bb2[0]: scope 1 at $DIR/issue-38669.rs:6:5: 11:6 + } + + bb3: { + StorageLive(_3); // bb3[0]: scope 1 at $DIR/issue-38669.rs:7:9: 9:10 + StorageLive(_4); // bb3[1]: scope 1 at $DIR/issue-38669.rs:7:12: 7:24 + _4 = _1; // bb3[2]: scope 1 at $DIR/issue-38669.rs:7:12: 7:24 + FakeRead(ForMatchedPlace, _4); // bb3[3]: scope 1 at $DIR/issue-38669.rs:7:12: 7:24 + switchInt(_4) -> [false: bb5, otherwise: bb4]; // bb3[4]: scope 1 at $DIR/issue-38669.rs:7:9: 9:10 + } + + bb4: { + falseEdges -> [real: bb6, imaginary: bb5]; // bb4[0]: scope 1 at $DIR/issue-38669.rs:7:9: 9:10 + } + + bb5: { + _3 = (); // bb5[0]: scope 1 at $DIR/issue-38669.rs:7:9: 9:10 + StorageDead(_4); // bb5[1]: scope 1 at $DIR/issue-38669.rs:9:9: 9:10 + StorageDead(_3); // bb5[2]: scope 1 at $DIR/issue-38669.rs:9:9: 9:10 + _1 = const true; // bb5[3]: scope 1 at $DIR/issue-38669.rs:10:9: 10:28 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-38669.rs:10:24: 10:28 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + _2 = (); // bb5[4]: scope 1 at $DIR/issue-38669.rs:6:10: 11:6 + goto -> bb2; // bb5[5]: scope 1 at $DIR/issue-38669.rs:6:5: 11:6 + } + + bb6: { + _0 = (); // bb6[0]: scope 1 at $DIR/issue-38669.rs:8:13: 8:18 + StorageDead(_4); // bb6[1]: scope 1 at $DIR/issue-38669.rs:9:9: 9:10 + StorageDead(_3); // bb6[2]: scope 1 at $DIR/issue-38669.rs:9:9: 9:10 + StorageDead(_1); // bb6[3]: scope 0 at $DIR/issue-38669.rs:12:1: 12:2 + return; // bb6[4]: scope 0 at $DIR/issue-38669.rs:12:2: 12:2 + } +} diff --git a/src/test/mir-opt/issue-41110.rs b/src/test/mir-opt/issue-41110.rs index 5ba54f98d00da..cc35b8785a733 100644 --- a/src/test/mir-opt/issue-41110.rs +++ b/src/test/mir-opt/issue-41110.rs @@ -2,12 +2,15 @@ // check that we don't emit multiple drop flags when they are not needed. + +// EMIT_MIR rustc.main.ElaborateDrops.after.mir fn main() { let x = S.other(S.id()); } // no_mangle to make sure this gets instantiated even in an executable. #[no_mangle] +// EMIT_MIR rustc.test.ElaborateDrops.after.mir pub fn test() { let u = S; let mut v = S; @@ -25,34 +28,3 @@ impl S { fn id(self) -> Self { self } fn other(self, s: Self) {} } - -// END RUST SOURCE -// START rustc.main.ElaborateDrops.after.mir -// let mut _0: (); -// let _1: (); -// let mut _2: S; -// let mut _3: S; -// let mut _4: S; -// let mut _5: bool; -// scope 1 { -// debug x => _1; -// } -// ... -// bb0: { -// END rustc.main.ElaborateDrops.after.mir -// START rustc.test.ElaborateDrops.after.mir -// let mut _0: (); -// let _1: S; -// let _3: (); -// let mut _4: S; -// let mut _5: S; -// let mut _6: bool; -// ... -// debug u => _1; -// ... -// let mut _2: S; -// ... -// debug v => _2; -// ... -// bb0: { -// END rustc.test.ElaborateDrops.after.mir diff --git a/src/test/mir-opt/issue-41110/rustc.main.ElaborateDrops.after.mir b/src/test/mir-opt/issue-41110/rustc.main.ElaborateDrops.after.mir new file mode 100644 index 0000000000000..0499054c329b2 --- /dev/null +++ b/src/test/mir-opt/issue-41110/rustc.main.ElaborateDrops.after.mir @@ -0,0 +1,111 @@ +// MIR for `main` after ElaborateDrops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue-41110.rs:7:11: 7:11 + let _1: (); // in scope 0 at $DIR/issue-41110.rs:8:9: 8:10 + let mut _2: S; // in scope 0 at $DIR/issue-41110.rs:8:13: 8:14 + let mut _3: S; // in scope 0 at $DIR/issue-41110.rs:8:21: 8:27 + let mut _4: S; // in scope 0 at $DIR/issue-41110.rs:8:21: 8:22 + let mut _5: bool; // in scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + scope 1 { + debug x => _1; // in scope 1 at $DIR/issue-41110.rs:8:9: 8:10 + } + + bb0: { + _5 = const false; // bb0[0]: scope 0 at $DIR/issue-41110.rs:8:9: 8:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41110.rs:8:9: 8:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + StorageLive(_1); // bb0[1]: scope 0 at $DIR/issue-41110.rs:8:9: 8:10 + StorageLive(_2); // bb0[2]: scope 0 at $DIR/issue-41110.rs:8:13: 8:14 + _5 = const true; // bb0[3]: scope 0 at $DIR/issue-41110.rs:8:13: 8:14 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-41110.rs:8:13: 8:14 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + _2 = S; // bb0[4]: scope 0 at $DIR/issue-41110.rs:8:13: 8:14 + StorageLive(_3); // bb0[5]: scope 0 at $DIR/issue-41110.rs:8:21: 8:27 + StorageLive(_4); // bb0[6]: scope 0 at $DIR/issue-41110.rs:8:21: 8:22 + _4 = S; // bb0[7]: scope 0 at $DIR/issue-41110.rs:8:21: 8:22 + _3 = const S::id(move _4) -> [return: bb2, unwind: bb4]; // bb0[8]: scope 0 at $DIR/issue-41110.rs:8:21: 8:27 + // ty::Const + // + ty: fn(S) -> S {S::id} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-41110.rs:8:23: 8:25 + // + literal: Const { ty: fn(S) -> S {S::id}, val: Value(Scalar()) } + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/issue-41110.rs:7:1: 9:2 + } + + bb2: { + StorageDead(_4); // bb2[0]: scope 0 at $DIR/issue-41110.rs:8:26: 8:27 + _5 = const false; // bb2[1]: scope 0 at $DIR/issue-41110.rs:8:13: 8:28 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41110.rs:8:13: 8:28 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + _1 = const S::other(move _2, move _3) -> [return: bb6, unwind: bb5]; // bb2[2]: scope 0 at $DIR/issue-41110.rs:8:13: 8:28 + // ty::Const + // + ty: fn(S, S) {S::other} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-41110.rs:8:15: 8:20 + // + literal: Const { ty: fn(S, S) {S::other}, val: Value(Scalar()) } + } + + bb3 (cleanup): { + goto -> bb9; // bb3[0]: scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + } + + bb4 (cleanup): { + goto -> bb3; // bb4[0]: scope 0 at $DIR/issue-41110.rs:8:26: 8:27 + } + + bb5 (cleanup): { + goto -> bb3; // bb5[0]: scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + } + + bb6: { + StorageDead(_3); // bb6[0]: scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + _5 = const false; // bb6[1]: scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41110.rs:8:27: 8:28 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + StorageDead(_2); // bb6[2]: scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + _0 = (); // bb6[3]: scope 0 at $DIR/issue-41110.rs:7:11: 9:2 + StorageDead(_1); // bb6[4]: scope 0 at $DIR/issue-41110.rs:9:1: 9:2 + return; // bb6[5]: scope 0 at $DIR/issue-41110.rs:9:2: 9:2 + } + + bb7 (cleanup): { + drop(_2) -> bb1; // bb7[0]: scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + } + + bb8 (cleanup): { + _5 = const false; // bb8[0]: scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41110.rs:8:27: 8:28 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + goto -> bb7; // bb8[1]: scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + } + + bb9 (cleanup): { + switchInt(_5) -> [false: bb1, otherwise: bb8]; // bb9[0]: scope 0 at $DIR/issue-41110.rs:8:27: 8:28 + } +} diff --git a/src/test/mir-opt/issue-41110/rustc.test.ElaborateDrops.after.mir b/src/test/mir-opt/issue-41110/rustc.test.ElaborateDrops.after.mir new file mode 100644 index 0000000000000..b6623fcd4d949 --- /dev/null +++ b/src/test/mir-opt/issue-41110/rustc.test.ElaborateDrops.after.mir @@ -0,0 +1,139 @@ +// MIR for `test` after ElaborateDrops + +fn test() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue-41110.rs:14:15: 14:15 + let _1: S; // in scope 0 at $DIR/issue-41110.rs:15:9: 15:10 + let _3: (); // in scope 0 at $DIR/issue-41110.rs:17:5: 17:12 + let mut _4: S; // in scope 0 at $DIR/issue-41110.rs:17:10: 17:11 + let mut _5: S; // in scope 0 at $DIR/issue-41110.rs:18:9: 18:10 + let mut _6: bool; // in scope 0 at $DIR/issue-41110.rs:19:1: 19:2 + scope 1 { + debug u => _1; // in scope 1 at $DIR/issue-41110.rs:15:9: 15:10 + let mut _2: S; // in scope 1 at $DIR/issue-41110.rs:16:9: 16:14 + scope 2 { + debug v => _2; // in scope 2 at $DIR/issue-41110.rs:16:9: 16:14 + } + } + + bb0: { + _6 = const false; // bb0[0]: scope 0 at $DIR/issue-41110.rs:15:9: 15:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41110.rs:15:9: 15:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + StorageLive(_1); // bb0[1]: scope 0 at $DIR/issue-41110.rs:15:9: 15:10 + _6 = const true; // bb0[2]: scope 0 at $DIR/issue-41110.rs:15:13: 15:14 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-41110.rs:15:13: 15:14 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + _1 = S; // bb0[3]: scope 0 at $DIR/issue-41110.rs:15:13: 15:14 + StorageLive(_2); // bb0[4]: scope 1 at $DIR/issue-41110.rs:16:9: 16:14 + _2 = S; // bb0[5]: scope 1 at $DIR/issue-41110.rs:16:17: 16:18 + StorageLive(_3); // bb0[6]: scope 2 at $DIR/issue-41110.rs:17:5: 17:12 + StorageLive(_4); // bb0[7]: scope 2 at $DIR/issue-41110.rs:17:10: 17:11 + _4 = move _2; // bb0[8]: scope 2 at $DIR/issue-41110.rs:17:10: 17:11 + _3 = const std::mem::drop::(move _4) -> [return: bb2, unwind: bb5]; // bb0[9]: scope 2 at $DIR/issue-41110.rs:17:5: 17:12 + // ty::Const + // + ty: fn(S) {std::mem::drop::} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-41110.rs:17:5: 17:9 + // + literal: Const { ty: fn(S) {std::mem::drop::}, val: Value(Scalar()) } + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/issue-41110.rs:14:1: 19:2 + } + + bb2: { + StorageDead(_4); // bb2[0]: scope 2 at $DIR/issue-41110.rs:17:11: 17:12 + StorageDead(_3); // bb2[1]: scope 2 at $DIR/issue-41110.rs:17:12: 17:13 + StorageLive(_5); // bb2[2]: scope 2 at $DIR/issue-41110.rs:18:9: 18:10 + _6 = const false; // bb2[3]: scope 2 at $DIR/issue-41110.rs:18:9: 18:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41110.rs:18:9: 18:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + _5 = move _1; // bb2[4]: scope 2 at $DIR/issue-41110.rs:18:9: 18:10 + goto -> bb12; // bb2[5]: scope 2 at $DIR/issue-41110.rs:18:5: 18:6 + } + + bb3 (cleanup): { + goto -> bb15; // bb3[0]: scope 0 at $DIR/issue-41110.rs:19:1: 19:2 + } + + bb4 (cleanup): { + goto -> bb3; // bb4[0]: scope 1 at $DIR/issue-41110.rs:19:1: 19:2 + } + + bb5 (cleanup): { + goto -> bb4; // bb5[0]: scope 2 at $DIR/issue-41110.rs:17:11: 17:12 + } + + bb6: { + goto -> bb8; // bb6[0]: scope 2 at $DIR/issue-41110.rs:18:9: 18:10 + } + + bb7 (cleanup): { + goto -> bb4; // bb7[0]: scope 2 at $DIR/issue-41110.rs:18:9: 18:10 + } + + bb8: { + StorageDead(_5); // bb8[0]: scope 2 at $DIR/issue-41110.rs:18:9: 18:10 + _0 = (); // bb8[1]: scope 0 at $DIR/issue-41110.rs:14:15: 19:2 + drop(_2) -> [return: bb9, unwind: bb3]; // bb8[2]: scope 1 at $DIR/issue-41110.rs:19:1: 19:2 + } + + bb9: { + StorageDead(_2); // bb9[0]: scope 1 at $DIR/issue-41110.rs:19:1: 19:2 + goto -> bb10; // bb9[1]: scope 0 at $DIR/issue-41110.rs:19:1: 19:2 + } + + bb10: { + _6 = const false; // bb10[0]: scope 0 at $DIR/issue-41110.rs:19:1: 19:2 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41110.rs:19:1: 19:2 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + StorageDead(_1); // bb10[1]: scope 0 at $DIR/issue-41110.rs:19:1: 19:2 + return; // bb10[2]: scope 0 at $DIR/issue-41110.rs:19:2: 19:2 + } + + bb11 (cleanup): { + _2 = move _5; // bb11[0]: scope 2 at $DIR/issue-41110.rs:18:5: 18:6 + goto -> bb7; // bb11[1]: scope 2 at $DIR/issue-41110.rs:18:5: 18:6 + } + + bb12: { + _2 = move _5; // bb12[0]: scope 2 at $DIR/issue-41110.rs:18:5: 18:6 + goto -> bb6; // bb12[1]: scope 2 at $DIR/issue-41110.rs:18:5: 18:6 + } + + bb13 (cleanup): { + drop(_1) -> bb1; // bb13[0]: scope 0 at $DIR/issue-41110.rs:19:1: 19:2 + } + + bb14 (cleanup): { + _6 = const false; // bb14[0]: scope 0 at $DIR/issue-41110.rs:19:1: 19:2 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41110.rs:19:1: 19:2 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + goto -> bb13; // bb14[1]: scope 0 at $DIR/issue-41110.rs:19:1: 19:2 + } + + bb15 (cleanup): { + switchInt(_6) -> [false: bb1, otherwise: bb14]; // bb15[0]: scope 0 at $DIR/issue-41110.rs:19:1: 19:2 + } +} diff --git a/src/test/mir-opt/issue-41697.rs b/src/test/mir-opt/issue-41697.rs index 5a461d6148254..07b9d175677ca 100644 --- a/src/test/mir-opt/issue-41697.rs +++ b/src/test/mir-opt/issue-41697.rs @@ -13,7 +13,9 @@ trait Foo { fn get(&self) -> [u8; 2]; } -impl Foo for [u8; 2] { +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.{{impl}}-{{constant}}.SimplifyCfg-qualify-consts.after.mir +impl Foo for [u8; 1+1] { fn get(&self) -> [u8; 2] { *self } diff --git a/src/test/mir-opt/issue-41697/32bit/rustc.{{impl}}-{{constant}}.SimplifyCfg-qualify-consts.after.mir b/src/test/mir-opt/issue-41697/32bit/rustc.{{impl}}-{{constant}}.SimplifyCfg-qualify-consts.after.mir new file mode 100644 index 0000000000000..072ca4cfe4737 --- /dev/null +++ b/src/test/mir-opt/issue-41697/32bit/rustc.{{impl}}-{{constant}}.SimplifyCfg-qualify-consts.after.mir @@ -0,0 +1,32 @@ +// MIR for `::{{constant}}#0` after SimplifyCfg-qualify-consts + +::{{constant}}#0: usize = { + let mut _0: usize; // return place in scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + let mut _1: (usize, bool); // in scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + + bb0: { + _1 = CheckedAdd(const 1usize, const 1usize); // bb0[0]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/issue-41697.rs:18:19: 18:20 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/issue-41697.rs:18:21: 18:22 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } + assert(!move (_1.1: bool), "attempt to add with overflow") -> [success: bb2, unwind: bb1]; // bb0[1]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + } + + bb2: { + _0 = move (_1.0: usize); // bb2[0]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + return; // bb2[1]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + } +} diff --git a/src/test/mir-opt/issue-41697/64bit/rustc.{{impl}}-{{constant}}.SimplifyCfg-qualify-consts.after.mir b/src/test/mir-opt/issue-41697/64bit/rustc.{{impl}}-{{constant}}.SimplifyCfg-qualify-consts.after.mir new file mode 100644 index 0000000000000..5a9d1570b80dc --- /dev/null +++ b/src/test/mir-opt/issue-41697/64bit/rustc.{{impl}}-{{constant}}.SimplifyCfg-qualify-consts.after.mir @@ -0,0 +1,32 @@ +// MIR for `::{{constant}}#0` after SimplifyCfg-qualify-consts + +::{{constant}}#0: usize = { + let mut _0: usize; // return place in scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + let mut _1: (usize, bool); // in scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + + bb0: { + _1 = CheckedAdd(const 1usize, const 1usize); // bb0[0]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $DIR/issue-41697.rs:18:19: 18:20 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $DIR/issue-41697.rs:18:21: 18:22 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } + assert(!move (_1.1: bool), "attempt to add with overflow") -> [success: bb2, unwind: bb1]; // bb0[1]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + } + + bb2: { + _0 = move (_1.0: usize); // bb2[0]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + return; // bb2[1]: scope 0 at $DIR/issue-41697.rs:18:19: 18:22 + } +} diff --git a/src/test/mir-opt/issue-41888.rs b/src/test/mir-opt/issue-41888.rs index efe2b249d4a86..6caaa59d0af34 100644 --- a/src/test/mir-opt/issue-41888.rs +++ b/src/test/mir-opt/issue-41888.rs @@ -1,6 +1,8 @@ +// ignore-wasm32-bare compiled with panic=abort by default // check that we clear the "ADT master drop flag" even when there are // no fields to be dropped. +// EMIT_MIR rustc.main.ElaborateDrops.after.mir fn main() { let e; if cond() { @@ -20,159 +22,3 @@ enum E { F(K), G(Box) } - -// END RUST SOURCE -// fn main() -> () { -// let mut _0: (); -// scope 1 { -// let _1: E; -// debug e => _1; -// scope 2 { -// let _6: K; -// debug _k => _6; -// } -// } -// let mut _2: bool; -// let mut _3: (); -// let mut _4: E; -// let mut _5: K; -// let mut _7: isize; -// let mut _8: bool; // drop flag for `e` -// let mut _9: bool; -// let mut _10: bool; -// let mut _11: isize; -// let mut _12: isize; -// -// bb0: { -// _8 = const false; -// _10 = const false; -// _9 = const false; -// StorageLive(_1); -// StorageLive(_2); -// _2 = const cond() -> [return: bb3, unwind: bb2]; -// } -// -// bb1: { -// resume; -// } -// -// bb2: { -// goto -> bb1; -// } -// -// bb3: { -// switchInt(_2) -> [0u8: bb5, otherwise: bb4]; -// } -// -// bb4: { -// StorageLive(_4); -// StorageLive(_5); -// _5 = K::{{constructor}}; -// _4 = E::F(_5,); -// StorageDead(_5); -// goto -> bb15; -// } -// -// bb5: { -// _0 = (); -// goto -> bb12; -// } -// -// bb6: { -// goto -> bb2; -// } -// -// bb7: { -// goto -> bb8; -// } -// -// bb8: { -// StorageDead(_4); -// _7 = discriminant(_1); -// switchInt(_7) -> [0isize: bb10, otherwise: bb9]; -// } -// -// bb9: { -// _0 = (); -// goto -> bb11; -// } -// -// bb10: { -// StorageLive(_6); -// _10 = const false; -// _6 = ((_1 as F).0: K); -// _0 = (); -// goto -> bb11; -// } -// -// bb11: { -// StorageDead(_6); -// goto -> bb12; -// } -// -// bb12: { -// StorageDead(_2); -// goto -> bb22; -// } -// -// bb13: { -// StorageDead(_1); -// return; -// } -// -// bb14: { -// _8 = const true; -// _9 = const true; -// _10 = const true; -// _1 = _4; -// goto -> bb6; -// } -// -// bb15: { -// _8 = const true; -// _9 = const true; -// _10 = const true; -// _1 = _4; -// goto -> bb7; -// } -// -// bb16: { -// _8 = const false; // clear the drop flag - must always be reached -// goto -> bb13; -// } -// -// bb17: { -// _8 = const false; -// goto -> bb1; -// } -// -// bb18: { -// goto -> bb17; -// } -// -// bb19: { -// drop(_1) -> [return: bb16, unwind: bb17]; -// } -// -// bb20: { -// drop(_1) -> bb17; -// } -// -// bb21: { -// _11 = discriminant(_1); -// switchInt(_11) -> [0isize: bb16, otherwise: bb19]; -// } -// -// bb22: { -// switchInt(_8) -> [0u8: bb16, otherwise: bb21]; -// } -// -// bb23: { -// _12 = discriminant(_1); -// switchInt(_12) -> [0isize: bb18, otherwise: bb20]; -// } -// -// bb24: { -// switchInt(_8) -> [0u8: bb17, otherwise: bb23]; -// } -// } diff --git a/src/test/mir-opt/issue-41888/rustc.main.ElaborateDrops.after.mir b/src/test/mir-opt/issue-41888/rustc.main.ElaborateDrops.after.mir new file mode 100644 index 0000000000000..6cd3e2dec838c --- /dev/null +++ b/src/test/mir-opt/issue-41888/rustc.main.ElaborateDrops.after.mir @@ -0,0 +1,250 @@ +// MIR for `main` after ElaborateDrops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue-41888.rs:6:11: 6:11 + let _1: E; // in scope 0 at $DIR/issue-41888.rs:7:9: 7:10 + let mut _2: bool; // in scope 0 at $DIR/issue-41888.rs:8:8: 8:14 + let mut _3: E; // in scope 0 at $DIR/issue-41888.rs:9:13: 9:20 + let mut _4: K; // in scope 0 at $DIR/issue-41888.rs:9:18: 9:19 + let mut _5: isize; // in scope 0 at $DIR/issue-41888.rs:10:16: 10:24 + let mut _7: bool; // in scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + let mut _8: bool; // in scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + let mut _9: bool; // in scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + let mut _10: isize; // in scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + let mut _11: isize; // in scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + scope 1 { + debug e => _1; // in scope 1 at $DIR/issue-41888.rs:7:9: 7:10 + let _6: K; // in scope 1 at $DIR/issue-41888.rs:10:21: 10:23 + scope 2 { + debug _k => _6; // in scope 2 at $DIR/issue-41888.rs:10:21: 10:23 + } + } + + bb0: { + _9 = const false; // bb0[0]: scope 0 at $DIR/issue-41888.rs:7:9: 7:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41888.rs:7:9: 7:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + _7 = const false; // bb0[1]: scope 0 at $DIR/issue-41888.rs:7:9: 7:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41888.rs:7:9: 7:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + _8 = const false; // bb0[2]: scope 0 at $DIR/issue-41888.rs:7:9: 7:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41888.rs:7:9: 7:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + StorageLive(_1); // bb0[3]: scope 0 at $DIR/issue-41888.rs:7:9: 7:10 + StorageLive(_2); // bb0[4]: scope 1 at $DIR/issue-41888.rs:8:8: 8:14 + _2 = const cond() -> [return: bb2, unwind: bb3]; // bb0[5]: scope 1 at $DIR/issue-41888.rs:8:8: 8:14 + // ty::Const + // + ty: fn() -> bool {cond} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-41888.rs:8:8: 8:12 + // + literal: Const { ty: fn() -> bool {cond}, val: Value(Scalar()) } + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/issue-41888.rs:6:1: 15:2 + } + + bb2: { + switchInt(_2) -> [false: bb4, otherwise: bb5]; // bb2[0]: scope 1 at $DIR/issue-41888.rs:8:5: 14:6 + } + + bb3 (cleanup): { + goto -> bb1; // bb3[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb4: { + _0 = (); // bb4[0]: scope 1 at $DIR/issue-41888.rs:8:5: 14:6 + goto -> bb11; // bb4[1]: scope 1 at $DIR/issue-41888.rs:8:5: 14:6 + } + + bb5: { + StorageLive(_3); // bb5[0]: scope 1 at $DIR/issue-41888.rs:9:13: 9:20 + StorageLive(_4); // bb5[1]: scope 1 at $DIR/issue-41888.rs:9:18: 9:19 + _4 = K; // bb5[2]: scope 1 at $DIR/issue-41888.rs:9:18: 9:19 + _3 = E::F(move _4,); // bb5[3]: scope 1 at $DIR/issue-41888.rs:9:13: 9:20 + StorageDead(_4); // bb5[4]: scope 1 at $DIR/issue-41888.rs:9:19: 9:20 + goto -> bb14; // bb5[5]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + } + + bb6: { + goto -> bb8; // bb6[0]: scope 1 at $DIR/issue-41888.rs:9:19: 9:20 + } + + bb7 (cleanup): { + goto -> bb3; // bb7[0]: scope 1 at $DIR/issue-41888.rs:9:19: 9:20 + } + + bb8: { + StorageDead(_3); // bb8[0]: scope 1 at $DIR/issue-41888.rs:9:19: 9:20 + _5 = discriminant(_1); // bb8[1]: scope 1 at $DIR/issue-41888.rs:10:16: 10:24 + switchInt(move _5) -> [0isize: bb10, otherwise: bb9]; // bb8[2]: scope 1 at $DIR/issue-41888.rs:10:16: 10:24 + } + + bb9: { + _0 = (); // bb9[0]: scope 1 at $DIR/issue-41888.rs:10:9: 13:10 + goto -> bb11; // bb9[1]: scope 1 at $DIR/issue-41888.rs:10:9: 13:10 + } + + bb10: { + StorageLive(_6); // bb10[0]: scope 1 at $DIR/issue-41888.rs:10:21: 10:23 + _9 = const false; // bb10[1]: scope 1 at $DIR/issue-41888.rs:10:21: 10:23 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41888.rs:10:21: 10:23 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + _6 = move ((_1 as F).0: K); // bb10[2]: scope 1 at $DIR/issue-41888.rs:10:21: 10:23 + _0 = (); // bb10[3]: scope 2 at $DIR/issue-41888.rs:10:29: 13:10 + StorageDead(_6); // bb10[4]: scope 1 at $DIR/issue-41888.rs:13:9: 13:10 + goto -> bb11; // bb10[5]: scope 1 at $DIR/issue-41888.rs:10:9: 13:10 + } + + bb11: { + goto -> bb21; // bb11[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb12: { + _7 = const false; // bb12[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41888.rs:15:1: 15:2 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + _8 = const false; // bb12[1]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41888.rs:15:1: 15:2 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + _9 = const false; // bb12[2]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41888.rs:15:1: 15:2 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + StorageDead(_1); // bb12[3]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + StorageDead(_2); // bb12[4]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + return; // bb12[5]: scope 0 at $DIR/issue-41888.rs:15:2: 15:2 + } + + bb13 (cleanup): { + _7 = const true; // bb13[0]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-41888.rs:9:9: 9:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + _8 = const true; // bb13[1]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-41888.rs:9:9: 9:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + _9 = const true; // bb13[2]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-41888.rs:9:9: 9:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + _1 = move _3; // bb13[3]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + goto -> bb7; // bb13[4]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + } + + bb14: { + _7 = const true; // bb14[0]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-41888.rs:9:9: 9:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + _8 = const true; // bb14[1]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-41888.rs:9:9: 9:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + _9 = const true; // bb14[2]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-41888.rs:9:9: 9:10 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + _1 = move _3; // bb14[3]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + goto -> bb6; // bb14[4]: scope 1 at $DIR/issue-41888.rs:9:9: 9:10 + } + + bb15: { + _7 = const false; // bb15[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41888.rs:15:1: 15:2 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + goto -> bb12; // bb15[1]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb16 (cleanup): { + _7 = const false; // bb16[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/issue-41888.rs:15:1: 15:2 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + goto -> bb1; // bb16[1]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb17 (cleanup): { + goto -> bb16; // bb17[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb18: { + drop(_1) -> [return: bb15, unwind: bb16]; // bb18[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb19 (cleanup): { + drop(_1) -> bb16; // bb19[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb20: { + _10 = discriminant(_1); // bb20[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + switchInt(move _10) -> [0isize: bb15, otherwise: bb18]; // bb20[1]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb21: { + switchInt(_7) -> [false: bb15, otherwise: bb20]; // bb21[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb22 (cleanup): { + _11 = discriminant(_1); // bb22[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + switchInt(move _11) -> [0isize: bb17, otherwise: bb19]; // bb22[1]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } + + bb23 (cleanup): { + switchInt(_7) -> [false: bb16, otherwise: bb22]; // bb23[0]: scope 0 at $DIR/issue-41888.rs:15:1: 15:2 + } +} diff --git a/src/test/mir-opt/issue-49232.rs b/src/test/mir-opt/issue-49232.rs index 54c89b85f42d7..7d308980b9071 100644 --- a/src/test/mir-opt/issue-49232.rs +++ b/src/test/mir-opt/issue-49232.rs @@ -1,6 +1,7 @@ // We must mark a variable whose initialization fails due to an // abort statement as StorageDead. +// EMIT_MIR rustc.main.mir_map.0.mir fn main() { loop { let beacon = { @@ -12,82 +13,3 @@ fn main() { drop(&beacon); } } - -// END RUST SOURCE -// START rustc.main.mir_map.0.mir -// fn main() -> (){ -// let mut _0: (); -// let mut _1: (); -// let _2: i32; -// let mut _3: bool; -// let mut _4: !; -// let _5: (); -// let mut _6: &i32; -// scope 1 { -// debug beacon => _2; -// } -// bb0: { -// goto -> bb1; -// } -// bb1: { -// falseUnwind -> [real: bb3, cleanup: bb4]; -// } -// bb2: { -// goto -> bb14; -// } -// bb3: { -// StorageLive(_2); -// StorageLive(_3); -// _3 = const true; -// FakeRead(ForMatchedPlace, _3); -// switchInt(_3) -> [false: bb5, otherwise: bb6]; -// } -// bb4 (cleanup): { -// resume; -// } -// bb5: { -// falseEdges -> [real: bb7, imaginary: bb6]; -// } -// bb6: { -// _0 = (); -// goto -> bb8; -// } -// bb7: { -// _2 = const 4i32; -// goto -> bb12; -// } -// bb8: { -// StorageDead(_3); -// goto -> bb9; -// } -// bb9: { -// StorageDead(_2); -// goto -> bb2; -// } -// bb10: { -// _4 = (); -// unreachable; -// } -// bb11: { -// goto -> bb12; -// } -// bb12: { -// FakeRead(ForLet, _2); -// StorageDead(_3); -// StorageLive(_5); -// StorageLive(_6); -// _6 = &_2; -// _5 = const std::mem::drop::<&i32>(move _6) -> [return: bb13, unwind: bb4]; -// } -// bb13: { -// StorageDead(_6); -// StorageDead(_5); -// _1 = (); -// StorageDead(_2); -// goto -> bb1; -// } -// bb14: { -// return; -// } -// } -// END rustc.main.mir_map.0.mir diff --git a/src/test/mir-opt/issue-49232/rustc.main.mir_map.0.mir b/src/test/mir-opt/issue-49232/rustc.main.mir_map.0.mir new file mode 100644 index 0000000000000..03815d58bbc75 --- /dev/null +++ b/src/test/mir-opt/issue-49232/rustc.main.mir_map.0.mir @@ -0,0 +1,110 @@ +// MIR for `main` 0 mir_map + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue-49232.rs:5:11: 5:11 + let mut _1: (); // in scope 0 at $DIR/issue-49232.rs:5:1: 15:2 + let _2: i32; // in scope 0 at $DIR/issue-49232.rs:7:13: 7:19 + let mut _3: bool; // in scope 0 at $DIR/issue-49232.rs:8:19: 8:23 + let mut _4: !; // in scope 0 at $DIR/issue-49232.rs:10:25: 10:30 + let _5: (); // in scope 0 at $DIR/issue-49232.rs:13:9: 13:22 + let mut _6: &i32; // in scope 0 at $DIR/issue-49232.rs:13:14: 13:21 + scope 1 { + debug beacon => _2; // in scope 1 at $DIR/issue-49232.rs:7:13: 7:19 + } + + bb0: { + goto -> bb1; // bb0[0]: scope 0 at $DIR/issue-49232.rs:6:5: 14:6 + } + + bb1: { + falseUnwind -> [real: bb3, cleanup: bb4]; // bb1[0]: scope 0 at $DIR/issue-49232.rs:6:5: 14:6 + } + + bb2: { + goto -> bb14; // bb2[0]: scope 0 at $DIR/issue-49232.rs:15:2: 15:2 + } + + bb3: { + StorageLive(_2); // bb3[0]: scope 0 at $DIR/issue-49232.rs:7:13: 7:19 + StorageLive(_3); // bb3[1]: scope 0 at $DIR/issue-49232.rs:8:19: 8:23 + _3 = const true; // bb3[2]: scope 0 at $DIR/issue-49232.rs:8:19: 8:23 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/issue-49232.rs:8:19: 8:23 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + FakeRead(ForMatchedPlace, _3); // bb3[3]: scope 0 at $DIR/issue-49232.rs:8:19: 8:23 + switchInt(_3) -> [false: bb5, otherwise: bb6]; // bb3[4]: scope 0 at $DIR/issue-49232.rs:9:17: 9:22 + } + + bb4 (cleanup): { + resume; // bb4[0]: scope 0 at $DIR/issue-49232.rs:5:1: 15:2 + } + + bb5: { + falseEdges -> [real: bb7, imaginary: bb6]; // bb5[0]: scope 0 at $DIR/issue-49232.rs:9:17: 9:22 + } + + bb6: { + _0 = (); // bb6[0]: scope 0 at $DIR/issue-49232.rs:10:25: 10:30 + goto -> bb8; // bb6[1]: scope 0 at $DIR/issue-49232.rs:10:25: 10:30 + } + + bb7: { + _2 = const 4i32; // bb7[0]: scope 0 at $DIR/issue-49232.rs:9:26: 9:27 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/issue-49232.rs:9:26: 9:27 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + goto -> bb12; // bb7[1]: scope 0 at $DIR/issue-49232.rs:8:13: 11:14 + } + + bb8: { + StorageDead(_3); // bb8[0]: scope 0 at $DIR/issue-49232.rs:12:10: 12:11 + goto -> bb9; // bb8[1]: scope 0 at $DIR/issue-49232.rs:10:25: 10:30 + } + + bb9: { + StorageDead(_2); // bb9[0]: scope 0 at $DIR/issue-49232.rs:14:5: 14:6 + goto -> bb2; // bb9[1]: scope 0 at $DIR/issue-49232.rs:10:25: 10:30 + } + + bb10: { + _4 = (); // bb10[0]: scope 0 at $DIR/issue-49232.rs:10:25: 10:30 + unreachable; // bb10[1]: scope 0 at $DIR/issue-49232.rs:10:25: 10:30 + } + + bb11: { + goto -> bb12; // bb11[0]: scope 0 at $DIR/issue-49232.rs:8:13: 11:14 + } + + bb12: { + FakeRead(ForLet, _2); // bb12[0]: scope 0 at $DIR/issue-49232.rs:7:13: 7:19 + StorageDead(_3); // bb12[1]: scope 0 at $DIR/issue-49232.rs:12:10: 12:11 + StorageLive(_5); // bb12[2]: scope 1 at $DIR/issue-49232.rs:13:9: 13:22 + StorageLive(_6); // bb12[3]: scope 1 at $DIR/issue-49232.rs:13:14: 13:21 + _6 = &_2; // bb12[4]: scope 1 at $DIR/issue-49232.rs:13:14: 13:21 + _5 = const std::mem::drop::<&i32>(move _6) -> [return: bb13, unwind: bb4]; // bb12[5]: scope 1 at $DIR/issue-49232.rs:13:9: 13:22 + // ty::Const + // + ty: fn(&i32) {std::mem::drop::<&i32>} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-49232.rs:13:9: 13:13 + // + literal: Const { ty: fn(&i32) {std::mem::drop::<&i32>}, val: Value(Scalar()) } + } + + bb13: { + StorageDead(_6); // bb13[0]: scope 1 at $DIR/issue-49232.rs:13:21: 13:22 + StorageDead(_5); // bb13[1]: scope 1 at $DIR/issue-49232.rs:13:22: 13:23 + _1 = (); // bb13[2]: scope 0 at $DIR/issue-49232.rs:6:10: 14:6 + StorageDead(_2); // bb13[3]: scope 0 at $DIR/issue-49232.rs:14:5: 14:6 + goto -> bb1; // bb13[4]: scope 0 at $DIR/issue-49232.rs:6:5: 14:6 + } + + bb14: { + return; // bb14[0]: scope 0 at $DIR/issue-49232.rs:15:2: 15:2 + } +} diff --git a/src/test/mir-opt/issue-62289.rs b/src/test/mir-opt/issue-62289.rs index 8e619ffdf8b96..f0d57c572b343 100644 --- a/src/test/mir-opt/issue-62289.rs +++ b/src/test/mir-opt/issue-62289.rs @@ -1,10 +1,10 @@ // check that we don't forget to drop the Box if we early return before // initializing it -// ignore-tidy-linelength // ignore-wasm32-bare compiled with panic=abort by default #![feature(box_syntax)] +// EMIT_MIR rustc.test.ElaborateDrops.before.mir fn test() -> Option> { Some(box (None?)) } @@ -12,80 +12,3 @@ fn test() -> Option> { fn main() { test(); } - -// END RUST SOURCE -// START rustc.test.ElaborateDrops.before.mir -// fn test() -> std::option::Option> { -// ... -// bb0: { -// StorageLive(_1); -// StorageLive(_2); -// _2 = Box(u32); -// StorageLive(_3); -// StorageLive(_4); -// _4 = std::option::Option::::None; -// _3 = const as std::ops::Try>::into_result(move _4) -> [return: bb2, unwind: bb3]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// StorageDead(_4); -// _5 = discriminant(_3); -// switchInt(move _5) -> [0isize: bb4, 1isize: bb6, otherwise: bb5]; -// } -// bb3 (cleanup): { -// drop(_2) -> bb1; -// } -// bb4: { -// StorageLive(_10); -// _10 = ((_3 as Ok).0: u32); -// (*_2) = _10; -// StorageDead(_10); -// _1 = move _2; -// drop(_2) -> [return: bb12, unwind: bb11]; -// } -// bb5: { -// unreachable; -// } -// bb6: { -// StorageLive(_6); -// _6 = ((_3 as Err).0: std::option::NoneError); -// StorageLive(_8); -// StorageLive(_9); -// _9 = _6; -// _8 = const >::from(move _9) -> [return: bb8, unwind: bb3]; -// } -// bb7: { -// return; -// } -// bb8: { -// StorageDead(_9); -// _0 = const > as std::ops::Try>::from_error(move _8) -> [return: bb9, unwind: bb3]; -// } -// bb9: { -// StorageDead(_8); -// StorageDead(_6); -// drop(_2) -> bb10; -// } -// bb10: { -// StorageDead(_2); -// StorageDead(_1); -// StorageDead(_3); -// goto -> bb7; -// } -// bb11 (cleanup): { -// drop(_1) -> bb1; -// } -// bb12: { -// StorageDead(_2); -// _0 = std::option::Option::>::Some(move _1,); -// drop(_1) -> bb13; -// } -// bb13: { -// StorageDead(_1); -// StorageDead(_3); -// goto -> bb7; -// } -// } -// END rustc.test.ElaborateDrops.before.mir diff --git a/src/test/mir-opt/issue-62289/rustc.test.ElaborateDrops.before.mir b/src/test/mir-opt/issue-62289/rustc.test.ElaborateDrops.before.mir new file mode 100644 index 0000000000000..c2f9198002117 --- /dev/null +++ b/src/test/mir-opt/issue-62289/rustc.test.ElaborateDrops.before.mir @@ -0,0 +1,127 @@ +// MIR for `test` before ElaborateDrops + +fn test() -> std::option::Option> { + let mut _0: std::option::Option>; // return place in scope 0 at $DIR/issue-62289.rs:8:14: 8:30 + let mut _1: std::boxed::Box; // in scope 0 at $DIR/issue-62289.rs:9:10: 9:21 + let mut _2: std::boxed::Box; // in scope 0 at $DIR/issue-62289.rs:9:10: 9:21 + let mut _3: std::result::Result; // in scope 0 at $DIR/issue-62289.rs:9:15: 9:20 + let mut _4: std::option::Option; // in scope 0 at $DIR/issue-62289.rs:9:15: 9:19 + let mut _5: isize; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + let _6: std::option::NoneError; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + let mut _7: !; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + let mut _8: std::option::NoneError; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + let mut _9: std::option::NoneError; // in scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + let _10: u32; // in scope 0 at $DIR/issue-62289.rs:9:15: 9:20 + scope 1 { + debug err => _6; // in scope 1 at $DIR/issue-62289.rs:9:19: 9:20 + scope 2 { + } + } + scope 3 { + debug val => _10; // in scope 3 at $DIR/issue-62289.rs:9:15: 9:20 + scope 4 { + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/issue-62289.rs:9:10: 9:21 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/issue-62289.rs:9:10: 9:21 + _2 = Box(u32); // bb0[2]: scope 0 at $DIR/issue-62289.rs:9:10: 9:21 + StorageLive(_3); // bb0[3]: scope 0 at $DIR/issue-62289.rs:9:15: 9:20 + StorageLive(_4); // bb0[4]: scope 0 at $DIR/issue-62289.rs:9:15: 9:19 + _4 = std::option::Option::::None; // bb0[5]: scope 0 at $DIR/issue-62289.rs:9:15: 9:19 + _3 = const as std::ops::Try>::into_result(move _4) -> [return: bb2, unwind: bb3]; // bb0[6]: scope 0 at $DIR/issue-62289.rs:9:15: 9:20 + // ty::Const + // + ty: fn(std::option::Option) -> std::result::Result< as std::ops::Try>::Ok, as std::ops::Try>::Error> { as std::ops::Try>::into_result} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-62289.rs:9:15: 9:20 + // + literal: Const { ty: fn(std::option::Option) -> std::result::Result< as std::ops::Try>::Ok, as std::ops::Try>::Error> { as std::ops::Try>::into_result}, val: Value(Scalar()) } + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/issue-62289.rs:8:1: 10:2 + } + + bb2: { + StorageDead(_4); // bb2[0]: scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + _5 = discriminant(_3); // bb2[1]: scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + switchInt(move _5) -> [0isize: bb4, 1isize: bb6, otherwise: bb5]; // bb2[2]: scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + } + + bb3 (cleanup): { + drop(_2) -> bb1; // bb3[0]: scope 0 at $DIR/issue-62289.rs:9:20: 9:21 + } + + bb4: { + StorageLive(_10); // bb4[0]: scope 0 at $DIR/issue-62289.rs:9:15: 9:20 + _10 = ((_3 as Ok).0: u32); // bb4[1]: scope 0 at $DIR/issue-62289.rs:9:15: 9:20 + (*_2) = _10; // bb4[2]: scope 4 at $DIR/issue-62289.rs:9:15: 9:20 + StorageDead(_10); // bb4[3]: scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + _1 = move _2; // bb4[4]: scope 0 at $DIR/issue-62289.rs:9:10: 9:21 + drop(_2) -> [return: bb12, unwind: bb11]; // bb4[5]: scope 0 at $DIR/issue-62289.rs:9:20: 9:21 + } + + bb5: { + unreachable; // bb5[0]: scope 0 at $DIR/issue-62289.rs:9:15: 9:20 + } + + bb6: { + StorageLive(_6); // bb6[0]: scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + _6 = ((_3 as Err).0: std::option::NoneError); // bb6[1]: scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + StorageLive(_8); // bb6[2]: scope 2 at $DIR/issue-62289.rs:9:19: 9:20 + StorageLive(_9); // bb6[3]: scope 2 at $DIR/issue-62289.rs:9:19: 9:20 + _9 = _6; // bb6[4]: scope 2 at $DIR/issue-62289.rs:9:19: 9:20 + _8 = const >::from(move _9) -> [return: bb8, unwind: bb3]; // bb6[5]: scope 2 at $DIR/issue-62289.rs:9:19: 9:20 + // ty::Const + // + ty: fn(std::option::NoneError) -> std::option::NoneError {>::from} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-62289.rs:9:19: 9:20 + // + literal: Const { ty: fn(std::option::NoneError) -> std::option::NoneError {>::from}, val: Value(Scalar()) } + } + + bb7: { + return; // bb7[0]: scope 0 at $DIR/issue-62289.rs:10:2: 10:2 + } + + bb8: { + StorageDead(_9); // bb8[0]: scope 2 at $DIR/issue-62289.rs:9:19: 9:20 + _0 = const > as std::ops::Try>::from_error(move _8) -> [return: bb9, unwind: bb3]; // bb8[1]: scope 2 at $DIR/issue-62289.rs:9:19: 9:20 + // ty::Const + // + ty: fn(> as std::ops::Try>::Error) -> std::option::Option> {> as std::ops::Try>::from_error} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/issue-62289.rs:9:15: 9:20 + // + literal: Const { ty: fn(> as std::ops::Try>::Error) -> std::option::Option> {> as std::ops::Try>::from_error}, val: Value(Scalar()) } + } + + bb9: { + StorageDead(_8); // bb9[0]: scope 2 at $DIR/issue-62289.rs:9:19: 9:20 + StorageDead(_6); // bb9[1]: scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + drop(_2) -> bb10; // bb9[2]: scope 0 at $DIR/issue-62289.rs:9:20: 9:21 + } + + bb10: { + StorageDead(_2); // bb10[0]: scope 0 at $DIR/issue-62289.rs:9:20: 9:21 + StorageDead(_1); // bb10[1]: scope 0 at $DIR/issue-62289.rs:9:21: 9:22 + StorageDead(_3); // bb10[2]: scope 0 at $DIR/issue-62289.rs:10:1: 10:2 + goto -> bb7; // bb10[3]: scope 0 at $DIR/issue-62289.rs:9:19: 9:20 + } + + bb11 (cleanup): { + drop(_1) -> bb1; // bb11[0]: scope 0 at $DIR/issue-62289.rs:9:21: 9:22 + } + + bb12: { + StorageDead(_2); // bb12[0]: scope 0 at $DIR/issue-62289.rs:9:20: 9:21 + _0 = std::option::Option::>::Some(move _1,); // bb12[1]: scope 0 at $DIR/issue-62289.rs:9:5: 9:22 + drop(_1) -> bb13; // bb12[2]: scope 0 at $DIR/issue-62289.rs:9:21: 9:22 + } + + bb13: { + StorageDead(_1); // bb13[0]: scope 0 at $DIR/issue-62289.rs:9:21: 9:22 + StorageDead(_3); // bb13[1]: scope 0 at $DIR/issue-62289.rs:10:1: 10:2 + goto -> bb7; // bb13[2]: scope 0 at $DIR/issue-62289.rs:10:2: 10:2 + } +} diff --git a/src/test/mir-opt/loop_test.rs b/src/test/mir-opt/loop_test.rs index 418febbdc01eb..cb23a4c671b22 100644 --- a/src/test/mir-opt/loop_test.rs +++ b/src/test/mir-opt/loop_test.rs @@ -2,6 +2,7 @@ // Tests to make sure we correctly generate falseUnwind edges in loops +// EMIT_MIR rustc.main.SimplifyCfg-qualify-consts.after.mir fn main() { // Exit early at runtime. Since only care about the generated MIR // and not the runtime behavior (which is exercised by other tests) @@ -14,31 +15,3 @@ fn main() { continue; } } - -// END RUST SOURCE -// START rustc.main.SimplifyCfg-qualify-consts.after.mir -// ... -// bb1 (cleanup): { -// resume; -// } -// ... -// bb3: { // Entry into the loop -// _1 = (); -// StorageDead(_2); -// StorageDead(_1); -// StorageLive(_4); -// goto -> bb5; -// } -// ... -// bb5: { // The loop_block -// falseUnwind -> [real: bb6, cleanup: bb1]; -// } -// bb6: { // The loop body (body_block) -// StorageLive(_6); -// _6 = const 1i32; -// FakeRead(ForLet, _6); -// StorageDead(_6); -// goto -> bb5; -// } -// ... -// END rustc.main.SimplifyCfg-qualify-consts.after.mir diff --git a/src/test/mir-opt/loop_test/rustc.main.SimplifyCfg-qualify-consts.after.mir b/src/test/mir-opt/loop_test/rustc.main.SimplifyCfg-qualify-consts.after.mir new file mode 100644 index 0000000000000..c458592e920b0 --- /dev/null +++ b/src/test/mir-opt/loop_test/rustc.main.SimplifyCfg-qualify-consts.after.mir @@ -0,0 +1,69 @@ +// MIR for `main` after SimplifyCfg-qualify-consts + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/loop_test.rs:6:11: 6:11 + let _1: (); // in scope 0 at $DIR/loop_test.rs:10:5: 12:6 + let mut _2: bool; // in scope 0 at $DIR/loop_test.rs:10:8: 10:12 + let mut _3: !; // in scope 0 at $DIR/loop_test.rs:10:13: 12:6 + let mut _4: !; // in scope 0 at $DIR/loop_test.rs:13:5: 16:6 + let mut _5: (); // in scope 0 at $DIR/loop_test.rs:6:1: 17:2 + let _6: i32; // in scope 0 at $DIR/loop_test.rs:14:13: 14:14 + scope 1 { + debug x => _6; // in scope 1 at $DIR/loop_test.rs:14:13: 14:14 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/loop_test.rs:10:5: 12:6 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/loop_test.rs:10:8: 10:12 + _2 = const true; // bb0[2]: scope 0 at $DIR/loop_test.rs:10:8: 10:12 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/loop_test.rs:10:8: 10:12 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + FakeRead(ForMatchedPlace, _2); // bb0[3]: scope 0 at $DIR/loop_test.rs:10:8: 10:12 + switchInt(_2) -> [false: bb3, otherwise: bb2]; // bb0[4]: scope 0 at $DIR/loop_test.rs:10:5: 12:6 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/loop_test.rs:6:1: 17:2 + } + + bb2: { + falseEdges -> [real: bb4, imaginary: bb3]; // bb2[0]: scope 0 at $DIR/loop_test.rs:10:5: 12:6 + } + + bb3: { + _1 = (); // bb3[0]: scope 0 at $DIR/loop_test.rs:10:5: 12:6 + StorageDead(_2); // bb3[1]: scope 0 at $DIR/loop_test.rs:12:5: 12:6 + StorageDead(_1); // bb3[2]: scope 0 at $DIR/loop_test.rs:12:5: 12:6 + StorageLive(_4); // bb3[3]: scope 0 at $DIR/loop_test.rs:13:5: 16:6 + goto -> bb5; // bb3[4]: scope 0 at $DIR/loop_test.rs:13:5: 16:6 + } + + bb4: { + _0 = (); // bb4[0]: scope 0 at $DIR/loop_test.rs:11:9: 11:15 + StorageDead(_2); // bb4[1]: scope 0 at $DIR/loop_test.rs:12:5: 12:6 + StorageDead(_1); // bb4[2]: scope 0 at $DIR/loop_test.rs:12:5: 12:6 + return; // bb4[3]: scope 0 at $DIR/loop_test.rs:17:2: 17:2 + } + + bb5: { + falseUnwind -> [real: bb6, cleanup: bb1]; // bb5[0]: scope 0 at $DIR/loop_test.rs:13:5: 16:6 + } + + bb6: { + StorageLive(_6); // bb6[0]: scope 0 at $DIR/loop_test.rs:14:13: 14:14 + _6 = const 1i32; // bb6[1]: scope 0 at $DIR/loop_test.rs:14:17: 14:18 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/loop_test.rs:14:17: 14:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + FakeRead(ForLet, _6); // bb6[2]: scope 0 at $DIR/loop_test.rs:14:13: 14:14 + StorageDead(_6); // bb6[3]: scope 0 at $DIR/loop_test.rs:16:5: 16:6 + goto -> bb5; // bb6[4]: scope 0 at $DIR/loop_test.rs:15:9: 15:17 + } +} diff --git a/src/test/mir-opt/match-arm-scopes.rs b/src/test/mir-opt/match-arm-scopes.rs index 7afc3bbd6fae8..0e30a15671528 100644 --- a/src/test/mir-opt/match-arm-scopes.rs +++ b/src/test/mir-opt/match-arm-scopes.rs @@ -1,3 +1,4 @@ +// ignore-wasm32-bare compiled with panic=abort by default // Test that StorageDead and Drops are generated properly for bindings in // matches: // * The MIR should only contain a single drop of `s` and `t`: at the end @@ -8,6 +9,8 @@ // all of the bindings for that scope. // * No drop flags are used. +// EMIT_MIR rustc.complicated_match.SimplifyCfg-initial.after.mir +// EMIT_MIR rustc.complicated_match.ElaborateDrops.after.mir fn complicated_match(cond: bool, items: (bool, bool, String)) -> i32 { match items { (false, a, s) | (a, false, s) if if cond { return 3 } else { a } => 1, @@ -31,199 +34,3 @@ fn main() { assert_eq!(complicated_match(cond, (items_1, items_2, String::new())), result,); } } - -// END RUST SOURCE -// START rustc.complicated_match.SimplifyCfg-initial.after.mir -// let mut _0: i32; -// let mut _3: &bool; // Temp for fake borrow of `items.0` -// let mut _4: &bool; // Temp for fake borrow of `items.1` -// let _5: bool; // `a` in arm -// let _6: &bool; // `a` in guard -// let _7: std::string::String; // `s` in arm -// let _8: &std::string::String; // `s` in guard -// let mut _9: bool; // `if cond { return 3 } else { a }` -// let mut _10: bool; // `cond` -// let mut _11: !; // `return 3` -// let mut _12: bool; // `if cond { return 3 } else { a }` -// let mut _13: bool; // `cond` -// let mut _14: !; // `return 3` -// let _15: bool; // `b` -// let _16: std::string::String; // `t` -// scope 1 { -// debug a => _5; -// debug a => _6; -// debug s => _7; -// debug s => _8; -// } -// scope 2 { -// debug b => _15; -// debug t => _16; -// } -// bb0: { -// FakeRead(ForMatchedPlace, _2); -// switchInt((_2.0: bool)) -> [false: bb2, otherwise: bb3]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { // pre-binding for arm 1 first pattern -// falseEdges -> [real: bb9, imaginary: bb4]; -// } -// bb3: { -// switchInt((_2.1: bool)) -> [false: bb4, otherwise: bb5]; -// } -// bb4: { // pre-binding for arm 1 second pattern -// falseEdges -> [real: bb18, imaginary: bb6]; -// } -// bb5: { -// switchInt((_2.0: bool)) -> [false: bb7, otherwise: bb6]; -// } -// bb6: { // pre-binding for arm 2 first pattern -// falseEdges -> [real: bb26, imaginary: bb7]; -// } -// bb7: { // bindings for arm 2 - second pattern -// StorageLive(_15); -// _15 = (_2.1: bool); -// StorageLive(_16); -// _16 = move (_2.2: std::string::String); -// goto -> bb25; -// } -// bb8: { // arm 1 -// _0 = const 1i32; -// drop(_7) -> [return: bb24, unwind: bb14]; -// } -// bb9: { // guard - first time -// StorageLive(_6); -// _6 = &(_2.1: bool); -// StorageLive(_8); -// _8 = &(_2.2: std::string::String); -// _3 = &shallow (_2.0: bool); -// _4 = &shallow (_2.1: bool); -// StorageLive(_9); -// StorageLive(_10); -// _10 = _1; -// FakeRead(ForMatchedPlace, _10); -// switchInt(_10) -> [false: bb11, otherwise: bb10]; -// } -// bb10: { -// falseEdges -> [real: bb12, imaginary: bb11]; -// } -// bb11: { // `else` block - first time -// _9 = (*_6); -// StorageDead(_10); -// switchInt(move _9) -> [false: bb17, otherwise: bb16]; -// } -// bb12: { // `return 3` - first time -// _0 = const 3i32; -// StorageDead(_10); -// StorageDead(_9); -// StorageDead(_8); -// StorageDead(_6); -// goto -> bb15; -// } -// bb13: { -// return; -// } -// bb14 (cleanup): { -// drop(_2) -> bb1; -// } -// bb15: { -// drop(_2) -> [return: bb13, unwind: bb1]; -// } -// bb16: { -// StorageDead(_9); -// FakeRead(ForMatchGuard, _3); -// FakeRead(ForMatchGuard, _4); -// FakeRead(ForGuardBinding, _6); -// FakeRead(ForGuardBinding, _8); -// StorageLive(_5); -// _5 = (_2.1: bool); -// StorageLive(_7); -// _7 = move (_2.2: std::string::String); -// goto -> bb8; -// } -// bb17: { // guard otherwise case - first time -// StorageDead(_9); -// StorageDead(_8); -// StorageDead(_6); -// falseEdges -> [real: bb3, imaginary: bb4]; -// } -// bb18: { // guard - second time -// StorageLive(_6); -// _6 = &(_2.0: bool); -// StorageLive(_8); -// _8 = &(_2.2: std::string::String); -// _3 = &shallow (_2.0: bool); -// _4 = &shallow (_2.1: bool); -// StorageLive(_12); -// StorageLive(_13); -// _13 = _1; -// FakeRead(ForMatchedPlace, _13); -// switchInt(_13) -> [false: bb20, otherwise: bb19]; -// } -// bb19: { -// falseEdges -> [real: bb21, imaginary: bb20]; -// } -// bb20: { // `else` block - second time -// _12 = (*_6); -// StorageDead(_13); -// switchInt(move _12) -> [false: bb23, otherwise: bb22]; -// } -// bb21: { -// _0 = const 3i32; -// StorageDead(_13); -// StorageDead(_12); -// StorageDead(_8); -// StorageDead(_6); -// goto -> bb15; -// } -// bb22: { // bindings for arm 1 -// StorageDead(_12); -// FakeRead(ForMatchGuard, _3); -// FakeRead(ForMatchGuard, _4); -// FakeRead(ForGuardBinding, _6); -// FakeRead(ForGuardBinding, _8); -// StorageLive(_5); -// _5 = (_2.0: bool); -// StorageLive(_7); -// _7 = move (_2.2: std::string::String); -// goto -> bb8; -// } -// bb23: { // Guard otherwise case - second time -// StorageDead(_12); -// StorageDead(_8); -// StorageDead(_6); -// falseEdges -> [real: bb5, imaginary: bb6]; -// } -// bb24: { // rest of arm 1 -// StorageDead(_7); -// StorageDead(_5); -// StorageDead(_8); -// StorageDead(_6); -// goto -> bb28; -// } -// bb25: { // arm 2 -// _0 = const 2i32; -// drop(_16) -> [return: bb27, unwind: bb14]; -// } -// bb26: { // bindings for arm 2 - first pattern -// StorageLive(_15); -// _15 = (_2.1: bool); -// StorageLive(_16); -// _16 = move (_2.2: std::string::String); -// goto -> bb25; -// } - -// bb27: { // rest of arm 2 -// StorageDead(_16); -// StorageDead(_15); -// goto -> bb28; -// } -// bb28: { -// drop(_2) -> [return: bb13, unwind: bb1]; -// } -// END rustc.complicated_match.SimplifyCfg-initial.after.mir -// START rustc.complicated_match.ElaborateDrops.after.mir -// let _16: std::string::String; // No drop flags, which would come after this. -// scope 1 { -// END rustc.complicated_match.ElaborateDrops.after.mir diff --git a/src/test/mir-opt/match-arm-scopes/rustc.complicated_match.ElaborateDrops.after.mir b/src/test/mir-opt/match-arm-scopes/rustc.complicated_match.ElaborateDrops.after.mir new file mode 100644 index 0000000000000..0b60f4f3321b6 --- /dev/null +++ b/src/test/mir-opt/match-arm-scopes/rustc.complicated_match.ElaborateDrops.after.mir @@ -0,0 +1,235 @@ +// MIR for `complicated_match` after ElaborateDrops + +fn complicated_match(_1: bool, _2: (bool, bool, std::string::String)) -> i32 { + debug cond => _1; // in scope 0 at $DIR/match-arm-scopes.rs:14:22: 14:26 + debug items => _2; // in scope 0 at $DIR/match-arm-scopes.rs:14:34: 14:39 + let mut _0: i32; // return place in scope 0 at $DIR/match-arm-scopes.rs:14:66: 14:69 + let mut _3: &bool; // in scope 0 at $DIR/match-arm-scopes.rs:15:11: 15:16 + let mut _4: &bool; // in scope 0 at $DIR/match-arm-scopes.rs:15:11: 15:16 + let _5: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + let _6: &bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + let _7: std::string::String; // in scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + let _8: &std::string::String; // in scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + let mut _9: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + let mut _10: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + let mut _11: !; // in scope 0 at $DIR/match-arm-scopes.rs:16:52: 16:60 + let mut _12: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + let mut _13: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + let mut _14: !; // in scope 0 at $DIR/match-arm-scopes.rs:16:52: 16:60 + let _15: bool; // in scope 0 at $DIR/match-arm-scopes.rs:17:16: 17:17 + let _16: std::string::String; // in scope 0 at $DIR/match-arm-scopes.rs:17:19: 17:20 + scope 1 { + debug a => _5; // in scope 1 at $DIR/match-arm-scopes.rs:16:17: 16:18 + debug a => _6; // in scope 1 at $DIR/match-arm-scopes.rs:16:17: 16:18 + debug s => _7; // in scope 1 at $DIR/match-arm-scopes.rs:16:20: 16:21 + debug s => _8; // in scope 1 at $DIR/match-arm-scopes.rs:16:20: 16:21 + } + scope 2 { + debug b => _15; // in scope 2 at $DIR/match-arm-scopes.rs:17:16: 17:17 + debug t => _16; // in scope 2 at $DIR/match-arm-scopes.rs:17:19: 17:20 + } + + bb0: { + switchInt((_2.0: bool)) -> [false: bb6, otherwise: bb2]; // bb0[0]: scope 0 at $DIR/match-arm-scopes.rs:16:10: 16:15 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/match-arm-scopes.rs:14:1: 19:2 + } + + bb2: { + switchInt((_2.1: bool)) -> [false: bb14, otherwise: bb3]; // bb2[0]: scope 0 at $DIR/match-arm-scopes.rs:16:29: 16:34 + } + + bb3: { + switchInt((_2.0: bool)) -> [false: bb4, otherwise: bb21]; // bb3[0]: scope 0 at $DIR/match-arm-scopes.rs:17:10: 17:14 + } + + bb4: { + StorageLive(_15); // bb4[0]: scope 0 at $DIR/match-arm-scopes.rs:17:32: 17:33 + _15 = (_2.1: bool); // bb4[1]: scope 0 at $DIR/match-arm-scopes.rs:17:32: 17:33 + StorageLive(_16); // bb4[2]: scope 0 at $DIR/match-arm-scopes.rs:17:35: 17:36 + _16 = move (_2.2: std::string::String); // bb4[3]: scope 0 at $DIR/match-arm-scopes.rs:17:35: 17:36 + goto -> bb20; // bb4[4]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb5: { + _0 = const 1i32; // bb5[0]: scope 1 at $DIR/match-arm-scopes.rs:16:77: 16:78 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/match-arm-scopes.rs:16:77: 16:78 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + drop(_7) -> [return: bb19, unwind: bb10]; // bb5[1]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + } + + bb6: { + StorageLive(_6); // bb6[0]: scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + _6 = &(_2.1: bool); // bb6[1]: scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + StorageLive(_8); // bb6[2]: scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + _8 = &(_2.2: std::string::String); // bb6[3]: scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + StorageLive(_9); // bb6[4]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + StorageLive(_10); // bb6[5]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + _10 = _1; // bb6[6]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + switchInt(_10) -> [false: bb7, otherwise: bb8]; // bb6[7]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb7: { + _9 = (*_6); // bb7[0]: scope 0 at $DIR/match-arm-scopes.rs:16:70: 16:71 + StorageDead(_10); // bb7[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + switchInt(move _9) -> [false: bb13, otherwise: bb12]; // bb7[2]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb8: { + _0 = const 3i32; // bb8[0]: scope 0 at $DIR/match-arm-scopes.rs:16:59: 16:60 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match-arm-scopes.rs:16:59: 16:60 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + StorageDead(_10); // bb8[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + StorageDead(_9); // bb8[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb8[3]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb8[4]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + goto -> bb11; // bb8[5]: scope 0 at $DIR/match-arm-scopes.rs:16:52: 16:60 + } + + bb9: { + return; // bb9[0]: scope 0 at $DIR/match-arm-scopes.rs:19:2: 19:2 + } + + bb10 (cleanup): { + goto -> bb25; // bb10[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb11: { + drop(_2) -> [return: bb9, unwind: bb1]; // bb11[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb12: { + StorageDead(_9); // bb12[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageLive(_5); // bb12[1]: scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + _5 = (_2.1: bool); // bb12[2]: scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + StorageLive(_7); // bb12[3]: scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + _7 = move (_2.2: std::string::String); // bb12[4]: scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + goto -> bb5; // bb12[5]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb13: { + StorageDead(_9); // bb13[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb13[1]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb13[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + goto -> bb2; // bb13[3]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb14: { + StorageLive(_6); // bb14[0]: scope 0 at $DIR/match-arm-scopes.rs:16:26: 16:27 + _6 = &(_2.0: bool); // bb14[1]: scope 0 at $DIR/match-arm-scopes.rs:16:26: 16:27 + StorageLive(_8); // bb14[2]: scope 0 at $DIR/match-arm-scopes.rs:16:36: 16:37 + _8 = &(_2.2: std::string::String); // bb14[3]: scope 0 at $DIR/match-arm-scopes.rs:16:36: 16:37 + StorageLive(_12); // bb14[4]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + StorageLive(_13); // bb14[5]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + _13 = _1; // bb14[6]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + switchInt(_13) -> [false: bb15, otherwise: bb16]; // bb14[7]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb15: { + _12 = (*_6); // bb15[0]: scope 0 at $DIR/match-arm-scopes.rs:16:70: 16:71 + StorageDead(_13); // bb15[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + switchInt(move _12) -> [false: bb18, otherwise: bb17]; // bb15[2]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb16: { + _0 = const 3i32; // bb16[0]: scope 0 at $DIR/match-arm-scopes.rs:16:59: 16:60 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match-arm-scopes.rs:16:59: 16:60 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + StorageDead(_13); // bb16[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + StorageDead(_12); // bb16[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb16[3]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb16[4]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + goto -> bb11; // bb16[5]: scope 0 at $DIR/match-arm-scopes.rs:16:52: 16:60 + } + + bb17: { + StorageDead(_12); // bb17[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageLive(_5); // bb17[1]: scope 0 at $DIR/match-arm-scopes.rs:16:26: 16:27 + _5 = (_2.0: bool); // bb17[2]: scope 0 at $DIR/match-arm-scopes.rs:16:26: 16:27 + StorageLive(_7); // bb17[3]: scope 0 at $DIR/match-arm-scopes.rs:16:36: 16:37 + _7 = move (_2.2: std::string::String); // bb17[4]: scope 0 at $DIR/match-arm-scopes.rs:16:36: 16:37 + goto -> bb5; // bb17[5]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb18: { + StorageDead(_12); // bb18[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb18[1]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb18[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + goto -> bb3; // bb18[3]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb19: { + StorageDead(_7); // bb19[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_5); // bb19[1]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb19[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb19[3]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + goto -> bb23; // bb19[4]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb20: { + _0 = const 2i32; // bb20[0]: scope 2 at $DIR/match-arm-scopes.rs:17:41: 17:42 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/match-arm-scopes.rs:17:41: 17:42 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + drop(_16) -> [return: bb22, unwind: bb10]; // bb20[1]: scope 0 at $DIR/match-arm-scopes.rs:17:42: 17:43 + } + + bb21: { + StorageLive(_15); // bb21[0]: scope 0 at $DIR/match-arm-scopes.rs:17:16: 17:17 + _15 = (_2.1: bool); // bb21[1]: scope 0 at $DIR/match-arm-scopes.rs:17:16: 17:17 + StorageLive(_16); // bb21[2]: scope 0 at $DIR/match-arm-scopes.rs:17:19: 17:20 + _16 = move (_2.2: std::string::String); // bb21[3]: scope 0 at $DIR/match-arm-scopes.rs:17:19: 17:20 + goto -> bb20; // bb21[4]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb22: { + StorageDead(_16); // bb22[0]: scope 0 at $DIR/match-arm-scopes.rs:17:42: 17:43 + StorageDead(_15); // bb22[1]: scope 0 at $DIR/match-arm-scopes.rs:17:42: 17:43 + goto -> bb23; // bb22[2]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb23: { + goto -> bb29; // bb23[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb24 (cleanup): { + goto -> bb1; // bb24[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb25 (cleanup): { + goto -> bb24; // bb25[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb26: { + goto -> bb9; // bb26[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb27 (cleanup): { + goto -> bb1; // bb27[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb28 (cleanup): { + goto -> bb27; // bb28[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb29: { + goto -> bb26; // bb29[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } +} diff --git a/src/test/mir-opt/match-arm-scopes/rustc.complicated_match.SimplifyCfg-initial.after.mir b/src/test/mir-opt/match-arm-scopes/rustc.complicated_match.SimplifyCfg-initial.after.mir new file mode 100644 index 0000000000000..80ce94a7f3c61 --- /dev/null +++ b/src/test/mir-opt/match-arm-scopes/rustc.complicated_match.SimplifyCfg-initial.after.mir @@ -0,0 +1,246 @@ +// MIR for `complicated_match` after SimplifyCfg-initial + +fn complicated_match(_1: bool, _2: (bool, bool, std::string::String)) -> i32 { + debug cond => _1; // in scope 0 at $DIR/match-arm-scopes.rs:14:22: 14:26 + debug items => _2; // in scope 0 at $DIR/match-arm-scopes.rs:14:34: 14:39 + let mut _0: i32; // return place in scope 0 at $DIR/match-arm-scopes.rs:14:66: 14:69 + let mut _3: &bool; // in scope 0 at $DIR/match-arm-scopes.rs:15:11: 15:16 + let mut _4: &bool; // in scope 0 at $DIR/match-arm-scopes.rs:15:11: 15:16 + let _5: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + let _6: &bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + let _7: std::string::String; // in scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + let _8: &std::string::String; // in scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + let mut _9: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + let mut _10: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + let mut _11: !; // in scope 0 at $DIR/match-arm-scopes.rs:16:52: 16:60 + let mut _12: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + let mut _13: bool; // in scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + let mut _14: !; // in scope 0 at $DIR/match-arm-scopes.rs:16:52: 16:60 + let _15: bool; // in scope 0 at $DIR/match-arm-scopes.rs:17:16: 17:17 + let _16: std::string::String; // in scope 0 at $DIR/match-arm-scopes.rs:17:19: 17:20 + scope 1 { + debug a => _5; // in scope 1 at $DIR/match-arm-scopes.rs:16:17: 16:18 + debug a => _6; // in scope 1 at $DIR/match-arm-scopes.rs:16:17: 16:18 + debug s => _7; // in scope 1 at $DIR/match-arm-scopes.rs:16:20: 16:21 + debug s => _8; // in scope 1 at $DIR/match-arm-scopes.rs:16:20: 16:21 + } + scope 2 { + debug b => _15; // in scope 2 at $DIR/match-arm-scopes.rs:17:16: 17:17 + debug t => _16; // in scope 2 at $DIR/match-arm-scopes.rs:17:19: 17:20 + } + + bb0: { + FakeRead(ForMatchedPlace, _2); // bb0[0]: scope 0 at $DIR/match-arm-scopes.rs:15:11: 15:16 + switchInt((_2.0: bool)) -> [false: bb2, otherwise: bb3]; // bb0[1]: scope 0 at $DIR/match-arm-scopes.rs:16:10: 16:15 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/match-arm-scopes.rs:14:1: 19:2 + } + + bb2: { + falseEdges -> [real: bb9, imaginary: bb4]; // bb2[0]: scope 0 at $DIR/match-arm-scopes.rs:16:9: 16:22 + } + + bb3: { + switchInt((_2.1: bool)) -> [false: bb4, otherwise: bb5]; // bb3[0]: scope 0 at $DIR/match-arm-scopes.rs:16:29: 16:34 + } + + bb4: { + falseEdges -> [real: bb18, imaginary: bb6]; // bb4[0]: scope 0 at $DIR/match-arm-scopes.rs:16:25: 16:38 + } + + bb5: { + switchInt((_2.0: bool)) -> [false: bb7, otherwise: bb6]; // bb5[0]: scope 0 at $DIR/match-arm-scopes.rs:17:10: 17:14 + } + + bb6: { + falseEdges -> [real: bb26, imaginary: bb7]; // bb6[0]: scope 0 at $DIR/match-arm-scopes.rs:17:9: 17:21 + } + + bb7: { + StorageLive(_15); // bb7[0]: scope 0 at $DIR/match-arm-scopes.rs:17:32: 17:33 + _15 = (_2.1: bool); // bb7[1]: scope 0 at $DIR/match-arm-scopes.rs:17:32: 17:33 + StorageLive(_16); // bb7[2]: scope 0 at $DIR/match-arm-scopes.rs:17:35: 17:36 + _16 = move (_2.2: std::string::String); // bb7[3]: scope 0 at $DIR/match-arm-scopes.rs:17:35: 17:36 + goto -> bb25; // bb7[4]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb8: { + _0 = const 1i32; // bb8[0]: scope 1 at $DIR/match-arm-scopes.rs:16:77: 16:78 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/match-arm-scopes.rs:16:77: 16:78 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + drop(_7) -> [return: bb24, unwind: bb14]; // bb8[1]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + } + + bb9: { + StorageLive(_6); // bb9[0]: scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + _6 = &(_2.1: bool); // bb9[1]: scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + StorageLive(_8); // bb9[2]: scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + _8 = &(_2.2: std::string::String); // bb9[3]: scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + _3 = &shallow (_2.0: bool); // bb9[4]: scope 0 at $DIR/match-arm-scopes.rs:15:11: 15:16 + _4 = &shallow (_2.1: bool); // bb9[5]: scope 0 at $DIR/match-arm-scopes.rs:15:11: 15:16 + StorageLive(_9); // bb9[6]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + StorageLive(_10); // bb9[7]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + _10 = _1; // bb9[8]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + FakeRead(ForMatchedPlace, _10); // bb9[9]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + switchInt(_10) -> [false: bb11, otherwise: bb10]; // bb9[10]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb10: { + falseEdges -> [real: bb12, imaginary: bb11]; // bb10[0]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb11: { + _9 = (*_6); // bb11[0]: scope 0 at $DIR/match-arm-scopes.rs:16:70: 16:71 + StorageDead(_10); // bb11[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + switchInt(move _9) -> [false: bb17, otherwise: bb16]; // bb11[2]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb12: { + _0 = const 3i32; // bb12[0]: scope 0 at $DIR/match-arm-scopes.rs:16:59: 16:60 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match-arm-scopes.rs:16:59: 16:60 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + StorageDead(_10); // bb12[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + StorageDead(_9); // bb12[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb12[3]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb12[4]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + goto -> bb15; // bb12[5]: scope 0 at $DIR/match-arm-scopes.rs:16:52: 16:60 + } + + bb13: { + return; // bb13[0]: scope 0 at $DIR/match-arm-scopes.rs:19:2: 19:2 + } + + bb14 (cleanup): { + drop(_2) -> bb1; // bb14[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb15: { + drop(_2) -> [return: bb13, unwind: bb1]; // bb15[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } + + bb16: { + StorageDead(_9); // bb16[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + FakeRead(ForMatchGuard, _3); // bb16[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + FakeRead(ForMatchGuard, _4); // bb16[2]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + FakeRead(ForGuardBinding, _6); // bb16[3]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + FakeRead(ForGuardBinding, _8); // bb16[4]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + StorageLive(_5); // bb16[5]: scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + _5 = (_2.1: bool); // bb16[6]: scope 0 at $DIR/match-arm-scopes.rs:16:17: 16:18 + StorageLive(_7); // bb16[7]: scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + _7 = move (_2.2: std::string::String); // bb16[8]: scope 0 at $DIR/match-arm-scopes.rs:16:20: 16:21 + goto -> bb8; // bb16[9]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb17: { + StorageDead(_9); // bb17[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb17[1]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb17[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + falseEdges -> [real: bb3, imaginary: bb4]; // bb17[3]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb18: { + StorageLive(_6); // bb18[0]: scope 0 at $DIR/match-arm-scopes.rs:16:26: 16:27 + _6 = &(_2.0: bool); // bb18[1]: scope 0 at $DIR/match-arm-scopes.rs:16:26: 16:27 + StorageLive(_8); // bb18[2]: scope 0 at $DIR/match-arm-scopes.rs:16:36: 16:37 + _8 = &(_2.2: std::string::String); // bb18[3]: scope 0 at $DIR/match-arm-scopes.rs:16:36: 16:37 + _3 = &shallow (_2.0: bool); // bb18[4]: scope 0 at $DIR/match-arm-scopes.rs:15:11: 15:16 + _4 = &shallow (_2.1: bool); // bb18[5]: scope 0 at $DIR/match-arm-scopes.rs:15:11: 15:16 + StorageLive(_12); // bb18[6]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + StorageLive(_13); // bb18[7]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + _13 = _1; // bb18[8]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + FakeRead(ForMatchedPlace, _13); // bb18[9]: scope 0 at $DIR/match-arm-scopes.rs:16:45: 16:49 + switchInt(_13) -> [false: bb20, otherwise: bb19]; // bb18[10]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb19: { + falseEdges -> [real: bb21, imaginary: bb20]; // bb19[0]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb20: { + _12 = (*_6); // bb20[0]: scope 0 at $DIR/match-arm-scopes.rs:16:70: 16:71 + StorageDead(_13); // bb20[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + switchInt(move _12) -> [false: bb23, otherwise: bb22]; // bb20[2]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb21: { + _0 = const 3i32; // bb21[0]: scope 0 at $DIR/match-arm-scopes.rs:16:59: 16:60 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match-arm-scopes.rs:16:59: 16:60 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + StorageDead(_13); // bb21[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + StorageDead(_12); // bb21[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb21[3]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb21[4]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + goto -> bb15; // bb21[5]: scope 0 at $DIR/match-arm-scopes.rs:16:52: 16:60 + } + + bb22: { + StorageDead(_12); // bb22[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + FakeRead(ForMatchGuard, _3); // bb22[1]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + FakeRead(ForMatchGuard, _4); // bb22[2]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + FakeRead(ForGuardBinding, _6); // bb22[3]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + FakeRead(ForGuardBinding, _8); // bb22[4]: scope 0 at $DIR/match-arm-scopes.rs:16:72: 16:73 + StorageLive(_5); // bb22[5]: scope 0 at $DIR/match-arm-scopes.rs:16:26: 16:27 + _5 = (_2.0: bool); // bb22[6]: scope 0 at $DIR/match-arm-scopes.rs:16:26: 16:27 + StorageLive(_7); // bb22[7]: scope 0 at $DIR/match-arm-scopes.rs:16:36: 16:37 + _7 = move (_2.2: std::string::String); // bb22[8]: scope 0 at $DIR/match-arm-scopes.rs:16:36: 16:37 + goto -> bb8; // bb22[9]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb23: { + StorageDead(_12); // bb23[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb23[1]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb23[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + falseEdges -> [real: bb5, imaginary: bb6]; // bb23[3]: scope 0 at $DIR/match-arm-scopes.rs:16:42: 16:73 + } + + bb24: { + StorageDead(_7); // bb24[0]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_5); // bb24[1]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_8); // bb24[2]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + StorageDead(_6); // bb24[3]: scope 0 at $DIR/match-arm-scopes.rs:16:78: 16:79 + goto -> bb28; // bb24[4]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb25: { + _0 = const 2i32; // bb25[0]: scope 2 at $DIR/match-arm-scopes.rs:17:41: 17:42 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/match-arm-scopes.rs:17:41: 17:42 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + drop(_16) -> [return: bb27, unwind: bb14]; // bb25[1]: scope 0 at $DIR/match-arm-scopes.rs:17:42: 17:43 + } + + bb26: { + StorageLive(_15); // bb26[0]: scope 0 at $DIR/match-arm-scopes.rs:17:16: 17:17 + _15 = (_2.1: bool); // bb26[1]: scope 0 at $DIR/match-arm-scopes.rs:17:16: 17:17 + StorageLive(_16); // bb26[2]: scope 0 at $DIR/match-arm-scopes.rs:17:19: 17:20 + _16 = move (_2.2: std::string::String); // bb26[3]: scope 0 at $DIR/match-arm-scopes.rs:17:19: 17:20 + goto -> bb25; // bb26[4]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb27: { + StorageDead(_16); // bb27[0]: scope 0 at $DIR/match-arm-scopes.rs:17:42: 17:43 + StorageDead(_15); // bb27[1]: scope 0 at $DIR/match-arm-scopes.rs:17:42: 17:43 + goto -> bb28; // bb27[2]: scope 0 at $DIR/match-arm-scopes.rs:15:5: 18:6 + } + + bb28: { + drop(_2) -> [return: bb13, unwind: bb1]; // bb28[0]: scope 0 at $DIR/match-arm-scopes.rs:19:1: 19:2 + } +} diff --git a/src/test/mir-opt/match_false_edges.rs b/src/test/mir-opt/match_false_edges.rs index 237828d9020db..91f4aad165edd 100644 --- a/src/test/mir-opt/match_false_edges.rs +++ b/src/test/mir-opt/match_false_edges.rs @@ -10,6 +10,7 @@ fn guard2(_: i32) -> bool { // no_mangle to make sure this gets instantiated even in an executable. #[no_mangle] +// EMIT_MIR rustc.full_tested_match.PromoteTemps.after.mir pub fn full_tested_match() { let _ = match Some(42) { Some(x) if guard() => (1, x), @@ -20,6 +21,7 @@ pub fn full_tested_match() { // no_mangle to make sure this gets instantiated even in an executable. #[no_mangle] +// EMIT_MIR rustc.full_tested_match2.PromoteTemps.before.mir pub fn full_tested_match2() { let _ = match Some(42) { Some(x) if guard() => (1, x), @@ -28,6 +30,7 @@ pub fn full_tested_match2() { }; } +// EMIT_MIR rustc.main.PromoteTemps.before.mir fn main() { let _ = match Some(1) { Some(_w) if guard() => 1, @@ -36,245 +39,3 @@ fn main() { _z => 4, }; } - -// END RUST SOURCE -// -// START rustc.full_tested_match.PromoteTemps.after.mir -// bb0: { -// ... -// _2 = std::option::Option::::Some(const 42i32,); -// FakeRead(ForMatchedPlace, _2); -// _3 = discriminant(_2); -// switchInt(move _3) -> [0isize: bb2, 1isize: bb3, otherwise: bb5]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { // pre_binding3 and arm3 -// _1 = (const 3i32, const 3i32); -// goto -> bb11; -// } -// bb3: { -// falseEdges -> [real: bb6, imaginary: bb4]; //pre_binding1 -// } -// bb4: { -// falseEdges -> [real: bb10, imaginary: bb2]; //pre_binding2 -// } -// bb5: { -// unreachable; -// } -// bb6: { // binding1 and guard -// StorageLive(_6); -// _11 = const full_tested_match::promoted[0]; -// _6 = &(((*_11) as Some).0: i32); -// _4 = &shallow _2; -// StorageLive(_7); -// _7 = const guard() -> [return: bb7, unwind: bb1]; -// } -// bb7: { // end of guard -// switchInt(move _7) -> [false: bb9, otherwise: bb8]; -// } -// bb8: { // arm1 -// StorageDead(_7); -// FakeRead(ForMatchGuard, _4); -// FakeRead(ForGuardBinding, _6); -// StorageLive(_5); -// _5 = ((_2 as Some).0: i32); -// StorageLive(_8); -// _8 = _5; -// _1 = (const 1i32, move _8); -// StorageDead(_8); -// StorageDead(_5); -// StorageDead(_6); -// goto -> bb11; -// } -// bb9: { // to pre_binding2 -// StorageDead(_7); -// StorageDead(_6); -// goto -> bb4; -// } -// bb10: { // arm2 -// StorageLive(_9); -// _9 = ((_2 as Some).0: i32); -// StorageLive(_10); -// _10 = _9; -// _1 = (const 2i32, move _10); -// StorageDead(_10); -// StorageDead(_9); -// goto -> bb11; -// } -// bb11: { -// StorageDead(_2); -// StorageDead(_1); -// _0 = (); -// return; -// } -// END rustc.full_tested_match.PromoteTemps.after.mir -// -// START rustc.full_tested_match2.PromoteTemps.before.mir -// bb0: { -// ... -// _2 = std::option::Option::::Some(const 42i32,); -// FakeRead(ForMatchedPlace, _2); -// _3 = discriminant(_2); -// switchInt(move _3) -> [0isize: bb2, 1isize: bb3, otherwise: bb5]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { // pre_binding2 -// falseEdges -> [real: bb10, imaginary: bb4]; -// } -// bb3: { // pre_binding1 -// falseEdges -> [real: bb6, imaginary: bb2]; -// } -// bb4: { // binding3 and arm3 -// StorageLive(_9); -// _9 = ((_2 as Some).0: i32); -// StorageLive(_10); -// _10 = _9; -// _1 = (const 2i32, move _10); -// StorageDead(_10); -// StorageDead(_9); -// goto -> bb11; -// } -// bb5: { -// unreachable; -// } -// bb6: { -// StorageLive(_6); -// _6 = &((_2 as Some).0: i32); -// _4 = &shallow _2; -// StorageLive(_7); -// _7 = const guard() -> [return: bb7, unwind: bb1]; -// } -// bb7: { // end of guard -// switchInt(move _7) -> [false: bb9, otherwise: bb8]; -// } -// bb8: { -// StorageDead(_7); -// FakeRead(ForMatchGuard, _4); -// FakeRead(ForGuardBinding, _6); -// StorageLive(_5); -// _5 = ((_2 as Some).0: i32); -// StorageLive(_8); -// _8 = _5; -// _1 = (const 1i32, move _8); -// StorageDead(_8); -// StorageDead(_5); -// StorageDead(_6); -// goto -> bb11; -// } -// bb9: { // to pre_binding3 (can skip 2 since this is `Some`) -// StorageDead(_7); -// StorageDead(_6); -// falseEdges -> [real: bb4, imaginary: bb2]; -// } -// bb10: { // arm2 -// _1 = (const 3i32, const 3i32); -// goto -> bb11; -// } -// bb11: { -// StorageDead(_2); -// StorageDead(_1); -// _0 = (); -// return; -// } -// END rustc.full_tested_match2.PromoteTemps.before.mir -// -// START rustc.main.PromoteTemps.before.mir -// bb0: { -// ... -// _2 = std::option::Option::::Some(const 1i32,); -// FakeRead(ForMatchedPlace, _2); -// _4 = discriminant(_2); -// switchInt(move _4) -> [1isize: bb3, otherwise: bb2]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// falseEdges -> [real: bb10, imaginary: bb5]; -// } -// bb3: { -// falseEdges -> [real: bb6, imaginary: bb2]; -// } -// bb4: { -// StorageLive(_14); -// _14 = _2; -// _1 = const 4i32; -// StorageDead(_14); -// goto -> bb15; -// } -// bb5: { -// falseEdges -> [real: bb11, imaginary: bb4]; -// } -// bb6: { //end of guard1 -// StorageLive(_7); -// _7 = &((_2 as Some).0: i32); -// _5 = &shallow _2; -// StorageLive(_8); -// _8 = const guard() -> [return: bb7, unwind: bb1]; -// } -// bb7: { -// switchInt(move _8) -> [false: bb9, otherwise: bb8]; -// } -// bb8: { -// StorageDead(_8); -// FakeRead(ForMatchGuard, _5); -// FakeRead(ForGuardBinding, _7); -// StorageLive(_6); -// _6 = ((_2 as Some).0: i32); -// _1 = const 1i32; -// StorageDead(_6); -// StorageDead(_7); -// goto -> bb15; -// } -// bb9: { -// StorageDead(_8); -// StorageDead(_7); -// falseEdges -> [real: bb2, imaginary: bb2]; -// } -// bb10: { // binding2 & arm2 -// StorageLive(_9); -// _9 = _2; -// _1 = const 2i32; -// StorageDead(_9); -// goto -> bb15; -// } -// bb11: { // binding3: Some(y) if guard2(y) -// StorageLive(_11); -// _11 = &((_2 as Some).0: i32); -// _5 = &shallow _2; -// StorageLive(_12); -// StorageLive(_13); -// _13 = (*_11); -// _12 = const guard2(move _13) -> [return: bb12, unwind: bb1]; -// } -// bb12: { // end of guard2 -// StorageDead(_13); -// switchInt(move _12) -> [false: bb14, otherwise: bb13]; -// } -// bb13: { // binding4 & arm4 -// StorageDead(_12); -// FakeRead(ForMatchGuard, _5); -// FakeRead(ForGuardBinding, _11); -// StorageLive(_10); -// _10 = ((_2 as Some).0: i32); -// _1 = const 3i32; -// StorageDead(_10); -// StorageDead(_11); -// goto -> bb15; -// } -// bb14: { -// StorageDead(_12); -// StorageDead(_11); -// falseEdges -> [real: bb4, imaginary: bb4]; -// } -// bb15: { -// StorageDead(_2); -// StorageDead(_1); -// _0 = (); -// return; -// } -// END rustc.main.PromoteTemps.before.mir diff --git a/src/test/mir-opt/match_false_edges/rustc.full_tested_match.PromoteTemps.after.mir b/src/test/mir-opt/match_false_edges/rustc.full_tested_match.PromoteTemps.after.mir new file mode 100644 index 0000000000000..acc03cce46eb2 --- /dev/null +++ b/src/test/mir-opt/match_false_edges/rustc.full_tested_match.PromoteTemps.after.mir @@ -0,0 +1,149 @@ +// MIR for `full_tested_match` after PromoteTemps + +fn full_tested_match() -> () { + let mut _0: (); // return place in scope 0 at $DIR/match_false_edges.rs:14:28: 14:28 + let mut _1: (i32, i32); // in scope 0 at $DIR/match_false_edges.rs:15:13: 19:6 + let mut _2: std::option::Option; // in scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 + let mut _3: isize; // in scope 0 at $DIR/match_false_edges.rs:16:9: 16:16 + let mut _4: &std::option::Option; // in scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 + let _5: i32; // in scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 + let _6: &i32; // in scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 + let mut _7: bool; // in scope 0 at $DIR/match_false_edges.rs:16:20: 16:27 + let mut _8: i32; // in scope 0 at $DIR/match_false_edges.rs:16:35: 16:36 + let _9: i32; // in scope 0 at $DIR/match_false_edges.rs:17:14: 17:15 + let mut _10: i32; // in scope 0 at $DIR/match_false_edges.rs:17:24: 17:25 + let mut _11: &std::option::Option; // in scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 + scope 1 { + } + scope 2 { + debug x => _5; // in scope 2 at $DIR/match_false_edges.rs:16:14: 16:15 + debug x => _6; // in scope 2 at $DIR/match_false_edges.rs:16:14: 16:15 + } + scope 3 { + debug y => _9; // in scope 3 at $DIR/match_false_edges.rs:17:14: 17:15 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/match_false_edges.rs:15:13: 19:6 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 + _2 = std::option::Option::::Some(const 42i32,); // bb0[2]: scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:15:24: 15:26 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000002a)) } + FakeRead(ForMatchedPlace, _2); // bb0[3]: scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 + _3 = discriminant(_2); // bb0[4]: scope 0 at $DIR/match_false_edges.rs:16:9: 16:16 + switchInt(move _3) -> [0isize: bb2, 1isize: bb3, otherwise: bb5]; // bb0[5]: scope 0 at $DIR/match_false_edges.rs:16:9: 16:16 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/match_false_edges.rs:14:1: 20:2 + } + + bb2: { + _1 = (const 3i32, const 3i32); // bb2[0]: scope 0 at $DIR/match_false_edges.rs:18:17: 18:23 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:18:18: 18:19 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:18:21: 18:22 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + goto -> bb11; // bb2[1]: scope 0 at $DIR/match_false_edges.rs:15:13: 19:6 + } + + bb3: { + falseEdges -> [real: bb6, imaginary: bb4]; // bb3[0]: scope 0 at $DIR/match_false_edges.rs:16:9: 16:16 + } + + bb4: { + falseEdges -> [real: bb10, imaginary: bb2]; // bb4[0]: scope 0 at $DIR/match_false_edges.rs:17:9: 17:16 + } + + bb5: { + unreachable; // bb5[0]: scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 + } + + bb6: { + StorageLive(_6); // bb6[0]: scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 + _11 = const full_tested_match::promoted[0]; // bb6[1]: scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 + // ty::Const + // + ty: &std::option::Option + // + val: Unevaluated(DefId(0:5 ~ match_false_edges[317d]::full_tested_match[0]), [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/match_false_edges.rs:16:14: 16:15 + // + literal: Const { ty: &std::option::Option, val: Unevaluated(DefId(0:5 ~ match_false_edges[317d]::full_tested_match[0]), [], Some(promoted[0])) } + _6 = &(((*_11) as Some).0: i32); // bb6[2]: scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 + _4 = &shallow _2; // bb6[3]: scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 + StorageLive(_7); // bb6[4]: scope 0 at $DIR/match_false_edges.rs:16:20: 16:27 + _7 = const guard() -> [return: bb7, unwind: bb1]; // bb6[5]: scope 0 at $DIR/match_false_edges.rs:16:20: 16:27 + // ty::Const + // + ty: fn() -> bool {guard} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/match_false_edges.rs:16:20: 16:25 + // + literal: Const { ty: fn() -> bool {guard}, val: Value(Scalar()) } + } + + bb7: { + switchInt(move _7) -> [false: bb9, otherwise: bb8]; // bb7[0]: scope 0 at $DIR/match_false_edges.rs:16:20: 16:27 + } + + bb8: { + StorageDead(_7); // bb8[0]: scope 0 at $DIR/match_false_edges.rs:16:37: 16:38 + FakeRead(ForMatchGuard, _4); // bb8[1]: scope 0 at $DIR/match_false_edges.rs:16:26: 16:27 + FakeRead(ForGuardBinding, _6); // bb8[2]: scope 0 at $DIR/match_false_edges.rs:16:26: 16:27 + StorageLive(_5); // bb8[3]: scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 + _5 = ((_2 as Some).0: i32); // bb8[4]: scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 + StorageLive(_8); // bb8[5]: scope 2 at $DIR/match_false_edges.rs:16:35: 16:36 + _8 = _5; // bb8[6]: scope 2 at $DIR/match_false_edges.rs:16:35: 16:36 + _1 = (const 1i32, move _8); // bb8[7]: scope 2 at $DIR/match_false_edges.rs:16:31: 16:37 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:16:32: 16:33 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + StorageDead(_8); // bb8[8]: scope 2 at $DIR/match_false_edges.rs:16:36: 16:37 + StorageDead(_5); // bb8[9]: scope 0 at $DIR/match_false_edges.rs:16:37: 16:38 + StorageDead(_6); // bb8[10]: scope 0 at $DIR/match_false_edges.rs:16:37: 16:38 + goto -> bb11; // bb8[11]: scope 0 at $DIR/match_false_edges.rs:15:13: 19:6 + } + + bb9: { + StorageDead(_7); // bb9[0]: scope 0 at $DIR/match_false_edges.rs:16:37: 16:38 + StorageDead(_6); // bb9[1]: scope 0 at $DIR/match_false_edges.rs:16:37: 16:38 + goto -> bb4; // bb9[2]: scope 0 at $DIR/match_false_edges.rs:16:20: 16:27 + } + + bb10: { + StorageLive(_9); // bb10[0]: scope 0 at $DIR/match_false_edges.rs:17:14: 17:15 + _9 = ((_2 as Some).0: i32); // bb10[1]: scope 0 at $DIR/match_false_edges.rs:17:14: 17:15 + StorageLive(_10); // bb10[2]: scope 3 at $DIR/match_false_edges.rs:17:24: 17:25 + _10 = _9; // bb10[3]: scope 3 at $DIR/match_false_edges.rs:17:24: 17:25 + _1 = (const 2i32, move _10); // bb10[4]: scope 3 at $DIR/match_false_edges.rs:17:20: 17:26 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:17:21: 17:22 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + StorageDead(_10); // bb10[5]: scope 3 at $DIR/match_false_edges.rs:17:25: 17:26 + StorageDead(_9); // bb10[6]: scope 0 at $DIR/match_false_edges.rs:17:26: 17:27 + goto -> bb11; // bb10[7]: scope 0 at $DIR/match_false_edges.rs:15:13: 19:6 + } + + bb11: { + StorageDead(_2); // bb11[0]: scope 0 at $DIR/match_false_edges.rs:19:6: 19:7 + StorageDead(_1); // bb11[1]: scope 0 at $DIR/match_false_edges.rs:19:6: 19:7 + _0 = (); // bb11[2]: scope 0 at $DIR/match_false_edges.rs:14:28: 20:2 + return; // bb11[3]: scope 0 at $DIR/match_false_edges.rs:20:2: 20:2 + } +} diff --git a/src/test/mir-opt/match_false_edges/rustc.full_tested_match2.PromoteTemps.before.mir b/src/test/mir-opt/match_false_edges/rustc.full_tested_match2.PromoteTemps.before.mir new file mode 100644 index 0000000000000..cc1fa56264570 --- /dev/null +++ b/src/test/mir-opt/match_false_edges/rustc.full_tested_match2.PromoteTemps.before.mir @@ -0,0 +1,141 @@ +// MIR for `full_tested_match2` before PromoteTemps + +fn full_tested_match2() -> () { + let mut _0: (); // return place in scope 0 at $DIR/match_false_edges.rs:25:29: 25:29 + let mut _1: (i32, i32); // in scope 0 at $DIR/match_false_edges.rs:26:13: 30:6 + let mut _2: std::option::Option; // in scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 + let mut _3: isize; // in scope 0 at $DIR/match_false_edges.rs:27:9: 27:16 + let mut _4: &std::option::Option; // in scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 + let _5: i32; // in scope 0 at $DIR/match_false_edges.rs:27:14: 27:15 + let _6: &i32; // in scope 0 at $DIR/match_false_edges.rs:27:14: 27:15 + let mut _7: bool; // in scope 0 at $DIR/match_false_edges.rs:27:20: 27:27 + let mut _8: i32; // in scope 0 at $DIR/match_false_edges.rs:27:35: 27:36 + let _9: i32; // in scope 0 at $DIR/match_false_edges.rs:29:14: 29:15 + let mut _10: i32; // in scope 0 at $DIR/match_false_edges.rs:29:24: 29:25 + scope 1 { + } + scope 2 { + debug x => _5; // in scope 2 at $DIR/match_false_edges.rs:27:14: 27:15 + debug x => _6; // in scope 2 at $DIR/match_false_edges.rs:27:14: 27:15 + } + scope 3 { + debug y => _9; // in scope 3 at $DIR/match_false_edges.rs:29:14: 29:15 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/match_false_edges.rs:26:13: 30:6 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 + _2 = std::option::Option::::Some(const 42i32,); // bb0[2]: scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:26:24: 26:26 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000002a)) } + FakeRead(ForMatchedPlace, _2); // bb0[3]: scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 + _3 = discriminant(_2); // bb0[4]: scope 0 at $DIR/match_false_edges.rs:27:9: 27:16 + switchInt(move _3) -> [0isize: bb2, 1isize: bb3, otherwise: bb5]; // bb0[5]: scope 0 at $DIR/match_false_edges.rs:27:9: 27:16 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/match_false_edges.rs:25:1: 31:2 + } + + bb2: { + falseEdges -> [real: bb10, imaginary: bb4]; // bb2[0]: scope 0 at $DIR/match_false_edges.rs:28:9: 28:13 + } + + bb3: { + falseEdges -> [real: bb6, imaginary: bb2]; // bb3[0]: scope 0 at $DIR/match_false_edges.rs:27:9: 27:16 + } + + bb4: { + StorageLive(_9); // bb4[0]: scope 0 at $DIR/match_false_edges.rs:29:14: 29:15 + _9 = ((_2 as Some).0: i32); // bb4[1]: scope 0 at $DIR/match_false_edges.rs:29:14: 29:15 + StorageLive(_10); // bb4[2]: scope 3 at $DIR/match_false_edges.rs:29:24: 29:25 + _10 = _9; // bb4[3]: scope 3 at $DIR/match_false_edges.rs:29:24: 29:25 + _1 = (const 2i32, move _10); // bb4[4]: scope 3 at $DIR/match_false_edges.rs:29:20: 29:26 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:29:21: 29:22 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + StorageDead(_10); // bb4[5]: scope 3 at $DIR/match_false_edges.rs:29:25: 29:26 + StorageDead(_9); // bb4[6]: scope 0 at $DIR/match_false_edges.rs:29:26: 29:27 + goto -> bb11; // bb4[7]: scope 0 at $DIR/match_false_edges.rs:26:13: 30:6 + } + + bb5: { + unreachable; // bb5[0]: scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 + } + + bb6: { + StorageLive(_6); // bb6[0]: scope 0 at $DIR/match_false_edges.rs:27:14: 27:15 + _6 = &((_2 as Some).0: i32); // bb6[1]: scope 0 at $DIR/match_false_edges.rs:27:14: 27:15 + _4 = &shallow _2; // bb6[2]: scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 + StorageLive(_7); // bb6[3]: scope 0 at $DIR/match_false_edges.rs:27:20: 27:27 + _7 = const guard() -> [return: bb7, unwind: bb1]; // bb6[4]: scope 0 at $DIR/match_false_edges.rs:27:20: 27:27 + // ty::Const + // + ty: fn() -> bool {guard} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/match_false_edges.rs:27:20: 27:25 + // + literal: Const { ty: fn() -> bool {guard}, val: Value(Scalar()) } + } + + bb7: { + switchInt(move _7) -> [false: bb9, otherwise: bb8]; // bb7[0]: scope 0 at $DIR/match_false_edges.rs:27:20: 27:27 + } + + bb8: { + StorageDead(_7); // bb8[0]: scope 0 at $DIR/match_false_edges.rs:27:37: 27:38 + FakeRead(ForMatchGuard, _4); // bb8[1]: scope 0 at $DIR/match_false_edges.rs:27:26: 27:27 + FakeRead(ForGuardBinding, _6); // bb8[2]: scope 0 at $DIR/match_false_edges.rs:27:26: 27:27 + StorageLive(_5); // bb8[3]: scope 0 at $DIR/match_false_edges.rs:27:14: 27:15 + _5 = ((_2 as Some).0: i32); // bb8[4]: scope 0 at $DIR/match_false_edges.rs:27:14: 27:15 + StorageLive(_8); // bb8[5]: scope 2 at $DIR/match_false_edges.rs:27:35: 27:36 + _8 = _5; // bb8[6]: scope 2 at $DIR/match_false_edges.rs:27:35: 27:36 + _1 = (const 1i32, move _8); // bb8[7]: scope 2 at $DIR/match_false_edges.rs:27:31: 27:37 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:27:32: 27:33 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + StorageDead(_8); // bb8[8]: scope 2 at $DIR/match_false_edges.rs:27:36: 27:37 + StorageDead(_5); // bb8[9]: scope 0 at $DIR/match_false_edges.rs:27:37: 27:38 + StorageDead(_6); // bb8[10]: scope 0 at $DIR/match_false_edges.rs:27:37: 27:38 + goto -> bb11; // bb8[11]: scope 0 at $DIR/match_false_edges.rs:26:13: 30:6 + } + + bb9: { + StorageDead(_7); // bb9[0]: scope 0 at $DIR/match_false_edges.rs:27:37: 27:38 + StorageDead(_6); // bb9[1]: scope 0 at $DIR/match_false_edges.rs:27:37: 27:38 + falseEdges -> [real: bb4, imaginary: bb2]; // bb9[2]: scope 0 at $DIR/match_false_edges.rs:27:20: 27:27 + } + + bb10: { + _1 = (const 3i32, const 3i32); // bb10[0]: scope 0 at $DIR/match_false_edges.rs:28:17: 28:23 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:28:18: 28:19 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:28:21: 28:22 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + goto -> bb11; // bb10[1]: scope 0 at $DIR/match_false_edges.rs:26:13: 30:6 + } + + bb11: { + StorageDead(_2); // bb11[0]: scope 0 at $DIR/match_false_edges.rs:30:6: 30:7 + StorageDead(_1); // bb11[1]: scope 0 at $DIR/match_false_edges.rs:30:6: 30:7 + _0 = (); // bb11[2]: scope 0 at $DIR/match_false_edges.rs:25:29: 31:2 + return; // bb11[3]: scope 0 at $DIR/match_false_edges.rs:31:2: 31:2 + } +} diff --git a/src/test/mir-opt/match_false_edges/rustc.main.PromoteTemps.before.mir b/src/test/mir-opt/match_false_edges/rustc.main.PromoteTemps.before.mir new file mode 100644 index 0000000000000..fce497df982a8 --- /dev/null +++ b/src/test/mir-opt/match_false_edges/rustc.main.PromoteTemps.before.mir @@ -0,0 +1,188 @@ +// MIR for `main` before PromoteTemps + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/match_false_edges.rs:34:11: 34:11 + let mut _1: i32; // in scope 0 at $DIR/match_false_edges.rs:35:13: 40:6 + let mut _2: std::option::Option; // in scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 + let mut _3: isize; // in scope 0 at $DIR/match_false_edges.rs:38:9: 38:16 + let mut _4: isize; // in scope 0 at $DIR/match_false_edges.rs:36:9: 36:17 + let mut _5: &std::option::Option; // in scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 + let _6: i32; // in scope 0 at $DIR/match_false_edges.rs:36:14: 36:16 + let _7: &i32; // in scope 0 at $DIR/match_false_edges.rs:36:14: 36:16 + let mut _8: bool; // in scope 0 at $DIR/match_false_edges.rs:36:21: 36:28 + let _9: std::option::Option; // in scope 0 at $DIR/match_false_edges.rs:37:9: 37:11 + let _10: i32; // in scope 0 at $DIR/match_false_edges.rs:38:14: 38:15 + let _11: &i32; // in scope 0 at $DIR/match_false_edges.rs:38:14: 38:15 + let mut _12: bool; // in scope 0 at $DIR/match_false_edges.rs:38:20: 38:29 + let mut _13: i32; // in scope 0 at $DIR/match_false_edges.rs:38:27: 38:28 + let _14: std::option::Option; // in scope 0 at $DIR/match_false_edges.rs:39:9: 39:11 + scope 1 { + } + scope 2 { + debug _w => _6; // in scope 2 at $DIR/match_false_edges.rs:36:14: 36:16 + debug _w => _7; // in scope 2 at $DIR/match_false_edges.rs:36:14: 36:16 + } + scope 3 { + debug _x => _9; // in scope 3 at $DIR/match_false_edges.rs:37:9: 37:11 + } + scope 4 { + debug y => _10; // in scope 4 at $DIR/match_false_edges.rs:38:14: 38:15 + debug y => _11; // in scope 4 at $DIR/match_false_edges.rs:38:14: 38:15 + } + scope 5 { + debug _z => _14; // in scope 5 at $DIR/match_false_edges.rs:39:9: 39:11 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/match_false_edges.rs:35:13: 40:6 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 + _2 = std::option::Option::::Some(const 1i32,); // bb0[2]: scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:35:24: 35:25 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + FakeRead(ForMatchedPlace, _2); // bb0[3]: scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 + _4 = discriminant(_2); // bb0[4]: scope 0 at $DIR/match_false_edges.rs:36:9: 36:17 + switchInt(move _4) -> [1isize: bb3, otherwise: bb2]; // bb0[5]: scope 0 at $DIR/match_false_edges.rs:36:9: 36:17 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/match_false_edges.rs:34:1: 41:2 + } + + bb2: { + falseEdges -> [real: bb10, imaginary: bb5]; // bb2[0]: scope 0 at $DIR/match_false_edges.rs:37:9: 37:11 + } + + bb3: { + falseEdges -> [real: bb6, imaginary: bb2]; // bb3[0]: scope 0 at $DIR/match_false_edges.rs:36:9: 36:17 + } + + bb4: { + StorageLive(_14); // bb4[0]: scope 0 at $DIR/match_false_edges.rs:39:9: 39:11 + _14 = _2; // bb4[1]: scope 0 at $DIR/match_false_edges.rs:39:9: 39:11 + _1 = const 4i32; // bb4[2]: scope 5 at $DIR/match_false_edges.rs:39:15: 39:16 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:39:15: 39:16 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } + StorageDead(_14); // bb4[3]: scope 0 at $DIR/match_false_edges.rs:39:16: 39:17 + goto -> bb15; // bb4[4]: scope 0 at $DIR/match_false_edges.rs:35:13: 40:6 + } + + bb5: { + falseEdges -> [real: bb11, imaginary: bb4]; // bb5[0]: scope 0 at $DIR/match_false_edges.rs:38:9: 38:16 + } + + bb6: { + StorageLive(_7); // bb6[0]: scope 0 at $DIR/match_false_edges.rs:36:14: 36:16 + _7 = &((_2 as Some).0: i32); // bb6[1]: scope 0 at $DIR/match_false_edges.rs:36:14: 36:16 + _5 = &shallow _2; // bb6[2]: scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 + StorageLive(_8); // bb6[3]: scope 0 at $DIR/match_false_edges.rs:36:21: 36:28 + _8 = const guard() -> [return: bb7, unwind: bb1]; // bb6[4]: scope 0 at $DIR/match_false_edges.rs:36:21: 36:28 + // ty::Const + // + ty: fn() -> bool {guard} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/match_false_edges.rs:36:21: 36:26 + // + literal: Const { ty: fn() -> bool {guard}, val: Value(Scalar()) } + } + + bb7: { + switchInt(move _8) -> [false: bb9, otherwise: bb8]; // bb7[0]: scope 0 at $DIR/match_false_edges.rs:36:21: 36:28 + } + + bb8: { + StorageDead(_8); // bb8[0]: scope 0 at $DIR/match_false_edges.rs:36:33: 36:34 + FakeRead(ForMatchGuard, _5); // bb8[1]: scope 0 at $DIR/match_false_edges.rs:36:27: 36:28 + FakeRead(ForGuardBinding, _7); // bb8[2]: scope 0 at $DIR/match_false_edges.rs:36:27: 36:28 + StorageLive(_6); // bb8[3]: scope 0 at $DIR/match_false_edges.rs:36:14: 36:16 + _6 = ((_2 as Some).0: i32); // bb8[4]: scope 0 at $DIR/match_false_edges.rs:36:14: 36:16 + _1 = const 1i32; // bb8[5]: scope 2 at $DIR/match_false_edges.rs:36:32: 36:33 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:36:32: 36:33 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + StorageDead(_6); // bb8[6]: scope 0 at $DIR/match_false_edges.rs:36:33: 36:34 + StorageDead(_7); // bb8[7]: scope 0 at $DIR/match_false_edges.rs:36:33: 36:34 + goto -> bb15; // bb8[8]: scope 0 at $DIR/match_false_edges.rs:35:13: 40:6 + } + + bb9: { + StorageDead(_8); // bb9[0]: scope 0 at $DIR/match_false_edges.rs:36:33: 36:34 + StorageDead(_7); // bb9[1]: scope 0 at $DIR/match_false_edges.rs:36:33: 36:34 + falseEdges -> [real: bb2, imaginary: bb2]; // bb9[2]: scope 0 at $DIR/match_false_edges.rs:36:21: 36:28 + } + + bb10: { + StorageLive(_9); // bb10[0]: scope 0 at $DIR/match_false_edges.rs:37:9: 37:11 + _9 = _2; // bb10[1]: scope 0 at $DIR/match_false_edges.rs:37:9: 37:11 + _1 = const 2i32; // bb10[2]: scope 3 at $DIR/match_false_edges.rs:37:15: 37:16 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:37:15: 37:16 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + StorageDead(_9); // bb10[3]: scope 0 at $DIR/match_false_edges.rs:37:16: 37:17 + goto -> bb15; // bb10[4]: scope 0 at $DIR/match_false_edges.rs:35:13: 40:6 + } + + bb11: { + StorageLive(_11); // bb11[0]: scope 0 at $DIR/match_false_edges.rs:38:14: 38:15 + _11 = &((_2 as Some).0: i32); // bb11[1]: scope 0 at $DIR/match_false_edges.rs:38:14: 38:15 + _5 = &shallow _2; // bb11[2]: scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 + StorageLive(_12); // bb11[3]: scope 0 at $DIR/match_false_edges.rs:38:20: 38:29 + StorageLive(_13); // bb11[4]: scope 0 at $DIR/match_false_edges.rs:38:27: 38:28 + _13 = (*_11); // bb11[5]: scope 0 at $DIR/match_false_edges.rs:38:27: 38:28 + _12 = const guard2(move _13) -> [return: bb12, unwind: bb1]; // bb11[6]: scope 0 at $DIR/match_false_edges.rs:38:20: 38:29 + // ty::Const + // + ty: fn(i32) -> bool {guard2} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/match_false_edges.rs:38:20: 38:26 + // + literal: Const { ty: fn(i32) -> bool {guard2}, val: Value(Scalar()) } + } + + bb12: { + StorageDead(_13); // bb12[0]: scope 0 at $DIR/match_false_edges.rs:38:28: 38:29 + switchInt(move _12) -> [false: bb14, otherwise: bb13]; // bb12[1]: scope 0 at $DIR/match_false_edges.rs:38:20: 38:29 + } + + bb13: { + StorageDead(_12); // bb13[0]: scope 0 at $DIR/match_false_edges.rs:38:34: 38:35 + FakeRead(ForMatchGuard, _5); // bb13[1]: scope 0 at $DIR/match_false_edges.rs:38:28: 38:29 + FakeRead(ForGuardBinding, _11); // bb13[2]: scope 0 at $DIR/match_false_edges.rs:38:28: 38:29 + StorageLive(_10); // bb13[3]: scope 0 at $DIR/match_false_edges.rs:38:14: 38:15 + _10 = ((_2 as Some).0: i32); // bb13[4]: scope 0 at $DIR/match_false_edges.rs:38:14: 38:15 + _1 = const 3i32; // bb13[5]: scope 4 at $DIR/match_false_edges.rs:38:33: 38:34 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match_false_edges.rs:38:33: 38:34 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + StorageDead(_10); // bb13[6]: scope 0 at $DIR/match_false_edges.rs:38:34: 38:35 + StorageDead(_11); // bb13[7]: scope 0 at $DIR/match_false_edges.rs:38:34: 38:35 + goto -> bb15; // bb13[8]: scope 0 at $DIR/match_false_edges.rs:35:13: 40:6 + } + + bb14: { + StorageDead(_12); // bb14[0]: scope 0 at $DIR/match_false_edges.rs:38:34: 38:35 + StorageDead(_11); // bb14[1]: scope 0 at $DIR/match_false_edges.rs:38:34: 38:35 + falseEdges -> [real: bb4, imaginary: bb4]; // bb14[2]: scope 0 at $DIR/match_false_edges.rs:38:20: 38:29 + } + + bb15: { + StorageDead(_2); // bb15[0]: scope 0 at $DIR/match_false_edges.rs:40:6: 40:7 + StorageDead(_1); // bb15[1]: scope 0 at $DIR/match_false_edges.rs:40:6: 40:7 + _0 = (); // bb15[2]: scope 0 at $DIR/match_false_edges.rs:34:11: 41:2 + return; // bb15[3]: scope 0 at $DIR/match_false_edges.rs:41:2: 41:2 + } +} diff --git a/src/test/mir-opt/match_test.rs b/src/test/mir-opt/match_test.rs index 5ee3e1447d832..c3b07d42f5e62 100644 --- a/src/test/mir-opt/match_test.rs +++ b/src/test/mir-opt/match_test.rs @@ -2,6 +2,7 @@ #![feature(exclusive_range_pattern)] +// EMIT_MIR rustc.main.SimplifyCfg-initial.after.mir fn main() { let x = 3; let b = true; @@ -15,70 +16,3 @@ fn main() { _ => 3, }; } - -// END RUST SOURCE -// START rustc.main.SimplifyCfg-initial.after.mir -// bb0: { -// ... -// switchInt(move _6) -> [false: bb4, otherwise: bb1]; -// } -// bb1: { -// _7 = Lt(_1, const 10i32); -// switchInt(move _7) -> [false: bb4, otherwise: bb2]; -// } -// bb2: { -// falseEdges -> [real: bb9, imaginary: bb6]; -// } -// bb3: { -// _3 = const 3i32; -// goto -> bb14; -// } -// bb4: { -// _4 = Le(const 10i32, _1); -// switchInt(move _4) -> [false: bb7, otherwise: bb5]; -// } -// bb5: { -// _5 = Le(_1, const 20i32); -// switchInt(move _5) -> [false: bb7, otherwise: bb6]; -// } -// bb6: { -// falseEdges -> [real: bb12, imaginary: bb8]; -// } -// bb7: { -// switchInt(_1) -> [-1i32: bb8, otherwise: bb3]; -// } -// bb8: { -// falseEdges -> [real: bb13, imaginary: bb3]; -// } -// bb9: { -// _8 = &shallow _1; -// StorageLive(_9); -// _9 = _2; -// switchInt(move _9) -> [false: bb11, otherwise: bb10]; -// } -// bb10: { -// StorageDead(_9); -// FakeRead(ForMatchGuard, _8); -// _3 = const 0i32; -// goto -> bb14; -// } -// bb11: { -// StorageDead(_9); -// falseEdges -> [real: bb3, imaginary: bb6]; -// } -// bb12: { -// _3 = const 1i32; -// goto -> bb14; -// } -// bb13: { -// _3 = const 2i32; -// goto -> bb14; -// } -// bb14: { -// StorageDead(_3); -// _0 = (); -// StorageDead(_2); -// StorageDead(_1); -// return; -// } -// END rustc.main.SimplifyCfg-initial.after.mir diff --git a/src/test/mir-opt/match_test/rustc.main.SimplifyCfg-initial.after.mir b/src/test/mir-opt/match_test/rustc.main.SimplifyCfg-initial.after.mir new file mode 100644 index 0000000000000..ef5feb79beca9 --- /dev/null +++ b/src/test/mir-opt/match_test/rustc.main.SimplifyCfg-initial.after.mir @@ -0,0 +1,166 @@ +// MIR for `main` after SimplifyCfg-initial + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/match_test.rs:6:11: 6:11 + let _1: i32; // in scope 0 at $DIR/match_test.rs:7:9: 7:10 + let _3: i32; // in scope 0 at $DIR/match_test.rs:12:5: 17:6 + let mut _4: bool; // in scope 0 at $DIR/match_test.rs:14:9: 14:16 + let mut _5: bool; // in scope 0 at $DIR/match_test.rs:14:9: 14:16 + let mut _6: bool; // in scope 0 at $DIR/match_test.rs:13:9: 13:14 + let mut _7: bool; // in scope 0 at $DIR/match_test.rs:13:9: 13:14 + let mut _8: &i32; // in scope 0 at $DIR/match_test.rs:12:11: 12:12 + let mut _9: bool; // in scope 0 at $DIR/match_test.rs:13:18: 13:19 + scope 1 { + debug x => _1; // in scope 1 at $DIR/match_test.rs:7:9: 7:10 + let _2: bool; // in scope 1 at $DIR/match_test.rs:8:9: 8:10 + scope 2 { + debug b => _2; // in scope 2 at $DIR/match_test.rs:8:9: 8:10 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/match_test.rs:7:9: 7:10 + _1 = const 3i32; // bb0[1]: scope 0 at $DIR/match_test.rs:7:13: 7:14 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match_test.rs:7:13: 7:14 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + FakeRead(ForLet, _1); // bb0[2]: scope 0 at $DIR/match_test.rs:7:9: 7:10 + StorageLive(_2); // bb0[3]: scope 1 at $DIR/match_test.rs:8:9: 8:10 + _2 = const true; // bb0[4]: scope 1 at $DIR/match_test.rs:8:13: 8:17 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/match_test.rs:8:13: 8:17 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + FakeRead(ForLet, _2); // bb0[5]: scope 1 at $DIR/match_test.rs:8:9: 8:10 + StorageLive(_3); // bb0[6]: scope 2 at $DIR/match_test.rs:12:5: 17:6 + FakeRead(ForMatchedPlace, _1); // bb0[7]: scope 2 at $DIR/match_test.rs:12:11: 12:12 + _6 = Le(const 0i32, _1); // bb0[8]: scope 2 at $DIR/match_test.rs:13:9: 13:14 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/match_test.rs:13:9: 13:14 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + switchInt(move _6) -> [false: bb4, otherwise: bb1]; // bb0[9]: scope 2 at $DIR/match_test.rs:13:9: 13:14 + } + + bb1: { + _7 = Lt(_1, const 10i32); // bb1[0]: scope 2 at $DIR/match_test.rs:13:9: 13:14 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000000a)) + // mir::Constant + // + span: $DIR/match_test.rs:13:9: 13:14 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000000a)) } + switchInt(move _7) -> [false: bb4, otherwise: bb2]; // bb1[1]: scope 2 at $DIR/match_test.rs:13:9: 13:14 + } + + bb2: { + falseEdges -> [real: bb9, imaginary: bb6]; // bb2[0]: scope 2 at $DIR/match_test.rs:13:9: 13:14 + } + + bb3: { + _3 = const 3i32; // bb3[0]: scope 2 at $DIR/match_test.rs:16:14: 16:15 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/match_test.rs:16:14: 16:15 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } + goto -> bb14; // bb3[1]: scope 2 at $DIR/match_test.rs:12:5: 17:6 + } + + bb4: { + _4 = Le(const 10i32, _1); // bb4[0]: scope 2 at $DIR/match_test.rs:14:9: 14:16 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000000a)) + // mir::Constant + // + span: $DIR/match_test.rs:14:9: 14:16 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000000a)) } + switchInt(move _4) -> [false: bb7, otherwise: bb5]; // bb4[1]: scope 2 at $DIR/match_test.rs:14:9: 14:16 + } + + bb5: { + _5 = Le(_1, const 20i32); // bb5[0]: scope 2 at $DIR/match_test.rs:14:9: 14:16 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000014)) + // mir::Constant + // + span: $DIR/match_test.rs:14:9: 14:16 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000014)) } + switchInt(move _5) -> [false: bb7, otherwise: bb6]; // bb5[1]: scope 2 at $DIR/match_test.rs:14:9: 14:16 + } + + bb6: { + falseEdges -> [real: bb12, imaginary: bb8]; // bb6[0]: scope 2 at $DIR/match_test.rs:14:9: 14:16 + } + + bb7: { + switchInt(_1) -> [-1i32: bb8, otherwise: bb3]; // bb7[0]: scope 2 at $DIR/match_test.rs:15:9: 15:11 + } + + bb8: { + falseEdges -> [real: bb13, imaginary: bb3]; // bb8[0]: scope 2 at $DIR/match_test.rs:15:9: 15:11 + } + + bb9: { + _8 = &shallow _1; // bb9[0]: scope 2 at $DIR/match_test.rs:12:11: 12:12 + StorageLive(_9); // bb9[1]: scope 2 at $DIR/match_test.rs:13:18: 13:19 + _9 = _2; // bb9[2]: scope 2 at $DIR/match_test.rs:13:18: 13:19 + switchInt(move _9) -> [false: bb11, otherwise: bb10]; // bb9[3]: scope 2 at $DIR/match_test.rs:13:18: 13:19 + } + + bb10: { + StorageDead(_9); // bb10[0]: scope 2 at $DIR/match_test.rs:13:24: 13:25 + FakeRead(ForMatchGuard, _8); // bb10[1]: scope 2 at $DIR/match_test.rs:13:18: 13:19 + _3 = const 0i32; // bb10[2]: scope 2 at $DIR/match_test.rs:13:23: 13:24 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/match_test.rs:13:23: 13:24 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + goto -> bb14; // bb10[3]: scope 2 at $DIR/match_test.rs:12:5: 17:6 + } + + bb11: { + StorageDead(_9); // bb11[0]: scope 2 at $DIR/match_test.rs:13:24: 13:25 + falseEdges -> [real: bb3, imaginary: bb6]; // bb11[1]: scope 2 at $DIR/match_test.rs:13:18: 13:19 + } + + bb12: { + _3 = const 1i32; // bb12[0]: scope 2 at $DIR/match_test.rs:14:20: 14:21 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/match_test.rs:14:20: 14:21 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + goto -> bb14; // bb12[1]: scope 2 at $DIR/match_test.rs:12:5: 17:6 + } + + bb13: { + _3 = const 2i32; // bb13[0]: scope 2 at $DIR/match_test.rs:15:15: 15:16 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/match_test.rs:15:15: 15:16 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + goto -> bb14; // bb13[1]: scope 2 at $DIR/match_test.rs:12:5: 17:6 + } + + bb14: { + StorageDead(_3); // bb14[0]: scope 2 at $DIR/match_test.rs:17:6: 17:7 + _0 = (); // bb14[1]: scope 0 at $DIR/match_test.rs:6:11: 18:2 + StorageDead(_2); // bb14[2]: scope 1 at $DIR/match_test.rs:18:1: 18:2 + StorageDead(_1); // bb14[3]: scope 0 at $DIR/match_test.rs:18:1: 18:2 + return; // bb14[4]: scope 0 at $DIR/match_test.rs:18:2: 18:2 + } +} diff --git a/src/test/mir-opt/nll/named-lifetimes-basic.rs b/src/test/mir-opt/nll/named-lifetimes-basic.rs index 2a6c2db03bec1..073ccf7e6c643 100644 --- a/src/test/mir-opt/nll/named-lifetimes-basic.rs +++ b/src/test/mir-opt/nll/named-lifetimes-basic.rs @@ -8,31 +8,8 @@ #![allow(warnings)] +// EMIT_MIR rustc.use_x.nll.0.mir fn use_x<'a, 'b: 'a, 'c>(w: &'a mut i32, x: &'b u32, y: &'a u32, z: &'c u32) -> bool { true } fn main() { } - -// END RUST SOURCE -// START rustc.use_x.nll.0.mir -// | Free Region Mapping -// | '_#0r | Global | ['_#2r, '_#1r, '_#0r, '_#4r, '_#3r] -// | '_#1r | External | ['_#1r, '_#4r] -// | '_#2r | External | ['_#2r, '_#1r, '_#4r] -// | '_#3r | Local | ['_#4r, '_#3r] -// | '_#4r | Local | ['_#4r] -// | -// | Inferred Region Values -// | '_#0r | U0 | {bb0[0..=1], '_#0r, '_#1r, '_#2r, '_#3r, '_#4r} -// | '_#1r | U0 | {bb0[0..=1], '_#1r} -// | '_#2r | U0 | {bb0[0..=1], '_#2r} -// | '_#3r | U0 | {bb0[0..=1], '_#3r} -// | '_#4r | U0 | {bb0[0..=1], '_#4r} -// | '_#5r | U0 | {bb0[0..=1], '_#1r} -// | '_#6r | U0 | {bb0[0..=1], '_#2r} -// | '_#7r | U0 | {bb0[0..=1], '_#1r} -// | '_#8r | U0 | {bb0[0..=1], '_#3r} -// | -// ... -// fn use_x(_1: &'_#5r mut i32, _2: &'_#6r u32, _3: &'_#7r u32, _4: &'_#8r u32) -> bool { -// END rustc.use_x.nll.0.mir diff --git a/src/test/mir-opt/nll/named-lifetimes-basic/rustc.use_x.nll.0.mir b/src/test/mir-opt/nll/named-lifetimes-basic/rustc.use_x.nll.0.mir new file mode 100644 index 0000000000000..a486af608ef79 --- /dev/null +++ b/src/test/mir-opt/nll/named-lifetimes-basic/rustc.use_x.nll.0.mir @@ -0,0 +1,53 @@ +// MIR for `use_x` 0 nll + +| Free Region Mapping +| '_#0r | Global | ['_#2r, '_#1r, '_#0r, '_#4r, '_#3r] +| '_#1r | External | ['_#1r, '_#4r] +| '_#2r | External | ['_#2r, '_#1r, '_#4r] +| '_#3r | Local | ['_#4r, '_#3r] +| '_#4r | Local | ['_#4r] +| +| Inferred Region Values +| '_#0r | U0 | {bb0[0..=1], '_#0r, '_#1r, '_#2r, '_#3r, '_#4r} +| '_#1r | U0 | {bb0[0..=1], '_#1r} +| '_#2r | U0 | {bb0[0..=1], '_#2r} +| '_#3r | U0 | {bb0[0..=1], '_#3r} +| '_#4r | U0 | {bb0[0..=1], '_#4r} +| '_#5r | U0 | {bb0[0..=1], '_#1r} +| '_#6r | U0 | {bb0[0..=1], '_#2r} +| '_#7r | U0 | {bb0[0..=1], '_#1r} +| '_#8r | U0 | {bb0[0..=1], '_#3r} +| +| Inference Constraints +| '_#0r live at {bb0[0..=1]} +| '_#1r live at {bb0[0..=1]} +| '_#2r live at {bb0[0..=1]} +| '_#3r live at {bb0[0..=1]} +| '_#4r live at {bb0[0..=1]} +| '_#1r: '_#5r due to BoringNoLocation at All($DIR/named-lifetimes-basic.rs:12:26: 12:27) +| '_#1r: '_#7r due to BoringNoLocation at All($DIR/named-lifetimes-basic.rs:12:54: 12:55) +| '_#2r: '_#6r due to BoringNoLocation at All($DIR/named-lifetimes-basic.rs:12:42: 12:43) +| '_#3r: '_#8r due to BoringNoLocation at All($DIR/named-lifetimes-basic.rs:12:66: 12:67) +| '_#5r: '_#1r due to BoringNoLocation at All($DIR/named-lifetimes-basic.rs:12:26: 12:27) +| '_#6r: '_#2r due to BoringNoLocation at All($DIR/named-lifetimes-basic.rs:12:42: 12:43) +| '_#7r: '_#1r due to BoringNoLocation at All($DIR/named-lifetimes-basic.rs:12:54: 12:55) +| '_#8r: '_#3r due to BoringNoLocation at All($DIR/named-lifetimes-basic.rs:12:66: 12:67) +| +fn use_x(_1: &'_#5r mut i32, _2: &'_#6r u32, _3: &'_#7r u32, _4: &'_#8r u32) -> bool { + debug w => _1; // in scope 0 at $DIR/named-lifetimes-basic.rs:12:26: 12:27 + debug x => _2; // in scope 0 at $DIR/named-lifetimes-basic.rs:12:42: 12:43 + debug y => _3; // in scope 0 at $DIR/named-lifetimes-basic.rs:12:54: 12:55 + debug z => _4; // in scope 0 at $DIR/named-lifetimes-basic.rs:12:66: 12:67 + let mut _0: bool; // return place in scope 0 at $DIR/named-lifetimes-basic.rs:12:81: 12:85 + + bb0: { + _0 = const Const(Value(Scalar(0x01)): bool); // bb0[0]: scope 0 at $DIR/named-lifetimes-basic.rs:12:88: 12:92 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/named-lifetimes-basic.rs:12:88: 12:92 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + return; // bb0[1]: scope 0 at $DIR/named-lifetimes-basic.rs:12:94: 12:94 + } +} diff --git a/src/test/mir-opt/nll/region-subtyping-basic.rs b/src/test/mir-opt/nll/region-subtyping-basic.rs index 16e357fc16255..740cb1c5e969a 100644 --- a/src/test/mir-opt/nll/region-subtyping-basic.rs +++ b/src/test/mir-opt/nll/region-subtyping-basic.rs @@ -9,6 +9,8 @@ fn use_x(_: usize) -> bool { true } +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.main.nll.0.mir fn main() { let mut v = [1, 2, 3]; let p = &v[0]; @@ -19,23 +21,3 @@ fn main() { use_x(22); } } - -// END RUST SOURCE -// START rustc.main.nll.0.mir -// | '_#2r | U0 | {bb2[0..=8], bb3[0], bb5[0..=2]} -// | '_#3r | U0 | {bb2[1..=8], bb3[0], bb5[0..=2]} -// | '_#4r | U0 | {bb2[4..=8], bb3[0], bb5[0..=2]} -// END rustc.main.nll.0.mir -// START rustc.main.nll.0.mir -// let _2: &'_#3r usize; -// ... -// debug p => _2; -// ... -// let _6: &'_#4r usize; -// ... -// debug q => _6; -// ... -// _2 = &'_#2r _1[_3]; -// ... -// _6 = _2; -// END rustc.main.nll.0.mir diff --git a/src/test/mir-opt/nll/region-subtyping-basic/32bit/rustc.main.nll.0.mir b/src/test/mir-opt/nll/region-subtyping-basic/32bit/rustc.main.nll.0.mir new file mode 100644 index 0000000000000..f6ec2d925021e --- /dev/null +++ b/src/test/mir-opt/nll/region-subtyping-basic/32bit/rustc.main.nll.0.mir @@ -0,0 +1,158 @@ +// MIR for `main` 0 nll + +| Free Region Mapping +| '_#0r | Global | ['_#0r, '_#1r] +| '_#1r | Local | ['_#1r] +| +| Inferred Region Values +| '_#0r | U0 | {bb0[0..=8], bb1[0], bb2[0..=8], bb3[0], bb4[0..=1], bb5[0..=3], bb6[0..=3], bb7[0..=2], bb8[0..=5], '_#0r, '_#1r} +| '_#1r | U0 | {bb0[0..=8], bb1[0], bb2[0..=8], bb3[0], bb4[0..=1], bb5[0..=3], bb6[0..=3], bb7[0..=2], bb8[0..=5], '_#1r} +| '_#2r | U0 | {bb2[0..=8], bb3[0], bb5[0..=2]} +| '_#3r | U0 | {bb2[1..=8], bb3[0], bb5[0..=2]} +| '_#4r | U0 | {bb2[4..=8], bb3[0], bb5[0..=2]} +| +| Inference Constraints +| '_#0r live at {bb0[0..=8], bb1[0], bb2[0..=8], bb3[0], bb4[0..=1], bb5[0..=3], bb6[0..=3], bb7[0..=2], bb8[0..=5]} +| '_#1r live at {bb0[0..=8], bb1[0], bb2[0..=8], bb3[0], bb4[0..=1], bb5[0..=3], bb6[0..=3], bb7[0..=2], bb8[0..=5]} +| '_#2r live at {bb2[0]} +| '_#3r live at {bb2[1..=3]} +| '_#4r live at {bb2[4..=8], bb3[0], bb5[0..=2]} +| '_#2r: '_#3r due to Assignment at Single(bb2[0]) +| '_#3r: '_#4r due to Assignment at Single(bb2[3]) +| +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/region-subtyping-basic.rs:14:11: 14:11 + let mut _1: [usize; Const { ty: usize, val: Value(Scalar(0x00000003)) }]; // in scope 0 at $DIR/region-subtyping-basic.rs:15:9: 15:14 + let _3: usize; // in scope 0 at $DIR/region-subtyping-basic.rs:16:16: 16:17 + let mut _4: usize; // in scope 0 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + let mut _5: bool; // in scope 0 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + let mut _7: bool; // in scope 0 at $DIR/region-subtyping-basic.rs:18:8: 18:12 + let _8: bool; // in scope 0 at $DIR/region-subtyping-basic.rs:19:9: 19:18 + let mut _9: usize; // in scope 0 at $DIR/region-subtyping-basic.rs:19:15: 19:17 + let _10: bool; // in scope 0 at $DIR/region-subtyping-basic.rs:21:9: 21:18 + scope 1 { + debug v => _1; // in scope 1 at $DIR/region-subtyping-basic.rs:15:9: 15:14 + let _2: &'_#3r usize; // in scope 1 at $DIR/region-subtyping-basic.rs:16:9: 16:10 + scope 2 { + debug p => _2; // in scope 2 at $DIR/region-subtyping-basic.rs:16:9: 16:10 + let _6: &'_#4r usize; // in scope 2 at $DIR/region-subtyping-basic.rs:17:9: 17:10 + scope 3 { + debug q => _6; // in scope 3 at $DIR/region-subtyping-basic.rs:17:9: 17:10 + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/region-subtyping-basic.rs:15:9: 15:14 + _1 = [const Const(Value(Scalar(0x00000001)): usize), const Const(Value(Scalar(0x00000002)): usize), const Const(Value(Scalar(0x00000003)): usize)]; // bb0[1]: scope 0 at $DIR/region-subtyping-basic.rs:15:17: 15:26 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:15:18: 15:19 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:15:21: 15:22 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000002)) } + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:15:24: 15:25 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000003)) } + FakeRead(ForLet, _1); // bb0[2]: scope 0 at $DIR/region-subtyping-basic.rs:15:9: 15:14 + StorageLive(_2); // bb0[3]: scope 1 at $DIR/region-subtyping-basic.rs:16:9: 16:10 + StorageLive(_3); // bb0[4]: scope 1 at $DIR/region-subtyping-basic.rs:16:16: 16:17 + _3 = const Const(Value(Scalar(0x00000000)): usize); // bb0[5]: scope 1 at $DIR/region-subtyping-basic.rs:16:16: 16:17 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:16:16: 16:17 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000000)) } + _4 = Len(_1); // bb0[6]: scope 1 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + _5 = Lt(_3, _4); // bb0[7]: scope 1 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + assert(move _5, "index out of bounds: the len is move _4 but the index is _3") -> [success: bb2, unwind: bb1]; // bb0[8]: scope 1 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/region-subtyping-basic.rs:14:1: 23:2 + } + + bb2: { + _2 = &'_#2r _1[_3]; // bb2[0]: scope 1 at $DIR/region-subtyping-basic.rs:16:13: 16:18 + FakeRead(ForLet, _2); // bb2[1]: scope 1 at $DIR/region-subtyping-basic.rs:16:9: 16:10 + StorageLive(_6); // bb2[2]: scope 2 at $DIR/region-subtyping-basic.rs:17:9: 17:10 + _6 = _2; // bb2[3]: scope 2 at $DIR/region-subtyping-basic.rs:17:13: 17:14 + FakeRead(ForLet, _6); // bb2[4]: scope 2 at $DIR/region-subtyping-basic.rs:17:9: 17:10 + StorageLive(_7); // bb2[5]: scope 3 at $DIR/region-subtyping-basic.rs:18:8: 18:12 + _7 = const Const(Value(Scalar(0x01)): bool); // bb2[6]: scope 3 at $DIR/region-subtyping-basic.rs:18:8: 18:12 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:18:8: 18:12 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + FakeRead(ForMatchedPlace, _7); // bb2[7]: scope 3 at $DIR/region-subtyping-basic.rs:18:8: 18:12 + switchInt(_7) -> [Const(Value(Scalar(0x00)): bool): bb4, otherwise: bb3]; // bb2[8]: scope 3 at $DIR/region-subtyping-basic.rs:18:5: 22:6 + } + + bb3: { + falseEdges -> [real: bb5, imaginary: bb4]; // bb3[0]: scope 3 at $DIR/region-subtyping-basic.rs:18:5: 22:6 + } + + bb4: { + StorageLive(_10); // bb4[0]: scope 3 at $DIR/region-subtyping-basic.rs:21:9: 21:18 + _10 = const Const(Value(Scalar()): fn(usize) -> bool {use_x})(const Const(Value(Scalar(0x00000016)): usize)) -> [return: bb7, unwind: bb1]; // bb4[1]: scope 3 at $DIR/region-subtyping-basic.rs:21:9: 21:18 + // ty::Const + // + ty: fn(usize) -> bool {use_x} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:21:9: 21:14 + // + literal: Const { ty: fn(usize) -> bool {use_x}, val: Value(Scalar()) } + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000016)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:21:15: 21:17 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000016)) } + } + + bb5: { + StorageLive(_8); // bb5[0]: scope 3 at $DIR/region-subtyping-basic.rs:19:9: 19:18 + StorageLive(_9); // bb5[1]: scope 3 at $DIR/region-subtyping-basic.rs:19:15: 19:17 + _9 = (*_6); // bb5[2]: scope 3 at $DIR/region-subtyping-basic.rs:19:15: 19:17 + _8 = const Const(Value(Scalar()): fn(usize) -> bool {use_x})(move _9) -> [return: bb6, unwind: bb1]; // bb5[3]: scope 3 at $DIR/region-subtyping-basic.rs:19:9: 19:18 + // ty::Const + // + ty: fn(usize) -> bool {use_x} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:19:9: 19:14 + // + literal: Const { ty: fn(usize) -> bool {use_x}, val: Value(Scalar()) } + } + + bb6: { + StorageDead(_9); // bb6[0]: scope 3 at $DIR/region-subtyping-basic.rs:19:17: 19:18 + StorageDead(_8); // bb6[1]: scope 3 at $DIR/region-subtyping-basic.rs:19:18: 19:19 + _0 = (); // bb6[2]: scope 3 at $DIR/region-subtyping-basic.rs:18:13: 20:6 + goto -> bb8; // bb6[3]: scope 3 at $DIR/region-subtyping-basic.rs:18:5: 22:6 + } + + bb7: { + StorageDead(_10); // bb7[0]: scope 3 at $DIR/region-subtyping-basic.rs:21:18: 21:19 + _0 = (); // bb7[1]: scope 3 at $DIR/region-subtyping-basic.rs:20:12: 22:6 + goto -> bb8; // bb7[2]: scope 3 at $DIR/region-subtyping-basic.rs:18:5: 22:6 + } + + bb8: { + StorageDead(_6); // bb8[0]: scope 2 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + StorageDead(_3); // bb8[1]: scope 1 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + StorageDead(_2); // bb8[2]: scope 1 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + StorageDead(_1); // bb8[3]: scope 0 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + StorageDead(_7); // bb8[4]: scope 0 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + return; // bb8[5]: scope 0 at $DIR/region-subtyping-basic.rs:23:2: 23:2 + } +} diff --git a/src/test/mir-opt/nll/region-subtyping-basic/64bit/rustc.main.nll.0.mir b/src/test/mir-opt/nll/region-subtyping-basic/64bit/rustc.main.nll.0.mir new file mode 100644 index 0000000000000..fa3a9a0e1222a --- /dev/null +++ b/src/test/mir-opt/nll/region-subtyping-basic/64bit/rustc.main.nll.0.mir @@ -0,0 +1,158 @@ +// MIR for `main` 0 nll + +| Free Region Mapping +| '_#0r | Global | ['_#0r, '_#1r] +| '_#1r | Local | ['_#1r] +| +| Inferred Region Values +| '_#0r | U0 | {bb0[0..=8], bb1[0], bb2[0..=8], bb3[0], bb4[0..=1], bb5[0..=3], bb6[0..=3], bb7[0..=2], bb8[0..=5], '_#0r, '_#1r} +| '_#1r | U0 | {bb0[0..=8], bb1[0], bb2[0..=8], bb3[0], bb4[0..=1], bb5[0..=3], bb6[0..=3], bb7[0..=2], bb8[0..=5], '_#1r} +| '_#2r | U0 | {bb2[0..=8], bb3[0], bb5[0..=2]} +| '_#3r | U0 | {bb2[1..=8], bb3[0], bb5[0..=2]} +| '_#4r | U0 | {bb2[4..=8], bb3[0], bb5[0..=2]} +| +| Inference Constraints +| '_#0r live at {bb0[0..=8], bb1[0], bb2[0..=8], bb3[0], bb4[0..=1], bb5[0..=3], bb6[0..=3], bb7[0..=2], bb8[0..=5]} +| '_#1r live at {bb0[0..=8], bb1[0], bb2[0..=8], bb3[0], bb4[0..=1], bb5[0..=3], bb6[0..=3], bb7[0..=2], bb8[0..=5]} +| '_#2r live at {bb2[0]} +| '_#3r live at {bb2[1..=3]} +| '_#4r live at {bb2[4..=8], bb3[0], bb5[0..=2]} +| '_#2r: '_#3r due to Assignment at Single(bb2[0]) +| '_#3r: '_#4r due to Assignment at Single(bb2[3]) +| +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/region-subtyping-basic.rs:14:11: 14:11 + let mut _1: [usize; Const { ty: usize, val: Value(Scalar(0x0000000000000003)) }]; // in scope 0 at $DIR/region-subtyping-basic.rs:15:9: 15:14 + let _3: usize; // in scope 0 at $DIR/region-subtyping-basic.rs:16:16: 16:17 + let mut _4: usize; // in scope 0 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + let mut _5: bool; // in scope 0 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + let mut _7: bool; // in scope 0 at $DIR/region-subtyping-basic.rs:18:8: 18:12 + let _8: bool; // in scope 0 at $DIR/region-subtyping-basic.rs:19:9: 19:18 + let mut _9: usize; // in scope 0 at $DIR/region-subtyping-basic.rs:19:15: 19:17 + let _10: bool; // in scope 0 at $DIR/region-subtyping-basic.rs:21:9: 21:18 + scope 1 { + debug v => _1; // in scope 1 at $DIR/region-subtyping-basic.rs:15:9: 15:14 + let _2: &'_#3r usize; // in scope 1 at $DIR/region-subtyping-basic.rs:16:9: 16:10 + scope 2 { + debug p => _2; // in scope 2 at $DIR/region-subtyping-basic.rs:16:9: 16:10 + let _6: &'_#4r usize; // in scope 2 at $DIR/region-subtyping-basic.rs:17:9: 17:10 + scope 3 { + debug q => _6; // in scope 3 at $DIR/region-subtyping-basic.rs:17:9: 17:10 + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/region-subtyping-basic.rs:15:9: 15:14 + _1 = [const Const(Value(Scalar(0x0000000000000001)): usize), const Const(Value(Scalar(0x0000000000000002)): usize), const Const(Value(Scalar(0x0000000000000003)): usize)]; // bb0[1]: scope 0 at $DIR/region-subtyping-basic.rs:15:17: 15:26 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:15:18: 15:19 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000002)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:15:21: 15:22 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000002)) } + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000003)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:15:24: 15:25 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000003)) } + FakeRead(ForLet, _1); // bb0[2]: scope 0 at $DIR/region-subtyping-basic.rs:15:9: 15:14 + StorageLive(_2); // bb0[3]: scope 1 at $DIR/region-subtyping-basic.rs:16:9: 16:10 + StorageLive(_3); // bb0[4]: scope 1 at $DIR/region-subtyping-basic.rs:16:16: 16:17 + _3 = const Const(Value(Scalar(0x0000000000000000)): usize); // bb0[5]: scope 1 at $DIR/region-subtyping-basic.rs:16:16: 16:17 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000000)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:16:16: 16:17 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000000)) } + _4 = Len(_1); // bb0[6]: scope 1 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + _5 = Lt(_3, _4); // bb0[7]: scope 1 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + assert(move _5, "index out of bounds: the len is move _4 but the index is _3") -> [success: bb2, unwind: bb1]; // bb0[8]: scope 1 at $DIR/region-subtyping-basic.rs:16:14: 16:18 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/region-subtyping-basic.rs:14:1: 23:2 + } + + bb2: { + _2 = &'_#2r _1[_3]; // bb2[0]: scope 1 at $DIR/region-subtyping-basic.rs:16:13: 16:18 + FakeRead(ForLet, _2); // bb2[1]: scope 1 at $DIR/region-subtyping-basic.rs:16:9: 16:10 + StorageLive(_6); // bb2[2]: scope 2 at $DIR/region-subtyping-basic.rs:17:9: 17:10 + _6 = _2; // bb2[3]: scope 2 at $DIR/region-subtyping-basic.rs:17:13: 17:14 + FakeRead(ForLet, _6); // bb2[4]: scope 2 at $DIR/region-subtyping-basic.rs:17:9: 17:10 + StorageLive(_7); // bb2[5]: scope 3 at $DIR/region-subtyping-basic.rs:18:8: 18:12 + _7 = const Const(Value(Scalar(0x01)): bool); // bb2[6]: scope 3 at $DIR/region-subtyping-basic.rs:18:8: 18:12 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:18:8: 18:12 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + FakeRead(ForMatchedPlace, _7); // bb2[7]: scope 3 at $DIR/region-subtyping-basic.rs:18:8: 18:12 + switchInt(_7) -> [Const(Value(Scalar(0x00)): bool): bb4, otherwise: bb3]; // bb2[8]: scope 3 at $DIR/region-subtyping-basic.rs:18:5: 22:6 + } + + bb3: { + falseEdges -> [real: bb5, imaginary: bb4]; // bb3[0]: scope 3 at $DIR/region-subtyping-basic.rs:18:5: 22:6 + } + + bb4: { + StorageLive(_10); // bb4[0]: scope 3 at $DIR/region-subtyping-basic.rs:21:9: 21:18 + _10 = const Const(Value(Scalar()): fn(usize) -> bool {use_x})(const Const(Value(Scalar(0x0000000000000016)): usize)) -> [return: bb7, unwind: bb1]; // bb4[1]: scope 3 at $DIR/region-subtyping-basic.rs:21:9: 21:18 + // ty::Const + // + ty: fn(usize) -> bool {use_x} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:21:9: 21:14 + // + literal: Const { ty: fn(usize) -> bool {use_x}, val: Value(Scalar()) } + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000016)) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:21:15: 21:17 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000016)) } + } + + bb5: { + StorageLive(_8); // bb5[0]: scope 3 at $DIR/region-subtyping-basic.rs:19:9: 19:18 + StorageLive(_9); // bb5[1]: scope 3 at $DIR/region-subtyping-basic.rs:19:15: 19:17 + _9 = (*_6); // bb5[2]: scope 3 at $DIR/region-subtyping-basic.rs:19:15: 19:17 + _8 = const Const(Value(Scalar()): fn(usize) -> bool {use_x})(move _9) -> [return: bb6, unwind: bb1]; // bb5[3]: scope 3 at $DIR/region-subtyping-basic.rs:19:9: 19:18 + // ty::Const + // + ty: fn(usize) -> bool {use_x} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/region-subtyping-basic.rs:19:9: 19:14 + // + literal: Const { ty: fn(usize) -> bool {use_x}, val: Value(Scalar()) } + } + + bb6: { + StorageDead(_9); // bb6[0]: scope 3 at $DIR/region-subtyping-basic.rs:19:17: 19:18 + StorageDead(_8); // bb6[1]: scope 3 at $DIR/region-subtyping-basic.rs:19:18: 19:19 + _0 = (); // bb6[2]: scope 3 at $DIR/region-subtyping-basic.rs:18:13: 20:6 + goto -> bb8; // bb6[3]: scope 3 at $DIR/region-subtyping-basic.rs:18:5: 22:6 + } + + bb7: { + StorageDead(_10); // bb7[0]: scope 3 at $DIR/region-subtyping-basic.rs:21:18: 21:19 + _0 = (); // bb7[1]: scope 3 at $DIR/region-subtyping-basic.rs:20:12: 22:6 + goto -> bb8; // bb7[2]: scope 3 at $DIR/region-subtyping-basic.rs:18:5: 22:6 + } + + bb8: { + StorageDead(_6); // bb8[0]: scope 2 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + StorageDead(_3); // bb8[1]: scope 1 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + StorageDead(_2); // bb8[2]: scope 1 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + StorageDead(_1); // bb8[3]: scope 0 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + StorageDead(_7); // bb8[4]: scope 0 at $DIR/region-subtyping-basic.rs:23:1: 23:2 + return; // bb8[5]: scope 0 at $DIR/region-subtyping-basic.rs:23:2: 23:2 + } +} diff --git a/src/test/mir-opt/no-drop-for-inactive-variant.rs b/src/test/mir-opt/no-drop-for-inactive-variant.rs index 74a606af28fc1..cf6426b878a3c 100644 --- a/src/test/mir-opt/no-drop-for-inactive-variant.rs +++ b/src/test/mir-opt/no-drop-for-inactive-variant.rs @@ -3,6 +3,7 @@ // Ensure that there are no drop terminators in `unwrap` (except the one along the cleanup // path). +// EMIT_MIR rustc.unwrap.SimplifyCfg-elaborate-drops.after.mir fn unwrap(opt: Option) -> T { match opt { Some(x) => x, @@ -13,31 +14,3 @@ fn unwrap(opt: Option) -> T { fn main() { let _ = unwrap(Some(1i32)); } - -// END RUST SOURCE -// START rustc.unwrap.SimplifyCfg-elaborate-drops.after.mir -// fn unwrap(_1: std::option::Option) -> T { -// ... -// bb0: { -// ... -// switchInt(move _2) -> [0isize: bb2, 1isize: bb4, otherwise: bb3]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// ... -// const std::rt::begin_panic::<&str>(const "explicit panic") -> bb5; -// } -// bb3: { -// unreachable; -// } -// bb4: { -// ... -// return; -// } -// bb5 (cleanup): { -// drop(_1) -> bb1; -// } -// } -// END rustc.unwrap.SimplifyCfg-elaborate-drops.after.mir diff --git a/src/test/mir-opt/no-drop-for-inactive-variant/rustc.unwrap.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/no-drop-for-inactive-variant/rustc.unwrap.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..383024113366d --- /dev/null +++ b/src/test/mir-opt/no-drop-for-inactive-variant/rustc.unwrap.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,57 @@ +// MIR for `unwrap` after SimplifyCfg-elaborate-drops + +fn unwrap(_1: std::option::Option) -> T { + debug opt => _1; // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:7:14: 7:17 + let mut _0: T; // return place in scope 0 at $DIR/no-drop-for-inactive-variant.rs:7:33: 7:34 + let mut _2: isize; // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:9: 9:16 + let _3: T; // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:14: 9:15 + let mut _4: !; // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL + let mut _5: isize; // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:1: 12:2 + let mut _6: isize; // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:1: 12:2 + scope 1 { + debug x => _3; // in scope 1 at $DIR/no-drop-for-inactive-variant.rs:9:14: 9:15 + } + + bb0: { + _2 = discriminant(_1); // bb0[0]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:9: 9:16 + switchInt(move _2) -> [0isize: bb2, 1isize: bb4, otherwise: bb3]; // bb0[1]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:9: 9:16 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:7:1: 12:2 + } + + bb2: { + StorageLive(_4); // bb2[0]: scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL + const std::rt::begin_panic::<&str>(const "explicit panic") -> bb5; // bb2[1]: scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL + // ty::Const + // + ty: fn(&str) -> ! {std::rt::begin_panic::<&str>} + // + val: Value(Scalar()) + // mir::Constant + // + span: $SRC_DIR/libstd/macros.rs:LL:COL + // + literal: Const { ty: fn(&str) -> ! {std::rt::begin_panic::<&str>}, val: Value(Scalar()) } + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [101, 120, 112, 108, 105, 99, 105, 116, 32, 112, 97, 110, 105, 99], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [16383], len: Size { raw: 14 } }, size: Size { raw: 14 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 14 }) + // mir::Constant + // + span: $SRC_DIR/libstd/macros.rs:LL:COL + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [101, 120, 112, 108, 105, 99, 105, 116, 32, 112, 97, 110, 105, 99], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [16383], len: Size { raw: 14 } }, size: Size { raw: 14 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 14 }) } + } + + bb3: { + unreachable; // bb3[0]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:8:11: 8:14 + } + + bb4: { + StorageLive(_3); // bb4[0]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:14: 9:15 + _3 = move ((_1 as Some).0: T); // bb4[1]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:14: 9:15 + _0 = move _3; // bb4[2]: scope 1 at $DIR/no-drop-for-inactive-variant.rs:9:20: 9:21 + StorageDead(_3); // bb4[3]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:21: 9:22 + _5 = discriminant(_1); // bb4[4]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:1: 12:2 + return; // bb4[5]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:2: 12:2 + } + + bb5 (cleanup): { + drop(_1) -> bb1; // bb5[0]: scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:1: 12:2 + } +} diff --git a/src/test/mir-opt/no-spurious-drop-after-call.rs b/src/test/mir-opt/no-spurious-drop-after-call.rs index 782bc31186ca5..ab58654e07c05 100644 --- a/src/test/mir-opt/no-spurious-drop-after-call.rs +++ b/src/test/mir-opt/no-spurious-drop-after-call.rs @@ -4,21 +4,7 @@ // MIR drop of the argument. (We used to have a `DROP(_2)` in the code // below, as part of bb3.) +// EMIT_MIR rustc.main.ElaborateDrops.before.mir fn main() { std::mem::drop("".to_string()); } - -// END RUST SOURCE -// START rustc.main.ElaborateDrops.before.mir -// bb2: { -// StorageDead(_3); -// _1 = const std::mem::drop::(move _2) -> [return: bb3, unwind: bb4]; -// } -// bb3: { -// StorageDead(_2); -// StorageDead(_4); -// StorageDead(_1); -// _0 = (); -// return; -// } -// END rustc.main.ElaborateDrops.before.mir diff --git a/src/test/mir-opt/no-spurious-drop-after-call/rustc.main.ElaborateDrops.before.mir b/src/test/mir-opt/no-spurious-drop-after-call/rustc.main.ElaborateDrops.before.mir new file mode 100644 index 0000000000000..b65bc76033003 --- /dev/null +++ b/src/test/mir-opt/no-spurious-drop-after-call/rustc.main.ElaborateDrops.before.mir @@ -0,0 +1,58 @@ +// MIR for `main` before ElaborateDrops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/no-spurious-drop-after-call.rs:8:11: 8:11 + let _1: (); // in scope 0 at $DIR/no-spurious-drop-after-call.rs:9:5: 9:35 + let mut _2: std::string::String; // in scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:34 + let mut _3: &str; // in scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:22 + let _4: &str; // in scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:22 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:5: 9:35 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:34 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:22 + StorageLive(_4); // bb0[3]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:22 + _4 = const ""; // bb0[4]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:22 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [], len: Size { raw: 0 } }, size: Size { raw: 0 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 0 }) + // mir::Constant + // + span: $DIR/no-spurious-drop-after-call.rs:9:20: 9:22 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [], len: Size { raw: 0 } }, size: Size { raw: 0 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 0 }) } + _3 = &(*_4); // bb0[5]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:22 + _2 = const ::to_string(move _3) -> bb2; // bb0[6]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:34 + // ty::Const + // + ty: for<'r> fn(&'r str) -> std::string::String {::to_string} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/no-spurious-drop-after-call.rs:9:23: 9:32 + // + literal: Const { ty: for<'r> fn(&'r str) -> std::string::String {::to_string}, val: Value(Scalar()) } + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/no-spurious-drop-after-call.rs:8:1: 10:2 + } + + bb2: { + StorageDead(_3); // bb2[0]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:33: 9:34 + _1 = const std::mem::drop::(move _2) -> [return: bb3, unwind: bb4]; // bb2[1]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:5: 9:35 + // ty::Const + // + ty: fn(std::string::String) {std::mem::drop::} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/no-spurious-drop-after-call.rs:9:5: 9:19 + // + literal: Const { ty: fn(std::string::String) {std::mem::drop::}, val: Value(Scalar()) } + } + + bb3: { + StorageDead(_2); // bb3[0]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:34: 9:35 + StorageDead(_4); // bb3[1]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:35: 9:36 + StorageDead(_1); // bb3[2]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:35: 9:36 + _0 = (); // bb3[3]: scope 0 at $DIR/no-spurious-drop-after-call.rs:8:11: 10:2 + return; // bb3[4]: scope 0 at $DIR/no-spurious-drop-after-call.rs:10:2: 10:2 + } + + bb4 (cleanup): { + drop(_2) -> bb1; // bb4[0]: scope 0 at $DIR/no-spurious-drop-after-call.rs:9:34: 9:35 + } +} diff --git a/src/test/mir-opt/packed-struct-drop-aligned.rs b/src/test/mir-opt/packed-struct-drop-aligned.rs index 39b9006017958..daf397c3d9c14 100644 --- a/src/test/mir-opt/packed-struct-drop-aligned.rs +++ b/src/test/mir-opt/packed-struct-drop-aligned.rs @@ -1,5 +1,7 @@ // ignore-wasm32-bare compiled with panic=abort by default +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.main.SimplifyCfg-elaborate-drops.after.mir fn main() { let mut x = Packed(Aligned(Droppy(0))); x.0 = Aligned(Droppy(0)); @@ -13,47 +15,3 @@ struct Droppy(usize); impl Drop for Droppy { fn drop(&mut self) {} } - -// END RUST SOURCE -// START rustc.main.SimplifyCfg-elaborate-drops.after.mir -// fn main() -> () { -// let mut _0: (); -// let mut _1: Packed; -// let mut _2: Aligned; -// let mut _3: Droppy; -// let mut _4: Aligned; -// let mut _5: Droppy; -// let mut _6: Aligned; -// scope 1 { -// debug x => _1; -// } -// -// bb0: { -// StorageLive(_1); -// ... -// _1 = Packed(move _2,); -// ... -// StorageLive(_6); -// _6 = move (_1.0: Aligned); -// drop(_6) -> [return: bb4, unwind: bb3]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// StorageDead(_1); -// return; -// } -// bb3 (cleanup): { -// (_1.0: Aligned) = move _4; -// drop(_1) -> bb1; -// } -// bb4: { -// StorageDead(_6); -// (_1.0: Aligned) = move _4; -// StorageDead(_4); -// _0 = (); -// drop(_1) -> [return: bb2, unwind: bb1]; -// } -// } -// END rustc.main.SimplifyCfg-elaborate-drops.after.mir diff --git a/src/test/mir-opt/packed-struct-drop-aligned/32bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/packed-struct-drop-aligned/32bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..03265c613bc79 --- /dev/null +++ b/src/test/mir-opt/packed-struct-drop-aligned/32bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,67 @@ +// MIR for `main` after SimplifyCfg-elaborate-drops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/packed-struct-drop-aligned.rs:5:11: 5:11 + let mut _1: Packed; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:6:9: 6:14 + let mut _2: Aligned; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:6:24: 6:42 + let mut _3: Droppy; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:6:32: 6:41 + let mut _4: Aligned; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:7:11: 7:29 + let mut _5: Droppy; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:7:19: 7:28 + let mut _6: Aligned; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + scope 1 { + debug x => _1; // in scope 1 at $DIR/packed-struct-drop-aligned.rs:6:9: 6:14 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:9: 6:14 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:24: 6:42 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:32: 6:41 + _3 = Droppy(const 0usize,); // bb0[3]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:32: 6:41 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/packed-struct-drop-aligned.rs:6:39: 6:40 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000000)) } + _2 = Aligned(move _3,); // bb0[4]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:24: 6:42 + StorageDead(_3); // bb0[5]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:41: 6:42 + _1 = Packed(move _2,); // bb0[6]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:17: 6:43 + StorageDead(_2); // bb0[7]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:42: 6:43 + StorageLive(_4); // bb0[8]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:11: 7:29 + StorageLive(_5); // bb0[9]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:19: 7:28 + _5 = Droppy(const 0usize,); // bb0[10]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:19: 7:28 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/packed-struct-drop-aligned.rs:7:26: 7:27 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000000)) } + _4 = Aligned(move _5,); // bb0[11]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:11: 7:29 + StorageDead(_5); // bb0[12]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:28: 7:29 + StorageLive(_6); // bb0[13]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + _6 = move (_1.0: Aligned); // bb0[14]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + drop(_6) -> [return: bb4, unwind: bb3]; // bb0[15]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/packed-struct-drop-aligned.rs:5:1: 8:2 + } + + bb2: { + StorageDead(_1); // bb2[0]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:1: 8:2 + return; // bb2[1]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:2: 8:2 + } + + bb3 (cleanup): { + (_1.0: Aligned) = move _4; // bb3[0]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + drop(_1) -> bb1; // bb3[1]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:1: 8:2 + } + + bb4: { + StorageDead(_6); // bb4[0]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + (_1.0: Aligned) = move _4; // bb4[1]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + StorageDead(_4); // bb4[2]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:28: 7:29 + _0 = (); // bb4[3]: scope 0 at $DIR/packed-struct-drop-aligned.rs:5:11: 8:2 + drop(_1) -> [return: bb2, unwind: bb1]; // bb4[4]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:1: 8:2 + } +} diff --git a/src/test/mir-opt/packed-struct-drop-aligned/64bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/packed-struct-drop-aligned/64bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..a1424d0bf5922 --- /dev/null +++ b/src/test/mir-opt/packed-struct-drop-aligned/64bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,67 @@ +// MIR for `main` after SimplifyCfg-elaborate-drops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/packed-struct-drop-aligned.rs:5:11: 5:11 + let mut _1: Packed; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:6:9: 6:14 + let mut _2: Aligned; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:6:24: 6:42 + let mut _3: Droppy; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:6:32: 6:41 + let mut _4: Aligned; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:7:11: 7:29 + let mut _5: Droppy; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:7:19: 7:28 + let mut _6: Aligned; // in scope 0 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + scope 1 { + debug x => _1; // in scope 1 at $DIR/packed-struct-drop-aligned.rs:6:9: 6:14 + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:9: 6:14 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:24: 6:42 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:32: 6:41 + _3 = Droppy(const 0usize,); // bb0[3]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:32: 6:41 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000000)) + // mir::Constant + // + span: $DIR/packed-struct-drop-aligned.rs:6:39: 6:40 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000000)) } + _2 = Aligned(move _3,); // bb0[4]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:24: 6:42 + StorageDead(_3); // bb0[5]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:41: 6:42 + _1 = Packed(move _2,); // bb0[6]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:17: 6:43 + StorageDead(_2); // bb0[7]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:42: 6:43 + StorageLive(_4); // bb0[8]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:11: 7:29 + StorageLive(_5); // bb0[9]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:19: 7:28 + _5 = Droppy(const 0usize,); // bb0[10]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:19: 7:28 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000000)) + // mir::Constant + // + span: $DIR/packed-struct-drop-aligned.rs:7:26: 7:27 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000000)) } + _4 = Aligned(move _5,); // bb0[11]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:11: 7:29 + StorageDead(_5); // bb0[12]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:28: 7:29 + StorageLive(_6); // bb0[13]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + _6 = move (_1.0: Aligned); // bb0[14]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + drop(_6) -> [return: bb4, unwind: bb3]; // bb0[15]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/packed-struct-drop-aligned.rs:5:1: 8:2 + } + + bb2: { + StorageDead(_1); // bb2[0]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:1: 8:2 + return; // bb2[1]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:2: 8:2 + } + + bb3 (cleanup): { + (_1.0: Aligned) = move _4; // bb3[0]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + drop(_1) -> bb1; // bb3[1]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:1: 8:2 + } + + bb4: { + StorageDead(_6); // bb4[0]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + (_1.0: Aligned) = move _4; // bb4[1]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8 + StorageDead(_4); // bb4[2]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:28: 7:29 + _0 = (); // bb4[3]: scope 0 at $DIR/packed-struct-drop-aligned.rs:5:11: 8:2 + drop(_1) -> [return: bb2, unwind: bb1]; // bb4[4]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:1: 8:2 + } +} diff --git a/src/test/mir-opt/remove_fake_borrows.rs b/src/test/mir-opt/remove_fake_borrows.rs index ea106eaf59529..fd2f1d0dbffc6 100644 --- a/src/test/mir-opt/remove_fake_borrows.rs +++ b/src/test/mir-opt/remove_fake_borrows.rs @@ -2,6 +2,7 @@ // ignore-wasm32-bare compiled with panic=abort by default +// EMIT_MIR rustc.match_guard.CleanupNonCodegenStatements.diff fn match_guard(x: Option<&&i32>, c: bool) -> i32 { match x { Some(0) if c => 0, @@ -12,97 +13,3 @@ fn match_guard(x: Option<&&i32>, c: bool) -> i32 { fn main() { match_guard(None, true); } - -// END RUST SOURCE - -// START rustc.match_guard.CleanupNonCodegenStatements.before.mir -// bb0: { -// FakeRead(ForMatchedPlace, _1); -// _3 = discriminant(_1); -// switchInt(move _3) -> [1isize: bb2, otherwise: bb1]; -// } -// bb1: { -// _0 = const 1i32; -// goto -> bb7; -// } -// bb2: { -// switchInt((*(*((_1 as Some).0: &&i32)))) -> [0i32: bb3, otherwise: bb1]; -// } -// bb3: { -// goto -> bb4; -// } -// bb4: { -// _4 = &shallow _1; -// _5 = &shallow ((_1 as Some).0: &&i32); -// _6 = &shallow (*((_1 as Some).0: &&i32)); -// _7 = &shallow (*(*((_1 as Some).0: &&i32))); -// StorageLive(_8); -// _8 = _2; -// switchInt(move _8) -> [false: bb6, otherwise: bb5]; -// } -// bb5: { -// StorageDead(_8); -// FakeRead(ForMatchGuard, _4); -// FakeRead(ForMatchGuard, _5); -// FakeRead(ForMatchGuard, _6); -// FakeRead(ForMatchGuard, _7); -// _0 = const 0i32; -// goto -> bb7; -// } -// bb6: { -// StorageDead(_8); -// goto -> bb1; -// } -// bb7: { -// return; -// } -// bb8 (cleanup): { -// resume; -// } -// END rustc.match_guard.CleanupNonCodegenStatements.before.mir - -// START rustc.match_guard.CleanupNonCodegenStatements.after.mir -// bb0: { -// nop; -// _3 = discriminant(_1); -// switchInt(move _3) -> [1isize: bb2, otherwise: bb1]; -// } -// bb1: { -// _0 = const 1i32; -// goto -> bb7; -// } -// bb2: { -// switchInt((*(*((_1 as Some).0: &&i32)))) -> [0i32: bb3, otherwise: bb1]; -// } -// bb3: { -// goto -> bb4; -// } -// bb4: { -// nop; -// nop; -// nop; -// nop; -// StorageLive(_8); -// _8 = _2; -// switchInt(move _8) -> [false: bb6, otherwise: bb5]; -// } -// bb5: { -// StorageDead(_8); -// nop; -// nop; -// nop; -// nop; -// _0 = const 0i32; -// goto -> bb7; -// } -// bb6: { -// StorageDead(_8); -// goto -> bb1; -// } -// bb7: { -// return; -// } -// bb8 (cleanup): { -// resume; -// } -// END rustc.match_guard.CleanupNonCodegenStatements.after.mir diff --git a/src/test/mir-opt/remove_fake_borrows/rustc.match_guard.CleanupNonCodegenStatements.diff b/src/test/mir-opt/remove_fake_borrows/rustc.match_guard.CleanupNonCodegenStatements.diff new file mode 100644 index 0000000000000..c915554a127be --- /dev/null +++ b/src/test/mir-opt/remove_fake_borrows/rustc.match_guard.CleanupNonCodegenStatements.diff @@ -0,0 +1,88 @@ +- // MIR for `match_guard` before CleanupNonCodegenStatements ++ // MIR for `match_guard` after CleanupNonCodegenStatements + + fn match_guard(_1: std::option::Option<&&i32>, _2: bool) -> i32 { + debug x => _1; // in scope 0 at $DIR/remove_fake_borrows.rs:6:16: 6:17 + debug c => _2; // in scope 0 at $DIR/remove_fake_borrows.rs:6:34: 6:35 + let mut _0: i32; // return place in scope 0 at $DIR/remove_fake_borrows.rs:6:46: 6:49 + let mut _3: isize; // in scope 0 at $DIR/remove_fake_borrows.rs:8:9: 8:16 + let mut _4: &std::option::Option<&&i32>; // in scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 + let mut _5: &&&i32; // in scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 + let mut _6: &&i32; // in scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 + let mut _7: &i32; // in scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 + let mut _8: bool; // in scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 + + bb0: { +- FakeRead(ForMatchedPlace, _1); // bb0[0]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 ++ nop; // bb0[0]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 + _3 = discriminant(_1); // bb0[1]: scope 0 at $DIR/remove_fake_borrows.rs:8:9: 8:16 + switchInt(move _3) -> [1isize: bb2, otherwise: bb1]; // bb0[2]: scope 0 at $DIR/remove_fake_borrows.rs:8:9: 8:16 + } + + bb1: { + _0 = const 1i32; // bb1[0]: scope 0 at $DIR/remove_fake_borrows.rs:9:14: 9:15 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/remove_fake_borrows.rs:9:14: 9:15 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + goto -> bb7; // bb1[1]: scope 0 at $DIR/remove_fake_borrows.rs:7:5: 10:6 + } + + bb2: { + switchInt((*(*((_1 as Some).0: &&i32)))) -> [0i32: bb3, otherwise: bb1]; // bb2[0]: scope 0 at $DIR/remove_fake_borrows.rs:8:14: 8:15 + } + + bb3: { + goto -> bb4; // bb3[0]: scope 0 at $DIR/remove_fake_borrows.rs:8:9: 8:16 + } + + bb4: { +- _4 = &shallow _1; // bb4[0]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 +- _5 = &shallow ((_1 as Some).0: &&i32); // bb4[1]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 +- _6 = &shallow (*((_1 as Some).0: &&i32)); // bb4[2]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 +- _7 = &shallow (*(*((_1 as Some).0: &&i32))); // bb4[3]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 ++ nop; // bb4[0]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 ++ nop; // bb4[1]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 ++ nop; // bb4[2]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 ++ nop; // bb4[3]: scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 + StorageLive(_8); // bb4[4]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 + _8 = _2; // bb4[5]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 + switchInt(move _8) -> [false: bb6, otherwise: bb5]; // bb4[6]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 + } + + bb5: { + StorageDead(_8); // bb5[0]: scope 0 at $DIR/remove_fake_borrows.rs:8:26: 8:27 +- FakeRead(ForMatchGuard, _4); // bb5[1]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 +- FakeRead(ForMatchGuard, _5); // bb5[2]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 +- FakeRead(ForMatchGuard, _6); // bb5[3]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 +- FakeRead(ForMatchGuard, _7); // bb5[4]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 ++ nop; // bb5[1]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 ++ nop; // bb5[2]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 ++ nop; // bb5[3]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 ++ nop; // bb5[4]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 + _0 = const 0i32; // bb5[5]: scope 0 at $DIR/remove_fake_borrows.rs:8:25: 8:26 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/remove_fake_borrows.rs:8:25: 8:26 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + goto -> bb7; // bb5[6]: scope 0 at $DIR/remove_fake_borrows.rs:7:5: 10:6 + } + + bb6: { + StorageDead(_8); // bb6[0]: scope 0 at $DIR/remove_fake_borrows.rs:8:26: 8:27 + goto -> bb1; // bb6[1]: scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 + } + + bb7: { + return; // bb7[0]: scope 0 at $DIR/remove_fake_borrows.rs:11:2: 11:2 + } + + bb8 (cleanup): { + resume; // bb8[0]: scope 0 at $DIR/remove_fake_borrows.rs:6:1: 11:2 + } + } + diff --git a/src/test/mir-opt/retag.rs b/src/test/mir-opt/retag.rs index a0a7a760c2da5..eba0f567c4a08 100644 --- a/src/test/mir-opt/retag.rs +++ b/src/test/mir-opt/retag.rs @@ -6,6 +6,8 @@ struct Test(i32); +// EMIT_MIR rustc.{{impl}}-foo.SimplifyCfg-elaborate-drops.after.mir +// EMIT_MIR rustc.{{impl}}-foo_shr.SimplifyCfg-elaborate-drops.after.mir impl Test { // Make sure we run the pass on a method, not just on bare functions. fn foo<'x>(&self, x: &'x mut i32) -> &'x mut i32 { @@ -16,10 +18,14 @@ impl Test { } } +// EMIT_MIR rustc.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir + impl Drop for Test { fn drop(&mut self) {} } +// EMIT_MIR rustc.main.SimplifyCfg-elaborate-drops.after.mir +// EMIT_MIR rustc.main-{{closure}}.SimplifyCfg-elaborate-drops.after.mir fn main() { let mut x = 0; { @@ -43,94 +49,3 @@ fn main() { // escape-to-raw (shr) let _w = _w as *const _; } - -// END RUST SOURCE -// START rustc.{{impl}}-foo.SimplifyCfg-elaborate-drops.after.mir -// bb0: { -// Retag([fn entry] _1); -// Retag([fn entry] _2); -// ... -// _0 = &mut (*_3); -// Retag(_0); -// ... -// return; -// } -// END rustc.{{impl}}-foo.SimplifyCfg-elaborate-drops.after.mir -// START rustc.{{impl}}-foo_shr.SimplifyCfg-elaborate-drops.after.mir -// bb0: { -// Retag([fn entry] _1); -// Retag([fn entry] _2); -// ... -// _0 = _2; -// Retag(_0); -// ... -// return; -// } -// END rustc.{{impl}}-foo_shr.SimplifyCfg-elaborate-drops.after.mir -// START rustc.main.SimplifyCfg-elaborate-drops.after.mir -// fn main() -> () { -// ... -// bb0: { -// ... -// _3 = const Test::foo(move _4, move _6) -> [return: bb2, unwind: bb3]; -// } -// -// ... -// -// bb2: { -// Retag(_3); -// ... -// _9 = move _3; -// Retag(_9); -// _8 = &mut (*_9); -// Retag(_8); -// StorageDead(_9); -// StorageLive(_10); -// _10 = move _8; -// Retag(_10); -// ... -// _12 = &raw mut (*_10); -// Retag([raw] _12); -// ... -// _15 = move _16(move _17) -> bb5; -// } -// -// bb5: { -// Retag(_15); -// ... -// _19 = const Test::foo_shr(move _20, move _22) -> [return: bb6, unwind: bb7]; -// } -// -// ... -// } -// END rustc.main.SimplifyCfg-elaborate-drops.after.mir -// START rustc.main-{{closure}}.SimplifyCfg-elaborate-drops.after.mir -// fn main::{{closure}}#0(_1: &[closure@main::{{closure}}#0], _2: &i32) -> &i32 { -// ... -// bb0: { -// Retag([fn entry] _1); -// Retag([fn entry] _2); -// StorageLive(_3); -// _3 = _2; -// Retag(_3); -// _0 = _2; -// Retag(_0); -// StorageDead(_3); -// return; -// } -// } -// END rustc.main-{{closure}}.SimplifyCfg-elaborate-drops.after.mir -// START rustc.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir -// fn std::intrinsics::drop_in_place(_1: *mut Test) -> () { -// ... -// bb0: { -// Retag([raw] _1); -// _2 = &mut (*_1); -// _3 = const ::drop(move _2) -> bb1; -// } -// -// bb1: { -// return; -// } -// } -// END rustc.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir diff --git a/src/test/mir-opt/retag/rustc.main-{{closure}}.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/retag/rustc.main-{{closure}}.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..5aa2510f3449e --- /dev/null +++ b/src/test/mir-opt/retag/rustc.main-{{closure}}.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,22 @@ +// MIR for `main::{{closure}}#0` after SimplifyCfg-elaborate-drops + +fn main::{{closure}}#0(_1: &[closure@main::{{closure}}#0], _2: &i32) -> &i32 { + debug x => _2; // in scope 0 at $DIR/retag.rs:40:32: 40:33 + let mut _0: &i32; // return place in scope 0 at $DIR/retag.rs:40:44: 40:48 + let _3: &i32; // in scope 0 at $DIR/retag.rs:41:13: 41:15 + scope 1 { + debug _y => _3; // in scope 1 at $DIR/retag.rs:41:13: 41:15 + } + + bb0: { + Retag([fn entry] _1); // bb0[0]: scope 0 at $DIR/retag.rs:40:31: 43:6 + Retag([fn entry] _2); // bb0[1]: scope 0 at $DIR/retag.rs:40:31: 43:6 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/retag.rs:41:13: 41:15 + _3 = _2; // bb0[3]: scope 0 at $DIR/retag.rs:41:18: 41:19 + Retag(_3); // bb0[4]: scope 0 at $DIR/retag.rs:41:18: 41:19 + _0 = _2; // bb0[5]: scope 1 at $DIR/retag.rs:42:9: 42:10 + Retag(_0); // bb0[6]: scope 1 at $DIR/retag.rs:42:9: 42:10 + StorageDead(_3); // bb0[7]: scope 0 at $DIR/retag.rs:43:5: 43:6 + return; // bb0[8]: scope 0 at $DIR/retag.rs:43:6: 43:6 + } +} diff --git a/src/test/mir-opt/retag/rustc.main.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/retag/rustc.main.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..780cb9d4ad51a --- /dev/null +++ b/src/test/mir-opt/retag/rustc.main.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,227 @@ +// MIR for `main` after SimplifyCfg-elaborate-drops + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/retag.rs:29:11: 29:11 + let mut _1: i32; // in scope 0 at $DIR/retag.rs:30:9: 30:14 + let _2: (); // in scope 0 at $DIR/retag.rs:31:5: 37:6 + let mut _4: &Test; // in scope 0 at $DIR/retag.rs:32:17: 32:24 + let _5: Test; // in scope 0 at $DIR/retag.rs:32:17: 32:24 + let mut _6: &mut i32; // in scope 0 at $DIR/retag.rs:32:29: 32:35 + let mut _7: &mut i32; // in scope 0 at $DIR/retag.rs:32:29: 32:35 + let mut _9: &mut i32; // in scope 0 at $DIR/retag.rs:33:19: 33:20 + let mut _12: *mut i32; // in scope 0 at $DIR/retag.rs:36:18: 36:29 + let mut _14: [closure@main::{{closure}}#0]; // in scope 0 at $DIR/retag.rs:40:31: 43:6 + let mut _16: for<'r> fn(&'r i32) -> &'r i32; // in scope 0 at $DIR/retag.rs:44:14: 44:15 + let mut _17: &i32; // in scope 0 at $DIR/retag.rs:44:16: 44:18 + let _18: &i32; // in scope 0 at $DIR/retag.rs:44:16: 44:18 + let _19: &i32; // in scope 0 at $DIR/retag.rs:47:5: 47:24 + let mut _20: &Test; // in scope 0 at $DIR/retag.rs:47:5: 47:12 + let _21: Test; // in scope 0 at $DIR/retag.rs:47:5: 47:12 + let mut _22: &i32; // in scope 0 at $DIR/retag.rs:47:21: 47:23 + let _23: &i32; // in scope 0 at $DIR/retag.rs:47:21: 47:23 + let _24: i32; // in scope 0 at $DIR/retag.rs:47:22: 47:23 + let mut _26: *const i32; // in scope 0 at $DIR/retag.rs:50:14: 50:28 + scope 1 { + debug x => _1; // in scope 1 at $DIR/retag.rs:30:9: 30:14 + let _3: &mut i32; // in scope 1 at $DIR/retag.rs:32:13: 32:14 + let _13: for<'r> fn(&'r i32) -> &'r i32 as UserTypeProjection { base: UserType(1), projs: [] }; // in scope 1 at $DIR/retag.rs:40:9: 40:10 + scope 2 { + debug v => _3; // in scope 2 at $DIR/retag.rs:32:13: 32:14 + let _8: &mut i32; // in scope 2 at $DIR/retag.rs:33:13: 33:14 + scope 3 { + debug w => _8; // in scope 3 at $DIR/retag.rs:33:13: 33:14 + let _10: &mut i32; // in scope 3 at $DIR/retag.rs:34:13: 34:14 + scope 4 { + debug w => _10; // in scope 4 at $DIR/retag.rs:34:13: 34:14 + let _11: *mut i32; // in scope 4 at $DIR/retag.rs:36:13: 36:15 + scope 5 { + debug _w => _11; // in scope 5 at $DIR/retag.rs:36:13: 36:15 + } + } + } + } + scope 6 { + debug c => _13; // in scope 6 at $DIR/retag.rs:40:9: 40:10 + let _15: &i32; // in scope 6 at $DIR/retag.rs:44:9: 44:11 + scope 7 { + debug _w => _15; // in scope 7 at $DIR/retag.rs:44:9: 44:11 + let _25: *const i32; // in scope 7 at $DIR/retag.rs:50:9: 50:11 + let mut _27: &i32; // in scope 7 at $DIR/retag.rs:47:21: 47:23 + scope 8 { + debug _w => _25; // in scope 8 at $DIR/retag.rs:50:9: 50:11 + } + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/retag.rs:30:9: 30:14 + _1 = const 0i32; // bb0[1]: scope 0 at $DIR/retag.rs:30:17: 30:18 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/retag.rs:30:17: 30:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + StorageLive(_2); // bb0[2]: scope 1 at $DIR/retag.rs:31:5: 37:6 + StorageLive(_3); // bb0[3]: scope 1 at $DIR/retag.rs:32:13: 32:14 + StorageLive(_4); // bb0[4]: scope 1 at $DIR/retag.rs:32:17: 32:24 + StorageLive(_5); // bb0[5]: scope 1 at $DIR/retag.rs:32:17: 32:24 + _5 = Test(const 0i32,); // bb0[6]: scope 1 at $DIR/retag.rs:32:17: 32:24 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/retag.rs:32:22: 32:23 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + _4 = &_5; // bb0[7]: scope 1 at $DIR/retag.rs:32:17: 32:24 + Retag(_4); // bb0[8]: scope 1 at $DIR/retag.rs:32:17: 32:24 + StorageLive(_6); // bb0[9]: scope 1 at $DIR/retag.rs:32:29: 32:35 + StorageLive(_7); // bb0[10]: scope 1 at $DIR/retag.rs:32:29: 32:35 + _7 = &mut _1; // bb0[11]: scope 1 at $DIR/retag.rs:32:29: 32:35 + Retag(_7); // bb0[12]: scope 1 at $DIR/retag.rs:32:29: 32:35 + _6 = &mut (*_7); // bb0[13]: scope 1 at $DIR/retag.rs:32:29: 32:35 + Retag([2phase] _6); // bb0[14]: scope 1 at $DIR/retag.rs:32:29: 32:35 + _3 = const Test::foo(move _4, move _6) -> [return: bb2, unwind: bb3]; // bb0[15]: scope 1 at $DIR/retag.rs:32:17: 32:36 + // ty::Const + // + ty: for<'r, 'x> fn(&'r Test, &'x mut i32) -> &'x mut i32 {Test::foo} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/retag.rs:32:25: 32:28 + // + literal: Const { ty: for<'r, 'x> fn(&'r Test, &'x mut i32) -> &'x mut i32 {Test::foo}, val: Value(Scalar()) } + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/retag.rs:29:1: 51:2 + } + + bb2: { + Retag(_3); // bb2[0]: scope 1 at $DIR/retag.rs:32:17: 32:36 + StorageDead(_6); // bb2[1]: scope 1 at $DIR/retag.rs:32:35: 32:36 + StorageDead(_4); // bb2[2]: scope 1 at $DIR/retag.rs:32:35: 32:36 + StorageDead(_7); // bb2[3]: scope 1 at $DIR/retag.rs:32:36: 32:37 + drop(_5) -> [return: bb4, unwind: bb1]; // bb2[4]: scope 1 at $DIR/retag.rs:32:36: 32:37 + } + + bb3 (cleanup): { + drop(_5) -> bb1; // bb3[0]: scope 1 at $DIR/retag.rs:32:36: 32:37 + } + + bb4: { + StorageDead(_5); // bb4[0]: scope 1 at $DIR/retag.rs:32:36: 32:37 + StorageLive(_8); // bb4[1]: scope 2 at $DIR/retag.rs:33:13: 33:14 + StorageLive(_9); // bb4[2]: scope 2 at $DIR/retag.rs:33:19: 33:20 + _9 = move _3; // bb4[3]: scope 2 at $DIR/retag.rs:33:19: 33:20 + Retag(_9); // bb4[4]: scope 2 at $DIR/retag.rs:33:19: 33:20 + _8 = &mut (*_9); // bb4[5]: scope 2 at $DIR/retag.rs:33:19: 33:20 + Retag(_8); // bb4[6]: scope 2 at $DIR/retag.rs:33:19: 33:20 + StorageDead(_9); // bb4[7]: scope 2 at $DIR/retag.rs:33:22: 33:23 + StorageLive(_10); // bb4[8]: scope 3 at $DIR/retag.rs:34:13: 34:14 + _10 = move _8; // bb4[9]: scope 3 at $DIR/retag.rs:34:17: 34:18 + Retag(_10); // bb4[10]: scope 3 at $DIR/retag.rs:34:17: 34:18 + StorageLive(_11); // bb4[11]: scope 4 at $DIR/retag.rs:36:13: 36:15 + StorageLive(_12); // bb4[12]: scope 4 at $DIR/retag.rs:36:18: 36:29 + _12 = &raw mut (*_10); // bb4[13]: scope 4 at $DIR/retag.rs:36:18: 36:19 + Retag([raw] _12); // bb4[14]: scope 4 at $DIR/retag.rs:36:18: 36:19 + _11 = _12; // bb4[15]: scope 4 at $DIR/retag.rs:36:18: 36:29 + StorageDead(_12); // bb4[16]: scope 4 at $DIR/retag.rs:36:29: 36:30 + _2 = (); // bb4[17]: scope 1 at $DIR/retag.rs:31:5: 37:6 + StorageDead(_11); // bb4[18]: scope 4 at $DIR/retag.rs:37:5: 37:6 + StorageDead(_10); // bb4[19]: scope 3 at $DIR/retag.rs:37:5: 37:6 + StorageDead(_8); // bb4[20]: scope 2 at $DIR/retag.rs:37:5: 37:6 + StorageDead(_3); // bb4[21]: scope 1 at $DIR/retag.rs:37:5: 37:6 + StorageDead(_2); // bb4[22]: scope 1 at $DIR/retag.rs:37:5: 37:6 + StorageLive(_13); // bb4[23]: scope 1 at $DIR/retag.rs:40:9: 40:10 + StorageLive(_14); // bb4[24]: scope 1 at $DIR/retag.rs:40:31: 43:6 + _14 = [closure@main::{{closure}}#0]; // bb4[25]: scope 1 at $DIR/retag.rs:40:31: 43:6 + // closure + // + def_id: DefId(0:14 ~ retag[317d]::main[0]::{{closure}}[0]) + // + substs: [ + // i8, + // for<'r> extern "rust-call" fn((&'r i32,)) -> &'r i32, + // (), + // ] + Retag(_14); // bb4[26]: scope 1 at $DIR/retag.rs:40:31: 43:6 + _13 = move _14 as for<'r> fn(&'r i32) -> &'r i32 (Pointer(ClosureFnPointer(Normal))); // bb4[27]: scope 1 at $DIR/retag.rs:40:31: 43:6 + StorageDead(_14); // bb4[28]: scope 1 at $DIR/retag.rs:43:5: 43:6 + StorageLive(_15); // bb4[29]: scope 6 at $DIR/retag.rs:44:9: 44:11 + StorageLive(_16); // bb4[30]: scope 6 at $DIR/retag.rs:44:14: 44:15 + _16 = _13; // bb4[31]: scope 6 at $DIR/retag.rs:44:14: 44:15 + StorageLive(_17); // bb4[32]: scope 6 at $DIR/retag.rs:44:16: 44:18 + StorageLive(_18); // bb4[33]: scope 6 at $DIR/retag.rs:44:16: 44:18 + _18 = &_1; // bb4[34]: scope 6 at $DIR/retag.rs:44:16: 44:18 + Retag(_18); // bb4[35]: scope 6 at $DIR/retag.rs:44:16: 44:18 + _17 = &(*_18); // bb4[36]: scope 6 at $DIR/retag.rs:44:16: 44:18 + Retag(_17); // bb4[37]: scope 6 at $DIR/retag.rs:44:16: 44:18 + _15 = move _16(move _17) -> bb5; // bb4[38]: scope 6 at $DIR/retag.rs:44:14: 44:19 + } + + bb5: { + Retag(_15); // bb5[0]: scope 6 at $DIR/retag.rs:44:14: 44:19 + StorageDead(_17); // bb5[1]: scope 6 at $DIR/retag.rs:44:18: 44:19 + StorageDead(_16); // bb5[2]: scope 6 at $DIR/retag.rs:44:18: 44:19 + StorageDead(_18); // bb5[3]: scope 6 at $DIR/retag.rs:44:19: 44:20 + StorageLive(_19); // bb5[4]: scope 7 at $DIR/retag.rs:47:5: 47:24 + StorageLive(_20); // bb5[5]: scope 7 at $DIR/retag.rs:47:5: 47:12 + StorageLive(_21); // bb5[6]: scope 7 at $DIR/retag.rs:47:5: 47:12 + _21 = Test(const 0i32,); // bb5[7]: scope 7 at $DIR/retag.rs:47:5: 47:12 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/retag.rs:47:10: 47:11 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + _20 = &_21; // bb5[8]: scope 7 at $DIR/retag.rs:47:5: 47:12 + Retag(_20); // bb5[9]: scope 7 at $DIR/retag.rs:47:5: 47:12 + StorageLive(_22); // bb5[10]: scope 7 at $DIR/retag.rs:47:21: 47:23 + StorageLive(_23); // bb5[11]: scope 7 at $DIR/retag.rs:47:21: 47:23 + _27 = const main::promoted[0]; // bb5[12]: scope 7 at $DIR/retag.rs:47:21: 47:23 + // ty::Const + // + ty: &i32 + // + val: Unevaluated(DefId(0:13 ~ retag[317d]::main[0]), [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/retag.rs:47:21: 47:23 + // + literal: Const { ty: &i32, val: Unevaluated(DefId(0:13 ~ retag[317d]::main[0]), [], Some(promoted[0])) } + Retag(_27); // bb5[13]: scope 7 at $DIR/retag.rs:47:21: 47:23 + _23 = &(*_27); // bb5[14]: scope 7 at $DIR/retag.rs:47:21: 47:23 + Retag(_23); // bb5[15]: scope 7 at $DIR/retag.rs:47:21: 47:23 + _22 = &(*_23); // bb5[16]: scope 7 at $DIR/retag.rs:47:21: 47:23 + Retag(_22); // bb5[17]: scope 7 at $DIR/retag.rs:47:21: 47:23 + _19 = const Test::foo_shr(move _20, move _22) -> [return: bb6, unwind: bb7]; // bb5[18]: scope 7 at $DIR/retag.rs:47:5: 47:24 + // ty::Const + // + ty: for<'r, 'x> fn(&'r Test, &'x i32) -> &'x i32 {Test::foo_shr} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/retag.rs:47:13: 47:20 + // + literal: Const { ty: for<'r, 'x> fn(&'r Test, &'x i32) -> &'x i32 {Test::foo_shr}, val: Value(Scalar()) } + } + + bb6: { + Retag(_19); // bb6[0]: scope 7 at $DIR/retag.rs:47:5: 47:24 + StorageDead(_22); // bb6[1]: scope 7 at $DIR/retag.rs:47:23: 47:24 + StorageDead(_20); // bb6[2]: scope 7 at $DIR/retag.rs:47:23: 47:24 + StorageDead(_23); // bb6[3]: scope 7 at $DIR/retag.rs:47:24: 47:25 + drop(_21) -> [return: bb8, unwind: bb1]; // bb6[4]: scope 7 at $DIR/retag.rs:47:24: 47:25 + } + + bb7 (cleanup): { + drop(_21) -> bb1; // bb7[0]: scope 7 at $DIR/retag.rs:47:24: 47:25 + } + + bb8: { + StorageDead(_21); // bb8[0]: scope 7 at $DIR/retag.rs:47:24: 47:25 + StorageDead(_19); // bb8[1]: scope 7 at $DIR/retag.rs:47:24: 47:25 + StorageLive(_25); // bb8[2]: scope 7 at $DIR/retag.rs:50:9: 50:11 + StorageLive(_26); // bb8[3]: scope 7 at $DIR/retag.rs:50:14: 50:28 + _26 = &raw const (*_15); // bb8[4]: scope 7 at $DIR/retag.rs:50:14: 50:16 + Retag([raw] _26); // bb8[5]: scope 7 at $DIR/retag.rs:50:14: 50:16 + _25 = _26; // bb8[6]: scope 7 at $DIR/retag.rs:50:14: 50:28 + StorageDead(_26); // bb8[7]: scope 7 at $DIR/retag.rs:50:28: 50:29 + _0 = (); // bb8[8]: scope 0 at $DIR/retag.rs:29:11: 51:2 + StorageDead(_25); // bb8[9]: scope 7 at $DIR/retag.rs:51:1: 51:2 + StorageDead(_15); // bb8[10]: scope 6 at $DIR/retag.rs:51:1: 51:2 + StorageDead(_13); // bb8[11]: scope 1 at $DIR/retag.rs:51:1: 51:2 + StorageDead(_1); // bb8[12]: scope 0 at $DIR/retag.rs:51:1: 51:2 + return; // bb8[13]: scope 0 at $DIR/retag.rs:51:2: 51:2 + } +} diff --git a/src/test/mir-opt/retag/rustc.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir b/src/test/mir-opt/retag/rustc.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir new file mode 100644 index 0000000000000..306d30587d61b --- /dev/null +++ b/src/test/mir-opt/retag/rustc.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir @@ -0,0 +1,23 @@ +// MIR for `std::intrinsics::drop_in_place` after SimplifyCfg-make_shim + +fn std::intrinsics::drop_in_place(_1: *mut Test) -> () { + let mut _0: (); // return place in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _2: &mut Test; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _3: (); // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + + bb0: { + Retag([raw] _1); // bb0[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _2 = &mut (*_1); // bb0[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _3 = const ::drop(move _2) -> bb1; // bb0[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: for<'r> fn(&'r mut Test) {::drop} + // + val: Value(Scalar()) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: for<'r> fn(&'r mut Test) {::drop}, val: Value(Scalar()) } + } + + bb1: { + return; // bb1[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } +} diff --git a/src/test/mir-opt/retag/rustc.{{impl}}-foo.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/retag/rustc.{{impl}}-foo.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..265a4bdd82243 --- /dev/null +++ b/src/test/mir-opt/retag/rustc.{{impl}}-foo.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,20 @@ +// MIR for `::foo` after SimplifyCfg-elaborate-drops + +fn ::foo(_1: &Test, _2: &mut i32) -> &mut i32 { + debug self => _1; // in scope 0 at $DIR/retag.rs:13:16: 13:21 + debug x => _2; // in scope 0 at $DIR/retag.rs:13:23: 13:24 + let mut _0: &mut i32; // return place in scope 0 at $DIR/retag.rs:13:42: 13:53 + let mut _3: &mut i32; // in scope 0 at $DIR/retag.rs:14:9: 14:10 + + bb0: { + Retag([fn entry] _1); // bb0[0]: scope 0 at $DIR/retag.rs:13:5: 15:6 + Retag([fn entry] _2); // bb0[1]: scope 0 at $DIR/retag.rs:13:5: 15:6 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/retag.rs:14:9: 14:10 + _3 = &mut (*_2); // bb0[3]: scope 0 at $DIR/retag.rs:14:9: 14:10 + Retag(_3); // bb0[4]: scope 0 at $DIR/retag.rs:14:9: 14:10 + _0 = &mut (*_3); // bb0[5]: scope 0 at $DIR/retag.rs:14:9: 14:10 + Retag(_0); // bb0[6]: scope 0 at $DIR/retag.rs:14:9: 14:10 + StorageDead(_3); // bb0[7]: scope 0 at $DIR/retag.rs:15:5: 15:6 + return; // bb0[8]: scope 0 at $DIR/retag.rs:15:6: 15:6 + } +} diff --git a/src/test/mir-opt/retag/rustc.{{impl}}-foo_shr.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/retag/rustc.{{impl}}-foo_shr.SimplifyCfg-elaborate-drops.after.mir new file mode 100644 index 0000000000000..edf1058e4574e --- /dev/null +++ b/src/test/mir-opt/retag/rustc.{{impl}}-foo_shr.SimplifyCfg-elaborate-drops.after.mir @@ -0,0 +1,15 @@ +// MIR for `::foo_shr` after SimplifyCfg-elaborate-drops + +fn ::foo_shr(_1: &Test, _2: &i32) -> &i32 { + debug self => _1; // in scope 0 at $DIR/retag.rs:16:20: 16:25 + debug x => _2; // in scope 0 at $DIR/retag.rs:16:27: 16:28 + let mut _0: &i32; // return place in scope 0 at $DIR/retag.rs:16:42: 16:49 + + bb0: { + Retag([fn entry] _1); // bb0[0]: scope 0 at $DIR/retag.rs:16:5: 18:6 + Retag([fn entry] _2); // bb0[1]: scope 0 at $DIR/retag.rs:16:5: 18:6 + _0 = _2; // bb0[2]: scope 0 at $DIR/retag.rs:17:9: 17:10 + Retag(_0); // bb0[3]: scope 0 at $DIR/retag.rs:17:9: 17:10 + return; // bb0[4]: scope 0 at $DIR/retag.rs:18:6: 18:6 + } +} diff --git a/src/test/mir-opt/retain-never-const.rs b/src/test/mir-opt/retain-never-const.rs index 8e9bae8569f19..af1077e6334cc 100644 --- a/src/test/mir-opt/retain-never-const.rs +++ b/src/test/mir-opt/retain-never-const.rs @@ -14,17 +14,9 @@ impl PrintName { const VOID: ! = panic!(); } +// EMIT_MIR rustc.no_codegen.PreCodegen.after.mir fn no_codegen() { let _ = PrintName::::VOID; } fn main() {} - -// END RUST SOURCE -// START rustc.no_codegen.PreCodegen.after.mir -// bb0: { -// StorageLive(_1); -// _1 = const PrintName::::VOID; -// unreachable; -// } -// END rustc.no_codegen.PreCodegen.after.mir diff --git a/src/test/mir-opt/retain-never-const/rustc.no_codegen.PreCodegen.after.mir b/src/test/mir-opt/retain-never-const/rustc.no_codegen.PreCodegen.after.mir new file mode 100644 index 0000000000000..2d7a79ee44c07 --- /dev/null +++ b/src/test/mir-opt/retain-never-const/rustc.no_codegen.PreCodegen.after.mir @@ -0,0 +1,21 @@ +// MIR for `no_codegen` after PreCodegen + +fn no_codegen() -> () { + let mut _0: (); // return place in scope 0 at $DIR/retain-never-const.rs:18:20: 18:20 + let mut _1: !; // in scope 0 at $DIR/retain-never-const.rs:19:13: 19:33 + scope 1 { + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/retain-never-const.rs:19:13: 19:33 + _1 = const PrintName::::VOID; // bb0[1]: scope 0 at $DIR/retain-never-const.rs:19:13: 19:33 + // ty::Const + // + ty: ! + // + val: Unevaluated(DefId(0:9 ~ retain_never_const[317d]::{{impl}}[0]::VOID[0]), [T], None) + // mir::Constant + // + span: $DIR/retain-never-const.rs:19:13: 19:33 + // + user_ty: UserType(0) + // + literal: Const { ty: !, val: Unevaluated(DefId(0:9 ~ retain_never_const[317d]::{{impl}}[0]::VOID[0]), [T], None) } + unreachable; // bb0[2]: scope 0 at $DIR/retain-never-const.rs:19:13: 19:33 + } +} diff --git a/src/test/mir-opt/simple-match.rs b/src/test/mir-opt/simple-match.rs index fc1a3bb1bf453..c8c7e9188c2ba 100644 --- a/src/test/mir-opt/simple-match.rs +++ b/src/test/mir-opt/simple-match.rs @@ -1,5 +1,7 @@ // Test that we don't generate unnecessarily large MIR for very simple matches +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.match_bool.mir_map.0.mir fn match_bool(x: bool) -> usize { match x { true => 10, @@ -8,32 +10,3 @@ fn match_bool(x: bool) -> usize { } fn main() {} - - -// END RUST SOURCE -// START rustc.match_bool.mir_map.0.mir -// bb0: { -// FakeRead(ForMatchedPlace, _1); -// switchInt(_1) -> [false: bb3, otherwise: bb2]; -// } -// bb1 (cleanup): { -// resume; -// } -// bb2: { -// falseEdges -> [real: bb4, imaginary: bb3]; -// } -// bb3: { -// _0 = const 20usize; -// goto -> bb5; -// } -// bb4: { -// _0 = const 10usize; -// goto -> bb5; -// } -// bb5: { -// goto -> bb6; -// } -// bb6: { -// return; -// } -// END rustc.match_bool.mir_map.0.mir diff --git a/src/test/mir-opt/simple-match/32bit/rustc.match_bool.mir_map.0.mir b/src/test/mir-opt/simple-match/32bit/rustc.match_bool.mir_map.0.mir new file mode 100644 index 0000000000000..b720255893a20 --- /dev/null +++ b/src/test/mir-opt/simple-match/32bit/rustc.match_bool.mir_map.0.mir @@ -0,0 +1,49 @@ +// MIR for `match_bool` 0 mir_map + +fn match_bool(_1: bool) -> usize { + debug x => _1; // in scope 0 at $DIR/simple-match.rs:5:15: 5:16 + let mut _0: usize; // return place in scope 0 at $DIR/simple-match.rs:5:27: 5:32 + + bb0: { + FakeRead(ForMatchedPlace, _1); // bb0[0]: scope 0 at $DIR/simple-match.rs:6:11: 6:12 + switchInt(_1) -> [false: bb3, otherwise: bb2]; // bb0[1]: scope 0 at $DIR/simple-match.rs:7:9: 7:13 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/simple-match.rs:5:1: 10:2 + } + + bb2: { + falseEdges -> [real: bb4, imaginary: bb3]; // bb2[0]: scope 0 at $DIR/simple-match.rs:7:9: 7:13 + } + + bb3: { + _0 = const 20usize; // bb3[0]: scope 0 at $DIR/simple-match.rs:8:14: 8:16 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000014)) + // mir::Constant + // + span: $DIR/simple-match.rs:8:14: 8:16 + // + literal: Const { ty: usize, val: Value(Scalar(0x00000014)) } + goto -> bb5; // bb3[1]: scope 0 at $DIR/simple-match.rs:6:5: 9:6 + } + + bb4: { + _0 = const 10usize; // bb4[0]: scope 0 at $DIR/simple-match.rs:7:17: 7:19 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000a)) + // mir::Constant + // + span: $DIR/simple-match.rs:7:17: 7:19 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000a)) } + goto -> bb5; // bb4[1]: scope 0 at $DIR/simple-match.rs:6:5: 9:6 + } + + bb5: { + goto -> bb6; // bb5[0]: scope 0 at $DIR/simple-match.rs:10:2: 10:2 + } + + bb6: { + return; // bb6[0]: scope 0 at $DIR/simple-match.rs:10:2: 10:2 + } +} diff --git a/src/test/mir-opt/simple-match/64bit/rustc.match_bool.mir_map.0.mir b/src/test/mir-opt/simple-match/64bit/rustc.match_bool.mir_map.0.mir new file mode 100644 index 0000000000000..f2fe72d0c118c --- /dev/null +++ b/src/test/mir-opt/simple-match/64bit/rustc.match_bool.mir_map.0.mir @@ -0,0 +1,49 @@ +// MIR for `match_bool` 0 mir_map + +fn match_bool(_1: bool) -> usize { + debug x => _1; // in scope 0 at $DIR/simple-match.rs:5:15: 5:16 + let mut _0: usize; // return place in scope 0 at $DIR/simple-match.rs:5:27: 5:32 + + bb0: { + FakeRead(ForMatchedPlace, _1); // bb0[0]: scope 0 at $DIR/simple-match.rs:6:11: 6:12 + switchInt(_1) -> [false: bb3, otherwise: bb2]; // bb0[1]: scope 0 at $DIR/simple-match.rs:7:9: 7:13 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/simple-match.rs:5:1: 10:2 + } + + bb2: { + falseEdges -> [real: bb4, imaginary: bb3]; // bb2[0]: scope 0 at $DIR/simple-match.rs:7:9: 7:13 + } + + bb3: { + _0 = const 20usize; // bb3[0]: scope 0 at $DIR/simple-match.rs:8:14: 8:16 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000014)) + // mir::Constant + // + span: $DIR/simple-match.rs:8:14: 8:16 + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000014)) } + goto -> bb5; // bb3[1]: scope 0 at $DIR/simple-match.rs:6:5: 9:6 + } + + bb4: { + _0 = const 10usize; // bb4[0]: scope 0 at $DIR/simple-match.rs:7:17: 7:19 + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x000000000000000a)) + // mir::Constant + // + span: $DIR/simple-match.rs:7:17: 7:19 + // + literal: Const { ty: usize, val: Value(Scalar(0x000000000000000a)) } + goto -> bb5; // bb4[1]: scope 0 at $DIR/simple-match.rs:6:5: 9:6 + } + + bb5: { + goto -> bb6; // bb5[0]: scope 0 at $DIR/simple-match.rs:10:2: 10:2 + } + + bb6: { + return; // bb6[0]: scope 0 at $DIR/simple-match.rs:10:2: 10:2 + } +} diff --git a/src/test/mir-opt/simplify-arm-identity.rs b/src/test/mir-opt/simplify-arm-identity.rs index a8fa64255fb9a..cc6aab7523f00 100644 --- a/src/test/mir-opt/simplify-arm-identity.rs +++ b/src/test/mir-opt/simplify-arm-identity.rs @@ -12,6 +12,7 @@ enum Dst { Foo(u8), } +// EMIT_MIR rustc.main.SimplifyArmIdentity.diff fn main() { let e: Src = Src::Foo(0); let _: Dst = match e { @@ -19,57 +20,3 @@ fn main() { Src::Bar => Dst::Foo(0), }; } - -// END RUST SOURCE -// START rustc.main.SimplifyArmIdentity.before.mir -// fn main() -> () { -// ... -// bb0: { -// StorageLive(_1); -// ((_1 as Foo).0: u8) = const 0u8; -// discriminant(_1) = 0; -// StorageLive(_2); -// _3 = discriminant(_1); -// switchInt(move _3) -> [0isize: bb3, 1isize: bb1, otherwise: bb2]; -// } -// bb1: { -// ((_2 as Foo).0: u8) = const 0u8; -// discriminant(_2) = 0; -// goto -> bb4; -// } -// ... -// bb3: { -// _4 = ((_1 as Foo).0: u8); -// ((_2 as Foo).0: u8) = move _4; -// discriminant(_2) = 0; -// goto -> bb4; -// } -// ... -// } -// END rustc.main.SimplifyArmIdentity.before.mir -// START rustc.main.SimplifyArmIdentity.after.mir -// fn main() -> () { -// ... -// bb0: { -// StorageLive(_1); -// ((_1 as Foo).0: u8) = const 0u8; -// discriminant(_1) = 0; -// StorageLive(_2); -// _3 = discriminant(_1); -// switchInt(move _3) -> [0isize: bb3, 1isize: bb1, otherwise: bb2]; -// } -// bb1: { -// ((_2 as Foo).0: u8) = const 0u8; -// discriminant(_2) = 0; -// goto -> bb4; -// } -// ... -// bb3: { -// _4 = ((_1 as Foo).0: u8); -// ((_2 as Foo).0: u8) = move _4; -// discriminant(_2) = 0; -// goto -> bb4; -// } -// ... -// } -// END rustc.main.SimplifyArmIdentity.after.mir diff --git a/src/test/mir-opt/simplify-arm-identity/rustc.main.SimplifyArmIdentity.diff b/src/test/mir-opt/simplify-arm-identity/rustc.main.SimplifyArmIdentity.diff new file mode 100644 index 0000000000000..32338127923fa --- /dev/null +++ b/src/test/mir-opt/simplify-arm-identity/rustc.main.SimplifyArmIdentity.diff @@ -0,0 +1,64 @@ +- // MIR for `main` before SimplifyArmIdentity ++ // MIR for `main` after SimplifyArmIdentity + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/simplify-arm-identity.rs:16:11: 16:11 + let _1: Src as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 0 at $DIR/simplify-arm-identity.rs:17:9: 17:10 + let mut _2: Dst; // in scope 0 at $DIR/simplify-arm-identity.rs:18:18: 21:6 + let mut _3: isize; // in scope 0 at $DIR/simplify-arm-identity.rs:19:9: 19:20 + let mut _5: u8; // in scope 0 at $DIR/simplify-arm-identity.rs:19:33: 19:34 + scope 1 { + debug e => _1; // in scope 1 at $DIR/simplify-arm-identity.rs:17:9: 17:10 + let _4: u8; // in scope 1 at $DIR/simplify-arm-identity.rs:19:18: 19:19 + scope 2 { + } + scope 3 { + debug x => _4; // in scope 3 at $DIR/simplify-arm-identity.rs:19:18: 19:19 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/simplify-arm-identity.rs:17:9: 17:10 + ((_1 as Foo).0: u8) = const 0u8; // bb0[1]: scope 0 at $DIR/simplify-arm-identity.rs:17:18: 17:29 + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/simplify-arm-identity.rs:17:27: 17:28 + // + literal: Const { ty: u8, val: Value(Scalar(0x00)) } + discriminant(_1) = 0; // bb0[2]: scope 0 at $DIR/simplify-arm-identity.rs:17:18: 17:29 + StorageLive(_2); // bb0[3]: scope 1 at $DIR/simplify-arm-identity.rs:18:18: 21:6 + _3 = discriminant(_1); // bb0[4]: scope 1 at $DIR/simplify-arm-identity.rs:19:9: 19:20 + switchInt(move _3) -> [0isize: bb3, 1isize: bb1, otherwise: bb2]; // bb0[5]: scope 1 at $DIR/simplify-arm-identity.rs:19:9: 19:20 + } + + bb1: { + ((_2 as Foo).0: u8) = const 0u8; // bb1[0]: scope 1 at $DIR/simplify-arm-identity.rs:20:21: 20:32 + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/simplify-arm-identity.rs:20:30: 20:31 + // + literal: Const { ty: u8, val: Value(Scalar(0x00)) } + discriminant(_2) = 0; // bb1[1]: scope 1 at $DIR/simplify-arm-identity.rs:20:21: 20:32 + goto -> bb4; // bb1[2]: scope 1 at $DIR/simplify-arm-identity.rs:18:18: 21:6 + } + + bb2: { + unreachable; // bb2[0]: scope 1 at $DIR/simplify-arm-identity.rs:18:24: 18:25 + } + + bb3: { + _4 = ((_1 as Foo).0: u8); // bb3[0]: scope 1 at $DIR/simplify-arm-identity.rs:19:18: 19:19 + ((_2 as Foo).0: u8) = move _4; // bb3[1]: scope 3 at $DIR/simplify-arm-identity.rs:19:24: 19:35 + discriminant(_2) = 0; // bb3[2]: scope 3 at $DIR/simplify-arm-identity.rs:19:24: 19:35 + goto -> bb4; // bb3[3]: scope 1 at $DIR/simplify-arm-identity.rs:18:18: 21:6 + } + + bb4: { + StorageDead(_2); // bb4[0]: scope 1 at $DIR/simplify-arm-identity.rs:21:6: 21:7 + StorageDead(_1); // bb4[1]: scope 0 at $DIR/simplify-arm-identity.rs:22:1: 22:2 + return; // bb4[2]: scope 0 at $DIR/simplify-arm-identity.rs:22:2: 22:2 + } + } + diff --git a/src/test/mir-opt/simplify-locals-removes-unused-consts.rs b/src/test/mir-opt/simplify-locals-removes-unused-consts.rs index e427fd55ad680..48cee3c30d2da 100644 --- a/src/test/mir-opt/simplify-locals-removes-unused-consts.rs +++ b/src/test/mir-opt/simplify-locals-removes-unused-consts.rs @@ -8,82 +8,10 @@ struct Temp { fn use_u8(_: u8) {} +// EMIT_MIR rustc.main.SimplifyLocals.diff fn main() { let ((), ()) = ((), ()); use_zst(((), ())); use_u8((Temp { x: 40 }).x + 2); } - -// END RUST SOURCE - -// START rustc.main.SimplifyLocals.before.mir -// let mut _0: (); -// let mut _1: ((), ()); -// let mut _2: (); -// let mut _3: (); -// let _4: (); -// let mut _5: ((), ()); -// let mut _6: (); -// let mut _7: (); -// let _8: (); -// let mut _9: u8; -// let mut _10: u8; -// let mut _11: Temp; -// scope 1 { -// } -// bb0: { -// StorageLive(_1); -// StorageLive(_2); -// _2 = const (); -// StorageLive(_3); -// _3 = const (); -// _1 = const {transmute(()): ((), ())}; -// StorageDead(_3); -// StorageDead(_2); -// StorageDead(_1); -// StorageLive(_4); -// StorageLive(_6); -// _6 = const (); -// StorageLive(_7); -// _7 = const (); -// StorageDead(_7); -// StorageDead(_6); -// _4 = const use_zst(const {transmute(()): ((), ())}) -> bb1; -// } -// bb1: { -// StorageDead(_4); -// StorageLive(_8); -// StorageLive(_10); -// StorageLive(_11); -// _11 = const {transmute(0x28) : Temp}; -// _10 = const 40u8; -// StorageDead(_10); -// _8 = const use_u8(const 42u8) -> bb2; -// } -// bb2: { -// StorageDead(_11); -// StorageDead(_8); -// return; -// } -// END rustc.main.SimplifyLocals.before.mir -// START rustc.main.SimplifyLocals.after.mir -// let mut _0: (); -// let _1: (); -// let _2: (); -// scope 1 { -// } -// bb0: { -// StorageLive(_1); -// _1 = const use_zst(const {transmute(()): ((), ())}) -> bb1; -// } -// bb1: { -// StorageDead(_1); -// StorageLive(_2); -// _2 = const use_u8(const 42u8) -> bb2; -// } -// bb2: { -// StorageDead(_2); -// return; -// } -// END rustc.main.SimplifyLocals.after.mir diff --git a/src/test/mir-opt/simplify-locals-removes-unused-consts/rustc.main.SimplifyLocals.diff b/src/test/mir-opt/simplify-locals-removes-unused-consts/rustc.main.SimplifyLocals.diff new file mode 100644 index 0000000000000..15deb3e31bd5b --- /dev/null +++ b/src/test/mir-opt/simplify-locals-removes-unused-consts/rustc.main.SimplifyLocals.diff @@ -0,0 +1,132 @@ +- // MIR for `main` before SimplifyLocals ++ // MIR for `main` after SimplifyLocals + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:12:11: 12:11 +- let mut _1: ((), ()); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28 +- let mut _2: (); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23 +- let mut _3: (); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27 +- let _4: (); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22 +- let mut _5: ((), ()); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21 +- let mut _6: (); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16 +- let mut _7: (); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20 +- let _8: (); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35 +- let mut _9: u8; // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:34 +- let mut _10: u8; // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30 +- let mut _11: Temp; // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28 ++ let _1: (); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22 ++ let _2: (); // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35 + scope 1 { + } + + bb0: { +- StorageLive(_1); // bb0[0]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28 +- StorageLive(_2); // bb0[1]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23 +- _2 = const (); // bb0[2]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23 ++ StorageLive(_1); // bb0[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22 ++ _1 = const use_zst(const {transmute(()): ((), ())}) -> bb1; // bb0[1]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22 + // ty::Const +- // + ty: () +- // + val: Value(Scalar()) +- // mir::Constant +- // + span: $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23 +- // + literal: Const { ty: (), val: Value(Scalar()) } +- StorageLive(_3); // bb0[3]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27 +- _3 = const (); // bb0[4]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27 +- // ty::Const +- // + ty: () +- // + val: Value(Scalar()) +- // mir::Constant +- // + span: $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27 +- // + literal: Const { ty: (), val: Value(Scalar()) } +- _1 = const {transmute(()): ((), ())}; // bb0[5]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28 +- // ty::Const +- // + ty: ((), ()) +- // + val: Value(Scalar()) +- // mir::Constant +- // + span: $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28 +- // + literal: Const { ty: ((), ()), val: Value(Scalar()) } +- StorageDead(_3); // bb0[6]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:27: 13:28 +- StorageDead(_2); // bb0[7]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:27: 13:28 +- StorageDead(_1); // bb0[8]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:28: 13:29 +- StorageLive(_4); // bb0[9]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22 +- StorageLive(_6); // bb0[10]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16 +- _6 = const (); // bb0[11]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16 +- // ty::Const +- // + ty: () +- // + val: Value(Scalar()) +- // mir::Constant +- // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16 +- // + literal: Const { ty: (), val: Value(Scalar()) } +- StorageLive(_7); // bb0[12]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20 +- _7 = const (); // bb0[13]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20 +- // ty::Const +- // + ty: () +- // + val: Value(Scalar()) +- // mir::Constant +- // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20 +- // + literal: Const { ty: (), val: Value(Scalar()) } +- StorageDead(_7); // bb0[14]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:20: 14:21 +- StorageDead(_6); // bb0[15]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:20: 14:21 +- _4 = const use_zst(const {transmute(()): ((), ())}) -> bb1; // bb0[16]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22 +- // ty::Const + // + ty: fn(((), ())) {use_zst} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:12 + // + literal: Const { ty: fn(((), ())) {use_zst}, val: Value(Scalar()) } + // ty::Const + // + ty: ((), ()) + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21 + // + literal: Const { ty: ((), ()), val: Value(Scalar()) } + } + + bb1: { +- StorageDead(_4); // bb1[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:22: 14:23 +- StorageLive(_8); // bb1[1]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35 +- StorageLive(_10); // bb1[2]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30 +- StorageLive(_11); // bb1[3]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28 +- _11 = const {transmute(0x28): Temp}; // bb1[4]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28 ++ StorageDead(_1); // bb1[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:22: 14:23 ++ StorageLive(_2); // bb1[1]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35 ++ _2 = const use_u8(const 42u8) -> bb2; // bb1[2]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35 + // ty::Const +- // + ty: Temp +- // + val: Value(Scalar(0x28)) +- // mir::Constant +- // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28 +- // + literal: Const { ty: Temp, val: Value(Scalar(0x28)) } +- _10 = const 40u8; // bb1[5]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30 +- // ty::Const +- // + ty: u8 +- // + val: Value(Scalar(0x28)) +- // mir::Constant +- // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30 +- // + literal: Const { ty: u8, val: Value(Scalar(0x28)) } +- StorageDead(_10); // bb1[6]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:33: 16:34 +- _8 = const use_u8(const 42u8) -> bb2; // bb1[7]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35 +- // ty::Const + // + ty: fn(u8) {use_u8} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:11 + // + literal: Const { ty: fn(u8) {use_u8}, val: Value(Scalar()) } + // ty::Const + // + ty: u8 + // + val: Value(Scalar(0x2a)) + // mir::Constant + // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:34 + // + literal: Const { ty: u8, val: Value(Scalar(0x2a)) } + } + + bb2: { +- StorageDead(_11); // bb2[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36 +- StorageDead(_8); // bb2[1]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36 +- return; // bb2[2]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:17:2: 17:2 ++ StorageDead(_2); // bb2[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36 ++ return; // bb2[1]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:17:2: 17:2 + } + } + diff --git a/src/test/mir-opt/simplify_cfg.rs b/src/test/mir-opt/simplify_cfg.rs index ef843f7158130..8d588a39d651b 100644 --- a/src/test/mir-opt/simplify_cfg.rs +++ b/src/test/mir-opt/simplify_cfg.rs @@ -1,5 +1,7 @@ // Test that the goto chain starting from bb0 is collapsed. +// EMIT_MIR rustc.main.SimplifyCfg-initial.diff +// EMIT_MIR rustc.main.SimplifyCfg-early-opt.diff fn main() { loop { if bar() { @@ -12,43 +14,3 @@ fn main() { fn bar() -> bool { true } - -// END RUST SOURCE -// START rustc.main.SimplifyCfg-initial.before.mir -// bb0: { -// goto -> bb1; -// } -// bb1: { -// falseUnwind -> [real: bb3, cleanup: bb4]; -// } -// ... -// bb11: { -// ... -// goto -> bb1; -// } -// END rustc.main.SimplifyCfg-initial.before.mir -// START rustc.main.SimplifyCfg-initial.after.mir -// bb0: { -// falseUnwind -> [real: bb1, cleanup: bb2]; -// } -// ... -// bb5: { -// ... -// goto -> bb0; -// } -// END rustc.main.SimplifyCfg-initial.after.mir -// START rustc.main.SimplifyCfg-early-opt.before.mir -// bb0: { -// goto -> bb1; -// } -// bb1: { -// StorageLive(_2); -// _2 = const bar() -> bb3; -// } -// END rustc.main.SimplifyCfg-early-opt.before.mir -// START rustc.main.SimplifyCfg-early-opt.after.mir -// bb0: { -// StorageLive(_2); -// _2 = const bar() -> bb1; -// } -// END rustc.main.SimplifyCfg-early-opt.after.mir diff --git a/src/test/mir-opt/simplify_cfg/rustc.main.SimplifyCfg-early-opt.diff b/src/test/mir-opt/simplify_cfg/rustc.main.SimplifyCfg-early-opt.diff new file mode 100644 index 0000000000000..9225bcd0b6520 --- /dev/null +++ b/src/test/mir-opt/simplify_cfg/rustc.main.SimplifyCfg-early-opt.diff @@ -0,0 +1,62 @@ +- // MIR for `main` before SimplifyCfg-early-opt ++ // MIR for `main` after SimplifyCfg-early-opt + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/simplify_cfg.rs:5:11: 5:11 + let mut _1: (); // in scope 0 at $DIR/simplify_cfg.rs:5:1: 11:2 + let mut _2: bool; // in scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 + let mut _3: !; // in scope 0 at $DIR/simplify_cfg.rs:7:18: 9:10 + + bb0: { +- goto -> bb1; // bb0[0]: scope 0 at $DIR/simplify_cfg.rs:6:5: 10:6 +- } +- +- bb1: { +- StorageLive(_2); // bb1[0]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 +- _2 = const bar() -> bb3; // bb1[1]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 ++ StorageLive(_2); // bb0[0]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 ++ _2 = const bar() -> bb1; // bb0[1]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 + // ty::Const + // + ty: fn() -> bool {bar} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/simplify_cfg.rs:7:12: 7:15 + // + literal: Const { ty: fn() -> bool {bar}, val: Value(Scalar()) } + } + +- bb2 (cleanup): { +- resume; // bb2[0]: scope 0 at $DIR/simplify_cfg.rs:5:1: 11:2 ++ bb1: { ++ switchInt(_2) -> [false: bb2, otherwise: bb3]; // bb1[0]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 + } + +- bb3: { +- nop; // bb3[0]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 +- switchInt(_2) -> [false: bb5, otherwise: bb4]; // bb3[1]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 ++ bb2: { ++ _1 = (); // bb2[0]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 ++ StorageDead(_2); // bb2[1]: scope 0 at $DIR/simplify_cfg.rs:10:5: 10:6 ++ goto -> bb0; // bb2[2]: scope 0 at $DIR/simplify_cfg.rs:6:5: 10:6 + } + +- bb4: { +- goto -> bb6; // bb4[0]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 +- } +- +- bb5: { +- _1 = (); // bb5[0]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 +- StorageDead(_2); // bb5[1]: scope 0 at $DIR/simplify_cfg.rs:10:5: 10:6 +- goto -> bb0; // bb5[2]: scope 0 at $DIR/simplify_cfg.rs:6:5: 10:6 +- } +- +- bb6: { +- _0 = (); // bb6[0]: scope 0 at $DIR/simplify_cfg.rs:8:13: 8:18 +- StorageDead(_2); // bb6[1]: scope 0 at $DIR/simplify_cfg.rs:10:5: 10:6 +- return; // bb6[2]: scope 0 at $DIR/simplify_cfg.rs:11:2: 11:2 ++ bb3: { ++ _0 = (); // bb3[0]: scope 0 at $DIR/simplify_cfg.rs:8:13: 8:18 ++ StorageDead(_2); // bb3[1]: scope 0 at $DIR/simplify_cfg.rs:10:5: 10:6 ++ return; // bb3[2]: scope 0 at $DIR/simplify_cfg.rs:11:2: 11:2 + } + } + diff --git a/src/test/mir-opt/simplify_cfg/rustc.main.SimplifyCfg-initial.diff b/src/test/mir-opt/simplify_cfg/rustc.main.SimplifyCfg-initial.diff new file mode 100644 index 0000000000000..856ee3508cbea --- /dev/null +++ b/src/test/mir-opt/simplify_cfg/rustc.main.SimplifyCfg-initial.diff @@ -0,0 +1,96 @@ +- // MIR for `main` before SimplifyCfg-initial ++ // MIR for `main` after SimplifyCfg-initial + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/simplify_cfg.rs:5:11: 5:11 + let mut _1: (); // in scope 0 at $DIR/simplify_cfg.rs:5:1: 11:2 + let mut _2: bool; // in scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 + let mut _3: !; // in scope 0 at $DIR/simplify_cfg.rs:7:18: 9:10 + + bb0: { +- goto -> bb1; // bb0[0]: scope 0 at $DIR/simplify_cfg.rs:6:5: 10:6 ++ falseUnwind -> [real: bb1, cleanup: bb2]; // bb0[0]: scope 0 at $DIR/simplify_cfg.rs:6:5: 10:6 + } + + bb1: { +- falseUnwind -> [real: bb3, cleanup: bb4]; // bb1[0]: scope 0 at $DIR/simplify_cfg.rs:6:5: 10:6 +- } +- +- bb2: { +- goto -> bb13; // bb2[0]: scope 0 at $DIR/simplify_cfg.rs:11:2: 11:2 +- } +- +- bb3: { +- StorageLive(_2); // bb3[0]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 +- _2 = const bar() -> [return: bb5, unwind: bb4]; // bb3[1]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 ++ StorageLive(_2); // bb1[0]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 ++ _2 = const bar() -> [return: bb3, unwind: bb2]; // bb1[1]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 + // ty::Const + // + ty: fn() -> bool {bar} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/simplify_cfg.rs:7:12: 7:15 + // + literal: Const { ty: fn() -> bool {bar}, val: Value(Scalar()) } + } + +- bb4 (cleanup): { +- resume; // bb4[0]: scope 0 at $DIR/simplify_cfg.rs:5:1: 11:2 ++ bb2 (cleanup): { ++ resume; // bb2[0]: scope 0 at $DIR/simplify_cfg.rs:5:1: 11:2 + } + +- bb5: { +- FakeRead(ForMatchedPlace, _2); // bb5[0]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 +- switchInt(_2) -> [false: bb7, otherwise: bb6]; // bb5[1]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 ++ bb3: { ++ FakeRead(ForMatchedPlace, _2); // bb3[0]: scope 0 at $DIR/simplify_cfg.rs:7:12: 7:17 ++ switchInt(_2) -> [false: bb5, otherwise: bb4]; // bb3[1]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 + } + +- bb6: { +- falseEdges -> [real: bb8, imaginary: bb7]; // bb6[0]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 ++ bb4: { ++ falseEdges -> [real: bb6, imaginary: bb5]; // bb4[0]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 + } + +- bb7: { +- _1 = (); // bb7[0]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 +- goto -> bb12; // bb7[1]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 ++ bb5: { ++ _1 = (); // bb5[0]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 ++ StorageDead(_2); // bb5[1]: scope 0 at $DIR/simplify_cfg.rs:10:5: 10:6 ++ goto -> bb0; // bb5[2]: scope 0 at $DIR/simplify_cfg.rs:6:5: 10:6 + } + +- bb8: { +- _0 = (); // bb8[0]: scope 0 at $DIR/simplify_cfg.rs:8:13: 8:18 +- goto -> bb9; // bb8[1]: scope 0 at $DIR/simplify_cfg.rs:8:13: 8:18 +- } +- +- bb9: { +- StorageDead(_2); // bb9[0]: scope 0 at $DIR/simplify_cfg.rs:10:5: 10:6 +- goto -> bb2; // bb9[1]: scope 0 at $DIR/simplify_cfg.rs:8:13: 8:18 +- } +- +- bb10: { +- unreachable; // bb10[0]: scope 0 at $DIR/simplify_cfg.rs:7:18: 9:10 +- } +- +- bb11: { +- goto -> bb12; // bb11[0]: scope 0 at $DIR/simplify_cfg.rs:7:9: 9:10 +- } +- +- bb12: { +- StorageDead(_2); // bb12[0]: scope 0 at $DIR/simplify_cfg.rs:10:5: 10:6 +- goto -> bb1; // bb12[1]: scope 0 at $DIR/simplify_cfg.rs:6:5: 10:6 +- } +- +- bb13: { +- return; // bb13[0]: scope 0 at $DIR/simplify_cfg.rs:11:2: 11:2 ++ bb6: { ++ _0 = (); // bb6[0]: scope 0 at $DIR/simplify_cfg.rs:8:13: 8:18 ++ StorageDead(_2); // bb6[1]: scope 0 at $DIR/simplify_cfg.rs:10:5: 10:6 ++ return; // bb6[2]: scope 0 at $DIR/simplify_cfg.rs:11:2: 11:2 + } + } + diff --git a/src/test/mir-opt/simplify_if.rs b/src/test/mir-opt/simplify_if.rs index 471c1df3300f0..e2d3ebe69c4a4 100644 --- a/src/test/mir-opt/simplify_if.rs +++ b/src/test/mir-opt/simplify_if.rs @@ -1,19 +1,9 @@ +#[inline(never)] +fn noop() {} + +// EMIT_MIR rustc.main.SimplifyBranches-after-const-prop.diff fn main() { if false { - println!("hello world!"); + noop(); } } - -// END RUST SOURCE -// START rustc.main.SimplifyBranches-after-const-prop.before.mir -// bb0: { -// ... -// switchInt(const false) -> [false: bb1, otherwise: bb2]; -// } -// END rustc.main.SimplifyBranches-after-const-prop.before.mir -// START rustc.main.SimplifyBranches-after-const-prop.after.mir -// bb0: { -// ... -// goto -> bb1; -// } -// END rustc.main.SimplifyBranches-after-const-prop.after.mir diff --git a/src/test/mir-opt/simplify_if/rustc.main.SimplifyBranches-after-const-prop.diff b/src/test/mir-opt/simplify_if/rustc.main.SimplifyBranches-after-const-prop.diff new file mode 100644 index 0000000000000..9e53a0f18af35 --- /dev/null +++ b/src/test/mir-opt/simplify_if/rustc.main.SimplifyBranches-after-const-prop.diff @@ -0,0 +1,55 @@ +- // MIR for `main` before SimplifyBranches-after-const-prop ++ // MIR for `main` after SimplifyBranches-after-const-prop + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/simplify_if.rs:5:11: 5:11 + let mut _1: bool; // in scope 0 at $DIR/simplify_if.rs:6:8: 6:13 + let _2: (); // in scope 0 at $DIR/simplify_if.rs:7:9: 7:15 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/simplify_if.rs:6:8: 6:13 + _1 = const false; // bb0[1]: scope 0 at $DIR/simplify_if.rs:6:8: 6:13 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/simplify_if.rs:6:8: 6:13 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } +- switchInt(const false) -> [false: bb1, otherwise: bb2]; // bb0[2]: scope 0 at $DIR/simplify_if.rs:6:5: 8:6 +- // ty::Const +- // + ty: bool +- // + val: Value(Scalar(0x00)) +- // mir::Constant +- // + span: $DIR/simplify_if.rs:6:5: 8:6 +- // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } ++ goto -> bb1; // bb0[2]: scope 0 at $DIR/simplify_if.rs:6:5: 8:6 + } + + bb1: { + _0 = (); // bb1[0]: scope 0 at $DIR/simplify_if.rs:6:5: 8:6 + goto -> bb4; // bb1[1]: scope 0 at $DIR/simplify_if.rs:6:5: 8:6 + } + + bb2: { + StorageLive(_2); // bb2[0]: scope 0 at $DIR/simplify_if.rs:7:9: 7:15 + _2 = const noop() -> bb3; // bb2[1]: scope 0 at $DIR/simplify_if.rs:7:9: 7:15 + // ty::Const + // + ty: fn() {noop} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/simplify_if.rs:7:9: 7:13 + // + literal: Const { ty: fn() {noop}, val: Value(Scalar()) } + } + + bb3: { + StorageDead(_2); // bb3[0]: scope 0 at $DIR/simplify_if.rs:7:15: 7:16 + _0 = (); // bb3[1]: scope 0 at $DIR/simplify_if.rs:6:14: 8:6 + goto -> bb4; // bb3[2]: scope 0 at $DIR/simplify_if.rs:6:5: 8:6 + } + + bb4: { + StorageDead(_1); // bb4[0]: scope 0 at $DIR/simplify_if.rs:9:1: 9:2 + return; // bb4[1]: scope 0 at $DIR/simplify_if.rs:9:2: 9:2 + } + } + diff --git a/src/test/mir-opt/simplify_match.rs b/src/test/mir-opt/simplify_match.rs index 8624899a0abf2..233f9ff4c400b 100644 --- a/src/test/mir-opt/simplify_match.rs +++ b/src/test/mir-opt/simplify_match.rs @@ -1,22 +1,10 @@ +#[inline(never)] +fn noop() {} + +// EMIT_MIR rustc.main.SimplifyBranches-after-copy-prop.diff fn main() { match { let x = false; x } { - true => println!("hello world!"), + true => noop(), false => {}, } } - -// END RUST SOURCE -// START rustc.main.SimplifyBranches-after-copy-prop.before.mir -// bb0: { -// ... -// switchInt(const false) -> [false: bb1, otherwise: bb2]; -// } -// bb1: { -// END rustc.main.SimplifyBranches-after-copy-prop.before.mir -// START rustc.main.SimplifyBranches-after-copy-prop.after.mir -// bb0: { -// ... -// goto -> bb1; -// } -// bb1: { -// END rustc.main.SimplifyBranches-after-copy-prop.after.mir diff --git a/src/test/mir-opt/simplify_match/rustc.main.SimplifyBranches-after-copy-prop.diff b/src/test/mir-opt/simplify_match/rustc.main.SimplifyBranches-after-copy-prop.diff new file mode 100644 index 0000000000000..5429032b099c2 --- /dev/null +++ b/src/test/mir-opt/simplify_match/rustc.main.SimplifyBranches-after-copy-prop.diff @@ -0,0 +1,48 @@ +- // MIR for `main` before SimplifyBranches-after-copy-prop ++ // MIR for `main` after SimplifyBranches-after-copy-prop + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/simplify_match.rs:5:11: 5:11 + let mut _1: bool; // in scope 0 at $DIR/simplify_match.rs:6:11: 6:31 + let _2: bool; // in scope 0 at $DIR/simplify_match.rs:6:17: 6:18 + scope 1 { + debug x => _2; // in scope 1 at $DIR/simplify_match.rs:6:17: 6:18 + } + + bb0: { + nop; // bb0[0]: scope 0 at $DIR/simplify_match.rs:6:11: 6:31 + nop; // bb0[1]: scope 0 at $DIR/simplify_match.rs:6:17: 6:18 + nop; // bb0[2]: scope 0 at $DIR/simplify_match.rs:6:21: 6:26 + nop; // bb0[3]: scope 1 at $DIR/simplify_match.rs:6:28: 6:29 + nop; // bb0[4]: scope 0 at $DIR/simplify_match.rs:6:30: 6:31 +- switchInt(const false) -> [false: bb1, otherwise: bb2]; // bb0[5]: scope 0 at $DIR/simplify_match.rs:7:9: 7:13 +- // ty::Const +- // + ty: bool +- // + val: Value(Scalar(0x00)) +- // mir::Constant +- // + span: $DIR/simplify_match.rs:6:21: 6:26 +- // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } ++ goto -> bb1; // bb0[5]: scope 0 at $DIR/simplify_match.rs:7:9: 7:13 + } + + bb1: { + nop; // bb1[0]: scope 0 at $DIR/simplify_match.rs:8:18: 8:20 + goto -> bb3; // bb1[1]: scope 0 at $DIR/simplify_match.rs:6:5: 9:6 + } + + bb2: { + _0 = const noop() -> bb3; // bb2[0]: scope 0 at $DIR/simplify_match.rs:7:17: 7:23 + // ty::Const + // + ty: fn() {noop} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/simplify_match.rs:7:17: 7:21 + // + literal: Const { ty: fn() {noop}, val: Value(Scalar()) } + } + + bb3: { + nop; // bb3[0]: scope 0 at $DIR/simplify_match.rs:10:1: 10:2 + return; // bb3[1]: scope 0 at $DIR/simplify_match.rs:10:2: 10:2 + } + } + diff --git a/src/test/mir-opt/simplify_try.rs b/src/test/mir-opt/simplify_try.rs index 78a7f722538ed..88a0451a76f67 100644 --- a/src/test/mir-opt/simplify_try.rs +++ b/src/test/mir-opt/simplify_try.rs @@ -1,3 +1,7 @@ +// EMIT_MIR rustc.try_identity.SimplifyArmIdentity.diff +// EMIT_MIR rustc.try_identity.SimplifyBranchSame.after.mir +// EMIT_MIR rustc.try_identity.SimplifyLocals.after.mir + fn try_identity(x: Result) -> Result { let y = x?; Ok(y) @@ -6,210 +10,3 @@ fn try_identity(x: Result) -> Result { fn main() { let _ = try_identity(Ok(0)); } - -// END RUST SOURCE -// START rustc.try_identity.SimplifyArmIdentity.before.mir -// fn try_identity(_1: std::result::Result) -> std::result::Result { -// debug x => _1; -// let mut _0: std::result::Result; -// let _2: u32; -// let mut _3: std::result::Result; -// let mut _4: std::result::Result; -// let mut _5: isize; -// let _6: i32; -// let mut _7: !; -// let mut _8: i32; -// let mut _9: i32; -// let _10: u32; -// let mut _11: u32; -// scope 1 { -// debug y => _10; -// } -// scope 2 { -// debug err => _6; -// scope 3 { -// scope 7 { -// debug t => _6; -// } -// scope 8 { -// debug v => _6; -// let mut _12: i32; -// } -// } -// } -// scope 4 { -// debug val => _10; -// scope 5 { -// } -// } -// scope 6 { -// debug self => _1; -// } -// bb0: { -// _5 = discriminant(_1); -// switchInt(move _5) -> [0isize: bb1, otherwise: bb2]; -// } -// bb1: { -// _10 = ((_1 as Ok).0: u32); -// ((_0 as Ok).0: u32) = move _10; -// discriminant(_0) = 0; -// goto -> bb3; -// } -// bb2: { -// _6 = ((_1 as Err).0: i32); -// ((_0 as Err).0: i32) = move _6; -// discriminant(_0) = 1; -// goto -> bb3; -// } -// bb3: { -// return; -// } -// } -// END rustc.try_identity.SimplifyArmIdentity.before.mir - -// START rustc.try_identity.SimplifyArmIdentity.after.mir -// fn try_identity(_1: std::result::Result) -> std::result::Result { -// debug x => _1; -// let mut _0: std::result::Result; -// let _2: u32; -// let mut _3: std::result::Result; -// let mut _4: std::result::Result; -// let mut _5: isize; -// let _6: i32; -// let mut _7: !; -// let mut _8: i32; -// let mut _9: i32; -// let _10: u32; -// let mut _11: u32; -// scope 1 { -// debug y => _10; -// } -// scope 2 { -// debug err => _6; -// scope 3 { -// scope 7 { -// debug t => _6; -// } -// scope 8 { -// debug v => _6; -// let mut _12: i32; -// } -// } -// } -// scope 4 { -// debug val => _10; -// scope 5 { -// } -// } -// scope 6 { -// debug self => _1; -// } -// bb0: { -// _5 = discriminant(_1); -// switchInt(move _5) -> [0isize: bb1, otherwise: bb2]; -// } -// bb1: { -// _0 = move _1; -// nop; -// nop; -// goto -> bb3; -// } -// bb2: { -// _0 = move _1; -// nop; -// nop; -// goto -> bb3; -// } -// bb3: { -// return; -// } -// } -// END rustc.try_identity.SimplifyArmIdentity.after.mir - -// START rustc.try_identity.SimplifyBranchSame.after.mir -// fn try_identity(_1: std::result::Result) -> std::result::Result { -// debug x => _1; -// let mut _0: std::result::Result; -// let _2: u32; -// let mut _3: std::result::Result; -// let mut _4: std::result::Result; -// let mut _5: isize; -// let _6: i32; -// let mut _7: !; -// let mut _8: i32; -// let mut _9: i32; -// let _10: u32; -// let mut _11: u32; -// scope 1 { -// debug y => _10; -// } -// scope 2 { -// debug err => _6; -// scope 3 { -// scope 7 { -// debug t => _6; -// } -// scope 8 { -// debug v => _6; -// let mut _12: i32; -// } -// } -// } -// scope 4 { -// debug val => _10; -// scope 5 { -// } -// } -// scope 6 { -// debug self => _1; -// } -// bb0: { -// _5 = discriminant(_1); -// goto -> bb1; -// } -// bb1: { -// _0 = move _1; -// nop; -// nop; -// goto -> bb2; -// } -// bb2: { -// return; -// } -// } -// END rustc.try_identity.SimplifyBranchSame.after.mir - -// START rustc.try_identity.SimplifyLocals.after.mir -// fn try_identity(_1: std::result::Result) -> std::result::Result { -// debug x => _1; -// let mut _0: std::result::Result; -// let _2: i32; -// let _3: u32; -// scope 1 { -// debug y => _3; -// } -// scope 2 { -// debug err => _2; -// scope 3 { -// scope 7 { -// debug t => _2; -// } -// scope 8 { -// debug v => _2; -// } -// } -// } -// scope 4 { -// debug val => _3; -// scope 5 { -// } -// } -// scope 6 { -// debug self => _1; -// } -// bb0: { -// _0 = move _1; -// return; -// } -// } -// END rustc.try_identity.SimplifyLocals.after.mir diff --git a/src/test/mir-opt/simplify_try/rustc.try_identity.SimplifyArmIdentity.diff b/src/test/mir-opt/simplify_try/rustc.try_identity.SimplifyArmIdentity.diff new file mode 100644 index 0000000000000..a4cc6b817eac8 --- /dev/null +++ b/src/test/mir-opt/simplify_try/rustc.try_identity.SimplifyArmIdentity.diff @@ -0,0 +1,70 @@ +- // MIR for `try_identity` before SimplifyArmIdentity ++ // MIR for `try_identity` after SimplifyArmIdentity + + fn try_identity(_1: std::result::Result) -> std::result::Result { + debug x => _1; // in scope 0 at $DIR/simplify_try.rs:5:17: 5:18 + let mut _0: std::result::Result; // return place in scope 0 at $DIR/simplify_try.rs:5:41: 5:57 + let _2: u32; // in scope 0 at $DIR/simplify_try.rs:6:9: 6:10 + let mut _3: std::result::Result; // in scope 0 at $DIR/simplify_try.rs:6:13: 6:15 + let mut _4: std::result::Result; // in scope 0 at $DIR/simplify_try.rs:6:13: 6:14 + let mut _5: isize; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let _6: i32; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let mut _7: !; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let mut _8: i32; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let mut _9: i32; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let _10: u32; // in scope 0 at $DIR/simplify_try.rs:6:13: 6:15 + let mut _11: u32; // in scope 0 at $DIR/simplify_try.rs:7:8: 7:9 + scope 1 { + debug y => _10; // in scope 1 at $DIR/simplify_try.rs:6:9: 6:10 + } + scope 2 { + debug err => _6; // in scope 2 at $DIR/simplify_try.rs:6:14: 6:15 + scope 3 { + scope 7 { + debug t => _6; // in scope 7 at $SRC_DIR/libcore/convert/mod.rs:LL:COL + } + scope 8 { + debug v => _6; // in scope 8 at $SRC_DIR/libcore/result.rs:LL:COL + let mut _12: i32; // in scope 8 at $DIR/simplify_try.rs:6:14: 6:15 + } + } + } + scope 4 { + debug val => _10; // in scope 4 at $DIR/simplify_try.rs:6:13: 6:15 + scope 5 { + } + } + scope 6 { + debug self => _1; // in scope 6 at $SRC_DIR/libcore/result.rs:LL:COL + } + + bb0: { + _5 = discriminant(_1); // bb0[0]: scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + switchInt(move _5) -> [0isize: bb1, otherwise: bb2]; // bb0[1]: scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + } + + bb1: { +- _10 = ((_1 as Ok).0: u32); // bb1[0]: scope 0 at $DIR/simplify_try.rs:6:13: 6:15 +- ((_0 as Ok).0: u32) = move _10; // bb1[1]: scope 1 at $DIR/simplify_try.rs:7:5: 7:10 +- discriminant(_0) = 0; // bb1[2]: scope 1 at $DIR/simplify_try.rs:7:5: 7:10 ++ _0 = move _1; // bb1[0]: scope 1 at $DIR/simplify_try.rs:7:5: 7:10 ++ nop; // bb1[1]: scope 1 at $DIR/simplify_try.rs:7:5: 7:10 ++ nop; // bb1[2]: scope 1 at $DIR/simplify_try.rs:7:5: 7:10 + goto -> bb3; // bb1[3]: scope 0 at $DIR/simplify_try.rs:8:2: 8:2 + } + + bb2: { +- _6 = ((_1 as Err).0: i32); // bb2[0]: scope 0 at $DIR/simplify_try.rs:6:14: 6:15 +- ((_0 as Err).0: i32) = move _6; // bb2[1]: scope 8 at $SRC_DIR/libcore/result.rs:LL:COL +- discriminant(_0) = 1; // bb2[2]: scope 8 at $SRC_DIR/libcore/result.rs:LL:COL ++ _0 = move _1; // bb2[0]: scope 8 at $SRC_DIR/libcore/result.rs:LL:COL ++ nop; // bb2[1]: scope 8 at $SRC_DIR/libcore/result.rs:LL:COL ++ nop; // bb2[2]: scope 8 at $SRC_DIR/libcore/result.rs:LL:COL + goto -> bb3; // bb2[3]: scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + } + + bb3: { + return; // bb3[0]: scope 0 at $DIR/simplify_try.rs:8:2: 8:2 + } + } + diff --git a/src/test/mir-opt/simplify_try/rustc.try_identity.SimplifyBranchSame.after.mir b/src/test/mir-opt/simplify_try/rustc.try_identity.SimplifyBranchSame.after.mir new file mode 100644 index 0000000000000..a18fb641f94b3 --- /dev/null +++ b/src/test/mir-opt/simplify_try/rustc.try_identity.SimplifyBranchSame.after.mir @@ -0,0 +1,55 @@ +// MIR for `try_identity` after SimplifyBranchSame + +fn try_identity(_1: std::result::Result) -> std::result::Result { + debug x => _1; // in scope 0 at $DIR/simplify_try.rs:5:17: 5:18 + let mut _0: std::result::Result; // return place in scope 0 at $DIR/simplify_try.rs:5:41: 5:57 + let _2: u32; // in scope 0 at $DIR/simplify_try.rs:6:9: 6:10 + let mut _3: std::result::Result; // in scope 0 at $DIR/simplify_try.rs:6:13: 6:15 + let mut _4: std::result::Result; // in scope 0 at $DIR/simplify_try.rs:6:13: 6:14 + let mut _5: isize; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let _6: i32; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let mut _7: !; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let mut _8: i32; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let mut _9: i32; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let _10: u32; // in scope 0 at $DIR/simplify_try.rs:6:13: 6:15 + let mut _11: u32; // in scope 0 at $DIR/simplify_try.rs:7:8: 7:9 + scope 1 { + debug y => _10; // in scope 1 at $DIR/simplify_try.rs:6:9: 6:10 + } + scope 2 { + debug err => _6; // in scope 2 at $DIR/simplify_try.rs:6:14: 6:15 + scope 3 { + scope 7 { + debug t => _6; // in scope 7 at $SRC_DIR/libcore/convert/mod.rs:LL:COL + } + scope 8 { + debug v => _6; // in scope 8 at $SRC_DIR/libcore/result.rs:LL:COL + let mut _12: i32; // in scope 8 at $DIR/simplify_try.rs:6:14: 6:15 + } + } + } + scope 4 { + debug val => _10; // in scope 4 at $DIR/simplify_try.rs:6:13: 6:15 + scope 5 { + } + } + scope 6 { + debug self => _1; // in scope 6 at $SRC_DIR/libcore/result.rs:LL:COL + } + + bb0: { + _5 = discriminant(_1); // bb0[0]: scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + goto -> bb1; // bb0[1]: scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + } + + bb1: { + _0 = move _1; // bb1[0]: scope 1 at $DIR/simplify_try.rs:7:5: 7:10 + nop; // bb1[1]: scope 1 at $DIR/simplify_try.rs:7:5: 7:10 + nop; // bb1[2]: scope 1 at $DIR/simplify_try.rs:7:5: 7:10 + goto -> bb2; // bb1[3]: scope 0 at $DIR/simplify_try.rs:8:2: 8:2 + } + + bb2: { + return; // bb2[0]: scope 0 at $DIR/simplify_try.rs:8:2: 8:2 + } +} diff --git a/src/test/mir-opt/simplify_try/rustc.try_identity.SimplifyLocals.after.mir b/src/test/mir-opt/simplify_try/rustc.try_identity.SimplifyLocals.after.mir new file mode 100644 index 0000000000000..b7ed760f6d656 --- /dev/null +++ b/src/test/mir-opt/simplify_try/rustc.try_identity.SimplifyLocals.after.mir @@ -0,0 +1,35 @@ +// MIR for `try_identity` after SimplifyLocals + +fn try_identity(_1: std::result::Result) -> std::result::Result { + debug x => _1; // in scope 0 at $DIR/simplify_try.rs:5:17: 5:18 + let mut _0: std::result::Result; // return place in scope 0 at $DIR/simplify_try.rs:5:41: 5:57 + let _2: i32; // in scope 0 at $DIR/simplify_try.rs:6:14: 6:15 + let _3: u32; // in scope 0 at $DIR/simplify_try.rs:6:13: 6:15 + scope 1 { + debug y => _3; // in scope 1 at $DIR/simplify_try.rs:6:9: 6:10 + } + scope 2 { + debug err => _2; // in scope 2 at $DIR/simplify_try.rs:6:14: 6:15 + scope 3 { + scope 7 { + debug t => _2; // in scope 7 at $SRC_DIR/libcore/convert/mod.rs:LL:COL + } + scope 8 { + debug v => _2; // in scope 8 at $SRC_DIR/libcore/result.rs:LL:COL + } + } + } + scope 4 { + debug val => _3; // in scope 4 at $DIR/simplify_try.rs:6:13: 6:15 + scope 5 { + } + } + scope 6 { + debug self => _1; // in scope 6 at $SRC_DIR/libcore/result.rs:LL:COL + } + + bb0: { + _0 = move _1; // bb0[0]: scope 1 at $DIR/simplify_try.rs:7:5: 7:10 + return; // bb0[1]: scope 0 at $DIR/simplify_try.rs:8:2: 8:2 + } +} diff --git a/src/test/mir-opt/slice-drop-shim.rs b/src/test/mir-opt/slice-drop-shim.rs index a25375594d3e1..5d8d37e0bc50f 100644 --- a/src/test/mir-opt/slice-drop-shim.rs +++ b/src/test/mir-opt/slice-drop-shim.rs @@ -1,90 +1,7 @@ // compile-flags: -Zmir-opt-level=0 +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR rustc.ptr-drop_in_place.[std__string__String].AddMovesForPackedDrops.before.mir fn main() { let _fn = std::ptr::drop_in_place::<[String]> as unsafe fn(_); } - -// END RUST SOURCE - -// START rustc.ptr-drop_in_place.[std__string__String].AddMovesForPackedDrops.before.mir -// let mut _2: usize; -// let mut _3: usize; -// let mut _4: usize; -// let mut _5: *mut std::string::String; -// let mut _6: bool; -// let mut _7: *mut std::string::String; -// let mut _8: bool; -// let mut _9: *mut std::string::String; -// let mut _10: *mut std::string::String; -// let mut _11: *mut std::string::String; -// let mut _12: bool; -// let mut _13: *mut std::string::String; -// let mut _14: bool; -// let mut _15: *mut [std::string::String]; -// bb0: { -// goto -> bb15; -// } -// bb1: { -// return; -// } -// bb2 (cleanup): { -// resume; -// } -// bb3 (cleanup): { -// _5 = &raw mut (*_1)[_4]; -// _4 = Add(move _4, const 1usize); -// drop((*_5)) -> bb4; -// } -// bb4 (cleanup): { -// _6 = Eq(_4, _3); -// switchInt(move _6) -> [false: bb3, otherwise: bb2]; -// } -// bb5: { -// _7 = &raw mut (*_1)[_4]; -// _4 = Add(move _4, const 1usize); -// drop((*_7)) -> [return: bb6, unwind: bb4]; -// } -// bb6: { -// _8 = Eq(_4, _3); -// switchInt(move _8) -> [false: bb5, otherwise: bb1]; -// } -// bb7: { -// _4 = const 0usize; -// goto -> bb6; -// } -// bb8: { -// goto -> bb7; -// } -// bb9 (cleanup): { -// _11 = _9; -// _9 = Offset(move _9, const 1usize); -// drop((*_11)) -> bb10; -// } -// bb10 (cleanup): { -// _12 = Eq(_9, _10); -// switchInt(move _12) -> [false: bb9, otherwise: bb2]; -// } -// bb11: { -// _13 = _9; -// _9 = Offset(move _9, const 1usize); -// drop((*_13)) -> [return: bb12, unwind: bb10]; -// } -// bb12: { -// _14 = Eq(_9, _10); -// switchInt(move _14) -> [false: bb11, otherwise: bb1]; -// } -// bb13: { -// _15 = &raw mut (*_1); -// _9 = move _15 as *mut std::string::String (Misc); -// _10 = Offset(_9, move _3); -// goto -> bb12; -// } -// bb14: { -// goto -> bb13; -// } -// bb15: { -// _2 = SizeOf(std::string::String); -// _3 = Len((*_1)); -// switchInt(move _2) -> [0usize: bb8, otherwise: bb14]; -// } -// END rustc.ptr-drop_in_place.[std__string__String].AddMovesForPackedDrops.before.mir diff --git a/src/test/mir-opt/slice-drop-shim/32bit/rustc.ptr-drop_in_place.[std__string__String].AddMovesForPackedDrops.before.mir b/src/test/mir-opt/slice-drop-shim/32bit/rustc.ptr-drop_in_place.[std__string__String].AddMovesForPackedDrops.before.mir new file mode 100644 index 0000000000000..e397adcc2ccef --- /dev/null +++ b/src/test/mir-opt/slice-drop-shim/32bit/rustc.ptr-drop_in_place.[std__string__String].AddMovesForPackedDrops.before.mir @@ -0,0 +1,131 @@ +// MIR for `std::intrinsics::drop_in_place` before AddMovesForPackedDrops + +fn std::intrinsics::drop_in_place(_1: *mut [std::string::String]) -> () { + let mut _0: (); // return place in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _2: usize; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _3: usize; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _4: usize; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _5: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _6: bool; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _7: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _8: bool; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _9: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _10: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _11: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _12: bool; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _13: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _14: bool; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _15: *mut [std::string::String]; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + + bb0: { + goto -> bb15; // bb0[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb1: { + return; // bb1[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb2 (cleanup): { + resume; // bb2[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb3 (cleanup): { + _5 = &raw mut (*_1)[_4]; // bb3[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _4 = Add(move _4, const 1usize); // bb3[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } + drop((*_5)) -> bb4; // bb3[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb4 (cleanup): { + _6 = Eq(_4, _3); // bb4[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _6) -> [false: bb3, otherwise: bb2]; // bb4[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb5: { + _7 = &raw mut (*_1)[_4]; // bb5[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _4 = Add(move _4, const 1usize); // bb5[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } + drop((*_7)) -> [return: bb6, unwind: bb4]; // bb5[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb6: { + _8 = Eq(_4, _3); // bb6[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _8) -> [false: bb5, otherwise: bb1]; // bb6[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb7: { + _4 = const 0usize; // bb7[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x00000000)) } + goto -> bb6; // bb7[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb8: { + goto -> bb7; // bb8[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb9 (cleanup): { + _11 = _9; // bb9[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _9 = Offset(move _9, const 1usize); // bb9[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } + drop((*_11)) -> bb10; // bb9[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb10 (cleanup): { + _12 = Eq(_9, _10); // bb10[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _12) -> [false: bb9, otherwise: bb2]; // bb10[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb11: { + _13 = _9; // bb11[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _9 = Offset(move _9, const 1usize); // bb11[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x00000001)) } + drop((*_13)) -> [return: bb12, unwind: bb10]; // bb11[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb12: { + _14 = Eq(_9, _10); // bb12[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _14) -> [false: bb11, otherwise: bb1]; // bb12[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb13: { + _15 = &raw mut (*_1); // bb13[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _9 = move _15 as *mut std::string::String (Misc); // bb13[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _10 = Offset(_9, move _3); // bb13[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + goto -> bb12; // bb13[3]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb14: { + goto -> bb13; // bb14[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb15: { + _2 = SizeOf(std::string::String); // bb15[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _3 = Len((*_1)); // bb15[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _2) -> [0usize: bb8, otherwise: bb14]; // bb15[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } +} diff --git a/src/test/mir-opt/slice-drop-shim/64bit/rustc.ptr-drop_in_place.[std__string__String].AddMovesForPackedDrops.before.mir b/src/test/mir-opt/slice-drop-shim/64bit/rustc.ptr-drop_in_place.[std__string__String].AddMovesForPackedDrops.before.mir new file mode 100644 index 0000000000000..fd2bfe46c5aba --- /dev/null +++ b/src/test/mir-opt/slice-drop-shim/64bit/rustc.ptr-drop_in_place.[std__string__String].AddMovesForPackedDrops.before.mir @@ -0,0 +1,131 @@ +// MIR for `std::intrinsics::drop_in_place` before AddMovesForPackedDrops + +fn std::intrinsics::drop_in_place(_1: *mut [std::string::String]) -> () { + let mut _0: (); // return place in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _2: usize; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _3: usize; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _4: usize; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _5: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _6: bool; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _7: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _8: bool; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _9: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _10: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _11: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _12: bool; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _13: *mut std::string::String; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _14: bool; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _15: *mut [std::string::String]; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + + bb0: { + goto -> bb15; // bb0[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb1: { + return; // bb1[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb2 (cleanup): { + resume; // bb2[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb3 (cleanup): { + _5 = &raw mut (*_1)[_4]; // bb3[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _4 = Add(move _4, const 1usize); // bb3[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } + drop((*_5)) -> bb4; // bb3[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb4 (cleanup): { + _6 = Eq(_4, _3); // bb4[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _6) -> [false: bb3, otherwise: bb2]; // bb4[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb5: { + _7 = &raw mut (*_1)[_4]; // bb5[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _4 = Add(move _4, const 1usize); // bb5[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } + drop((*_7)) -> [return: bb6, unwind: bb4]; // bb5[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb6: { + _8 = Eq(_4, _3); // bb6[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _8) -> [false: bb5, otherwise: bb1]; // bb6[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb7: { + _4 = const 0usize; // bb7[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000000)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000000)) } + goto -> bb6; // bb7[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb8: { + goto -> bb7; // bb8[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb9 (cleanup): { + _11 = _9; // bb9[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _9 = Offset(move _9, const 1usize); // bb9[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } + drop((*_11)) -> bb10; // bb9[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb10 (cleanup): { + _12 = Eq(_9, _10); // bb10[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _12) -> [false: bb9, otherwise: bb2]; // bb10[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb11: { + _13 = _9; // bb11[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _9 = Offset(move _9, const 1usize); // bb11[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: usize + // + val: Value(Scalar(0x0000000000000001)) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000001)) } + drop((*_13)) -> [return: bb12, unwind: bb10]; // bb11[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb12: { + _14 = Eq(_9, _10); // bb12[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _14) -> [false: bb11, otherwise: bb1]; // bb12[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb13: { + _15 = &raw mut (*_1); // bb13[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _9 = move _15 as *mut std::string::String (Misc); // bb13[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _10 = Offset(_9, move _3); // bb13[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + goto -> bb12; // bb13[3]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb14: { + goto -> bb13; // bb14[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb15: { + _2 = SizeOf(std::string::String); // bb15[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _3 = Len((*_1)); // bb15[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + switchInt(move _2) -> [0usize: bb8, otherwise: bb14]; // bb15[2]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } +} diff --git a/src/test/mir-opt/storage_live_dead_in_statics.rs b/src/test/mir-opt/storage_live_dead_in_statics.rs index 1c98766b9685c..a269914f2620d 100644 --- a/src/test/mir-opt/storage_live_dead_in_statics.rs +++ b/src/test/mir-opt/storage_live_dead_in_statics.rs @@ -1,8 +1,7 @@ // Check that when we compile the static `XXX` into MIR, we do not // generate `StorageStart` or `StorageEnd` statements. -// ignore-tidy-linelength - +// EMIT_MIR rustc.XXX.mir_map.0.mir static XXX: &'static Foo = &Foo { tup: "hi", data: &[ @@ -32,159 +31,3 @@ struct Foo { fn main() { println!("{:?}", XXX); } - -// END RUST SOURCE -// START rustc.XXX.mir_map.0.mir -// let mut _0: &Foo; -// let _1: &Foo; -// let _2: Foo; -// let mut _3: &[(u32, u32)]; -// let mut _4: &[(u32, u32); 42]; -// let _5: &[(u32, u32); 42]; -// let _6: [(u32, u32); 42]; -// let mut _7: (u32, u32); -// let mut _8: (u32, u32); -// let mut _9: (u32, u32); -// let mut _10: (u32, u32); -// let mut _11: (u32, u32); -// let mut _12: (u32, u32); -// let mut _13: (u32, u32); -// let mut _14: (u32, u32); -// let mut _15: (u32, u32); -// let mut _16: (u32, u32); -// let mut _17: (u32, u32); -// let mut _18: (u32, u32); -// let mut _19: (u32, u32); -// let mut _20: (u32, u32); -// let mut _21: (u32, u32); -// let mut _22: (u32, u32); -// let mut _23: (u32, u32); -// let mut _24: (u32, u32); -// let mut _25: (u32, u32); -// let mut _26: (u32, u32); -// let mut _27: (u32, u32); -// let mut _28: (u32, u32); -// let mut _29: (u32, u32); -// let mut _30: (u32, u32); -// let mut _31: (u32, u32); -// let mut _32: (u32, u32); -// let mut _33: (u32, u32); -// let mut _34: (u32, u32); -// let mut _35: (u32, u32); -// let mut _36: (u32, u32); -// let mut _37: (u32, u32); -// let mut _38: (u32, u32); -// let mut _39: (u32, u32); -// let mut _40: (u32, u32); -// let mut _41: (u32, u32); -// let mut _42: (u32, u32); -// let mut _43: (u32, u32); -// let mut _44: (u32, u32); -// let mut _45: (u32, u32); -// let mut _46: (u32, u32); -// let mut _47: (u32, u32); -// let mut _48: (u32, u32); -// bb0: { -// StorageLive(_1); -// StorageLive(_2); -// StorageLive(_3); -// StorageLive(_4); -// StorageLive(_5); -// StorageLive(_6); -// StorageLive(_7); -// _7 = (const 0u32, const 1u32); -// StorageLive(_8); -// _8 = (const 0u32, const 2u32); -// StorageLive(_9); -// _9 = (const 0u32, const 3u32); -// StorageLive(_10); -// _10 = (const 0u32, const 1u32); -// StorageLive(_11); -// _11 = (const 0u32, const 2u32); -// StorageLive(_12); -// _12 = (const 0u32, const 3u32); -// StorageLive(_13); -// _13 = (const 0u32, const 1u32); -// StorageLive(_14); -// _14 = (const 0u32, const 2u32); -// StorageLive(_15); -// _15 = (const 0u32, const 3u32); -// StorageLive(_16); -// _16 = (const 0u32, const 1u32); -// StorageLive(_17); -// _17 = (const 0u32, const 2u32); -// StorageLive(_18); -// _18 = (const 0u32, const 3u32); -// StorageLive(_19); -// _19 = (const 0u32, const 1u32); -// StorageLive(_20); -// _20 = (const 0u32, const 2u32); -// StorageLive(_21); -// _21 = (const 0u32, const 3u32); -// StorageLive(_22); -// _22 = (const 0u32, const 1u32); -// StorageLive(_23); -// _23 = (const 0u32, const 2u32); -// StorageLive(_24); -// _24 = (const 0u32, const 3u32); -// StorageLive(_25); -// _25 = (const 0u32, const 1u32); -// StorageLive(_26); -// _26 = (const 0u32, const 2u32); -// StorageLive(_27); -// _27 = (const 0u32, const 3u32); -// StorageLive(_28); -// _28 = (const 0u32, const 1u32); -// StorageLive(_29); -// _29 = (const 0u32, const 2u32); -// StorageLive(_30); -// _30 = (const 0u32, const 3u32); -// StorageLive(_31); -// _31 = (const 0u32, const 1u32); -// StorageLive(_32); -// _32 = (const 0u32, const 2u32); -// StorageLive(_33); -// _33 = (const 0u32, const 3u32); -// StorageLive(_34); -// _34 = (const 0u32, const 1u32); -// StorageLive(_35); -// _35 = (const 0u32, const 2u32); -// StorageLive(_36); -// _36 = (const 0u32, const 3u32); -// StorageLive(_37); -// _37 = (const 0u32, const 1u32); -// StorageLive(_38); -// _38 = (const 0u32, const 2u32); -// StorageLive(_39); -// _39 = (const 0u32, const 3u32); -// StorageLive(_40); -// _40 = (const 0u32, const 1u32); -// StorageLive(_41); -// _41 = (const 0u32, const 2u32); -// StorageLive(_42); -// _42 = (const 0u32, const 3u32); -// StorageLive(_43); -// _43 = (const 0u32, const 1u32); -// StorageLive(_44); -// _44 = (const 0u32, const 2u32); -// StorageLive(_45); -// _45 = (const 0u32, const 3u32); -// StorageLive(_46); -// _46 = (const 0u32, const 1u32); -// StorageLive(_47); -// _47 = (const 0u32, const 2u32); -// StorageLive(_48); -// _48 = (const 0u32, const 3u32); -// _6 = [move _7, move _8, move _9, move _10, move _11, move _12, move _13, move _14, move _15, move _16, move _17, move _18, move _19, move _20, move _21, move _22, move _23, move _24, move _25, move _26, move _27, move _28, move _29, move _30, move _31, move _32, move _33, move _34, move _35, move _36, move _37, move _38, move _39, move _40, move _41, move _42, move _43, move _44, move _45, move _46, move _47, move _48]; -// _5 = &_6; -// _4 = &(*_5); -// _3 = move _4 as &[(u32, u32)] (Pointer(Unsize)); -// _2 = Foo { tup: const "hi", data: move _3 }; -// _1 = &_2; -// _0 = &(*_1); -// StorageDead(_5); -// StorageDead(_1); -// return; -// } -//} -// END rustc.XXX.mir_map.0.mir diff --git a/src/test/mir-opt/storage_live_dead_in_statics/rustc.XXX.mir_map.0.mir b/src/test/mir-opt/storage_live_dead_in_statics/rustc.XXX.mir_map.0.mir new file mode 100644 index 0000000000000..5ea1e431d192b --- /dev/null +++ b/src/test/mir-opt/storage_live_dead_in_statics/rustc.XXX.mir_map.0.mir @@ -0,0 +1,670 @@ +// MIR for `XXX` 0 mir_map + +static XXX: &Foo = { + let mut _0: &Foo; // return place in scope 0 at $DIR/storage_live_dead_in_statics.rs:5:13: 5:25 + let _1: &Foo; // in scope 0 at $DIR/storage_live_dead_in_statics.rs:5:28: 23:2 + let _2: Foo; // in scope 0 at $DIR/storage_live_dead_in_statics.rs:5:29: 23:2 + let mut _3: &[(u32, u32)]; // in scope 0 at $DIR/storage_live_dead_in_statics.rs:7:11: 22:6 + let mut _4: &[(u32, u32); 42]; // in scope 0 at $DIR/storage_live_dead_in_statics.rs:7:11: 22:6 + let _5: &[(u32, u32); 42]; // in scope 0 at $DIR/storage_live_dead_in_statics.rs:7:11: 22:6 + let _6: [(u32, u32); 42]; // in scope 0 at $DIR/storage_live_dead_in_statics.rs:7:12: 22:6 + let mut _7: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:8:9: 8:15 + let mut _8: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:8:17: 8:23 + let mut _9: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:8:25: 8:31 + let mut _10: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:9:9: 9:15 + let mut _11: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:9:17: 9:23 + let mut _12: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:9:25: 9:31 + let mut _13: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:10:9: 10:15 + let mut _14: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:10:17: 10:23 + let mut _15: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:10:25: 10:31 + let mut _16: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:11:9: 11:15 + let mut _17: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:11:17: 11:23 + let mut _18: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:11:25: 11:31 + let mut _19: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:12:9: 12:15 + let mut _20: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:12:17: 12:23 + let mut _21: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:12:25: 12:31 + let mut _22: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:13:9: 13:15 + let mut _23: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:13:17: 13:23 + let mut _24: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:13:25: 13:31 + let mut _25: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:14:9: 14:15 + let mut _26: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:14:17: 14:23 + let mut _27: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:14:25: 14:31 + let mut _28: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:15:9: 15:15 + let mut _29: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:15:17: 15:23 + let mut _30: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:15:25: 15:31 + let mut _31: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:16:9: 16:15 + let mut _32: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:16:17: 16:23 + let mut _33: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:16:25: 16:31 + let mut _34: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:17:9: 17:15 + let mut _35: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:17:17: 17:23 + let mut _36: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:17:25: 17:31 + let mut _37: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:18:9: 18:15 + let mut _38: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:18:17: 18:23 + let mut _39: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:18:25: 18:31 + let mut _40: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:19:9: 19:15 + let mut _41: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:19:17: 19:23 + let mut _42: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:19:25: 19:31 + let mut _43: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:20:9: 20:15 + let mut _44: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:20:17: 20:23 + let mut _45: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:20:25: 20:31 + let mut _46: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:21:9: 21:15 + let mut _47: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:21:17: 21:23 + let mut _48: (u32, u32); // in scope 0 at $DIR/storage_live_dead_in_statics.rs:21:25: 21:31 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/storage_live_dead_in_statics.rs:5:28: 23:2 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/storage_live_dead_in_statics.rs:5:29: 23:2 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/storage_live_dead_in_statics.rs:7:11: 22:6 + StorageLive(_4); // bb0[3]: scope 0 at $DIR/storage_live_dead_in_statics.rs:7:11: 22:6 + StorageLive(_5); // bb0[4]: scope 0 at $DIR/storage_live_dead_in_statics.rs:7:11: 22:6 + StorageLive(_6); // bb0[5]: scope 0 at $DIR/storage_live_dead_in_statics.rs:7:12: 22:6 + StorageLive(_7); // bb0[6]: scope 0 at $DIR/storage_live_dead_in_statics.rs:8:9: 8:15 + _7 = (const 0u32, const 1u32); // bb0[7]: scope 0 at $DIR/storage_live_dead_in_statics.rs:8:9: 8:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:8:10: 8:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:8:13: 8:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_8); // bb0[8]: scope 0 at $DIR/storage_live_dead_in_statics.rs:8:17: 8:23 + _8 = (const 0u32, const 2u32); // bb0[9]: scope 0 at $DIR/storage_live_dead_in_statics.rs:8:17: 8:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:8:18: 8:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:8:21: 8:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_9); // bb0[10]: scope 0 at $DIR/storage_live_dead_in_statics.rs:8:25: 8:31 + _9 = (const 0u32, const 3u32); // bb0[11]: scope 0 at $DIR/storage_live_dead_in_statics.rs:8:25: 8:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:8:26: 8:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:8:29: 8:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_10); // bb0[12]: scope 0 at $DIR/storage_live_dead_in_statics.rs:9:9: 9:15 + _10 = (const 0u32, const 1u32); // bb0[13]: scope 0 at $DIR/storage_live_dead_in_statics.rs:9:9: 9:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:9:10: 9:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:9:13: 9:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_11); // bb0[14]: scope 0 at $DIR/storage_live_dead_in_statics.rs:9:17: 9:23 + _11 = (const 0u32, const 2u32); // bb0[15]: scope 0 at $DIR/storage_live_dead_in_statics.rs:9:17: 9:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:9:18: 9:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:9:21: 9:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_12); // bb0[16]: scope 0 at $DIR/storage_live_dead_in_statics.rs:9:25: 9:31 + _12 = (const 0u32, const 3u32); // bb0[17]: scope 0 at $DIR/storage_live_dead_in_statics.rs:9:25: 9:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:9:26: 9:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:9:29: 9:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_13); // bb0[18]: scope 0 at $DIR/storage_live_dead_in_statics.rs:10:9: 10:15 + _13 = (const 0u32, const 1u32); // bb0[19]: scope 0 at $DIR/storage_live_dead_in_statics.rs:10:9: 10:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:10:10: 10:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:10:13: 10:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_14); // bb0[20]: scope 0 at $DIR/storage_live_dead_in_statics.rs:10:17: 10:23 + _14 = (const 0u32, const 2u32); // bb0[21]: scope 0 at $DIR/storage_live_dead_in_statics.rs:10:17: 10:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:10:18: 10:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:10:21: 10:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_15); // bb0[22]: scope 0 at $DIR/storage_live_dead_in_statics.rs:10:25: 10:31 + _15 = (const 0u32, const 3u32); // bb0[23]: scope 0 at $DIR/storage_live_dead_in_statics.rs:10:25: 10:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:10:26: 10:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:10:29: 10:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_16); // bb0[24]: scope 0 at $DIR/storage_live_dead_in_statics.rs:11:9: 11:15 + _16 = (const 0u32, const 1u32); // bb0[25]: scope 0 at $DIR/storage_live_dead_in_statics.rs:11:9: 11:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:11:10: 11:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:11:13: 11:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_17); // bb0[26]: scope 0 at $DIR/storage_live_dead_in_statics.rs:11:17: 11:23 + _17 = (const 0u32, const 2u32); // bb0[27]: scope 0 at $DIR/storage_live_dead_in_statics.rs:11:17: 11:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:11:18: 11:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:11:21: 11:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_18); // bb0[28]: scope 0 at $DIR/storage_live_dead_in_statics.rs:11:25: 11:31 + _18 = (const 0u32, const 3u32); // bb0[29]: scope 0 at $DIR/storage_live_dead_in_statics.rs:11:25: 11:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:11:26: 11:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:11:29: 11:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_19); // bb0[30]: scope 0 at $DIR/storage_live_dead_in_statics.rs:12:9: 12:15 + _19 = (const 0u32, const 1u32); // bb0[31]: scope 0 at $DIR/storage_live_dead_in_statics.rs:12:9: 12:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:12:10: 12:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:12:13: 12:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_20); // bb0[32]: scope 0 at $DIR/storage_live_dead_in_statics.rs:12:17: 12:23 + _20 = (const 0u32, const 2u32); // bb0[33]: scope 0 at $DIR/storage_live_dead_in_statics.rs:12:17: 12:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:12:18: 12:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:12:21: 12:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_21); // bb0[34]: scope 0 at $DIR/storage_live_dead_in_statics.rs:12:25: 12:31 + _21 = (const 0u32, const 3u32); // bb0[35]: scope 0 at $DIR/storage_live_dead_in_statics.rs:12:25: 12:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:12:26: 12:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:12:29: 12:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_22); // bb0[36]: scope 0 at $DIR/storage_live_dead_in_statics.rs:13:9: 13:15 + _22 = (const 0u32, const 1u32); // bb0[37]: scope 0 at $DIR/storage_live_dead_in_statics.rs:13:9: 13:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:13:10: 13:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:13:13: 13:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_23); // bb0[38]: scope 0 at $DIR/storage_live_dead_in_statics.rs:13:17: 13:23 + _23 = (const 0u32, const 2u32); // bb0[39]: scope 0 at $DIR/storage_live_dead_in_statics.rs:13:17: 13:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:13:18: 13:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:13:21: 13:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_24); // bb0[40]: scope 0 at $DIR/storage_live_dead_in_statics.rs:13:25: 13:31 + _24 = (const 0u32, const 3u32); // bb0[41]: scope 0 at $DIR/storage_live_dead_in_statics.rs:13:25: 13:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:13:26: 13:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:13:29: 13:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_25); // bb0[42]: scope 0 at $DIR/storage_live_dead_in_statics.rs:14:9: 14:15 + _25 = (const 0u32, const 1u32); // bb0[43]: scope 0 at $DIR/storage_live_dead_in_statics.rs:14:9: 14:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:14:10: 14:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:14:13: 14:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_26); // bb0[44]: scope 0 at $DIR/storage_live_dead_in_statics.rs:14:17: 14:23 + _26 = (const 0u32, const 2u32); // bb0[45]: scope 0 at $DIR/storage_live_dead_in_statics.rs:14:17: 14:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:14:18: 14:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:14:21: 14:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_27); // bb0[46]: scope 0 at $DIR/storage_live_dead_in_statics.rs:14:25: 14:31 + _27 = (const 0u32, const 3u32); // bb0[47]: scope 0 at $DIR/storage_live_dead_in_statics.rs:14:25: 14:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:14:26: 14:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:14:29: 14:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_28); // bb0[48]: scope 0 at $DIR/storage_live_dead_in_statics.rs:15:9: 15:15 + _28 = (const 0u32, const 1u32); // bb0[49]: scope 0 at $DIR/storage_live_dead_in_statics.rs:15:9: 15:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:15:10: 15:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:15:13: 15:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_29); // bb0[50]: scope 0 at $DIR/storage_live_dead_in_statics.rs:15:17: 15:23 + _29 = (const 0u32, const 2u32); // bb0[51]: scope 0 at $DIR/storage_live_dead_in_statics.rs:15:17: 15:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:15:18: 15:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:15:21: 15:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_30); // bb0[52]: scope 0 at $DIR/storage_live_dead_in_statics.rs:15:25: 15:31 + _30 = (const 0u32, const 3u32); // bb0[53]: scope 0 at $DIR/storage_live_dead_in_statics.rs:15:25: 15:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:15:26: 15:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:15:29: 15:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_31); // bb0[54]: scope 0 at $DIR/storage_live_dead_in_statics.rs:16:9: 16:15 + _31 = (const 0u32, const 1u32); // bb0[55]: scope 0 at $DIR/storage_live_dead_in_statics.rs:16:9: 16:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:16:10: 16:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:16:13: 16:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_32); // bb0[56]: scope 0 at $DIR/storage_live_dead_in_statics.rs:16:17: 16:23 + _32 = (const 0u32, const 2u32); // bb0[57]: scope 0 at $DIR/storage_live_dead_in_statics.rs:16:17: 16:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:16:18: 16:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:16:21: 16:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_33); // bb0[58]: scope 0 at $DIR/storage_live_dead_in_statics.rs:16:25: 16:31 + _33 = (const 0u32, const 3u32); // bb0[59]: scope 0 at $DIR/storage_live_dead_in_statics.rs:16:25: 16:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:16:26: 16:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:16:29: 16:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_34); // bb0[60]: scope 0 at $DIR/storage_live_dead_in_statics.rs:17:9: 17:15 + _34 = (const 0u32, const 1u32); // bb0[61]: scope 0 at $DIR/storage_live_dead_in_statics.rs:17:9: 17:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:17:10: 17:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:17:13: 17:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_35); // bb0[62]: scope 0 at $DIR/storage_live_dead_in_statics.rs:17:17: 17:23 + _35 = (const 0u32, const 2u32); // bb0[63]: scope 0 at $DIR/storage_live_dead_in_statics.rs:17:17: 17:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:17:18: 17:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:17:21: 17:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_36); // bb0[64]: scope 0 at $DIR/storage_live_dead_in_statics.rs:17:25: 17:31 + _36 = (const 0u32, const 3u32); // bb0[65]: scope 0 at $DIR/storage_live_dead_in_statics.rs:17:25: 17:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:17:26: 17:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:17:29: 17:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_37); // bb0[66]: scope 0 at $DIR/storage_live_dead_in_statics.rs:18:9: 18:15 + _37 = (const 0u32, const 1u32); // bb0[67]: scope 0 at $DIR/storage_live_dead_in_statics.rs:18:9: 18:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:18:10: 18:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:18:13: 18:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_38); // bb0[68]: scope 0 at $DIR/storage_live_dead_in_statics.rs:18:17: 18:23 + _38 = (const 0u32, const 2u32); // bb0[69]: scope 0 at $DIR/storage_live_dead_in_statics.rs:18:17: 18:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:18:18: 18:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:18:21: 18:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_39); // bb0[70]: scope 0 at $DIR/storage_live_dead_in_statics.rs:18:25: 18:31 + _39 = (const 0u32, const 3u32); // bb0[71]: scope 0 at $DIR/storage_live_dead_in_statics.rs:18:25: 18:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:18:26: 18:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:18:29: 18:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_40); // bb0[72]: scope 0 at $DIR/storage_live_dead_in_statics.rs:19:9: 19:15 + _40 = (const 0u32, const 1u32); // bb0[73]: scope 0 at $DIR/storage_live_dead_in_statics.rs:19:9: 19:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:19:10: 19:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:19:13: 19:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_41); // bb0[74]: scope 0 at $DIR/storage_live_dead_in_statics.rs:19:17: 19:23 + _41 = (const 0u32, const 2u32); // bb0[75]: scope 0 at $DIR/storage_live_dead_in_statics.rs:19:17: 19:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:19:18: 19:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:19:21: 19:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_42); // bb0[76]: scope 0 at $DIR/storage_live_dead_in_statics.rs:19:25: 19:31 + _42 = (const 0u32, const 3u32); // bb0[77]: scope 0 at $DIR/storage_live_dead_in_statics.rs:19:25: 19:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:19:26: 19:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:19:29: 19:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_43); // bb0[78]: scope 0 at $DIR/storage_live_dead_in_statics.rs:20:9: 20:15 + _43 = (const 0u32, const 1u32); // bb0[79]: scope 0 at $DIR/storage_live_dead_in_statics.rs:20:9: 20:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:20:10: 20:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:20:13: 20:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_44); // bb0[80]: scope 0 at $DIR/storage_live_dead_in_statics.rs:20:17: 20:23 + _44 = (const 0u32, const 2u32); // bb0[81]: scope 0 at $DIR/storage_live_dead_in_statics.rs:20:17: 20:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:20:18: 20:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:20:21: 20:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_45); // bb0[82]: scope 0 at $DIR/storage_live_dead_in_statics.rs:20:25: 20:31 + _45 = (const 0u32, const 3u32); // bb0[83]: scope 0 at $DIR/storage_live_dead_in_statics.rs:20:25: 20:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:20:26: 20:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:20:29: 20:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + StorageLive(_46); // bb0[84]: scope 0 at $DIR/storage_live_dead_in_statics.rs:21:9: 21:15 + _46 = (const 0u32, const 1u32); // bb0[85]: scope 0 at $DIR/storage_live_dead_in_statics.rs:21:9: 21:15 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:21:10: 21:11 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:21:13: 21:14 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) } + StorageLive(_47); // bb0[86]: scope 0 at $DIR/storage_live_dead_in_statics.rs:21:17: 21:23 + _47 = (const 0u32, const 2u32); // bb0[87]: scope 0 at $DIR/storage_live_dead_in_statics.rs:21:17: 21:23 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:21:18: 21:19 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:21:21: 21:22 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) } + StorageLive(_48); // bb0[88]: scope 0 at $DIR/storage_live_dead_in_statics.rs:21:25: 21:31 + _48 = (const 0u32, const 3u32); // bb0[89]: scope 0 at $DIR/storage_live_dead_in_statics.rs:21:25: 21:31 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:21:26: 21:27 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000000)) } + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:21:29: 21:30 + // + literal: Const { ty: u32, val: Value(Scalar(0x00000003)) } + _6 = [move _7, move _8, move _9, move _10, move _11, move _12, move _13, move _14, move _15, move _16, move _17, move _18, move _19, move _20, move _21, move _22, move _23, move _24, move _25, move _26, move _27, move _28, move _29, move _30, move _31, move _32, move _33, move _34, move _35, move _36, move _37, move _38, move _39, move _40, move _41, move _42, move _43, move _44, move _45, move _46, move _47, move _48]; // bb0[90]: scope 0 at $DIR/storage_live_dead_in_statics.rs:7:12: 22:6 + _5 = &_6; // bb0[91]: scope 0 at $DIR/storage_live_dead_in_statics.rs:7:11: 22:6 + _4 = &(*_5); // bb0[92]: scope 0 at $DIR/storage_live_dead_in_statics.rs:7:11: 22:6 + _3 = move _4 as &[(u32, u32)] (Pointer(Unsize)); // bb0[93]: scope 0 at $DIR/storage_live_dead_in_statics.rs:7:11: 22:6 + _2 = Foo { tup: const "hi", data: move _3 }; // bb0[94]: scope 0 at $DIR/storage_live_dead_in_statics.rs:5:29: 23:2 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [104, 105], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [3], len: Size { raw: 2 } }, size: Size { raw: 2 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 2 }) + // mir::Constant + // + span: $DIR/storage_live_dead_in_statics.rs:6:10: 6:14 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [104, 105], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [3], len: Size { raw: 2 } }, size: Size { raw: 2 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 2 }) } + _1 = &_2; // bb0[95]: scope 0 at $DIR/storage_live_dead_in_statics.rs:5:28: 23:2 + _0 = &(*_1); // bb0[96]: scope 0 at $DIR/storage_live_dead_in_statics.rs:5:28: 23:2 + StorageDead(_5); // bb0[97]: scope 0 at $DIR/storage_live_dead_in_statics.rs:23:1: 23:2 + StorageDead(_1); // bb0[98]: scope 0 at $DIR/storage_live_dead_in_statics.rs:23:1: 23:2 + return; // bb0[99]: scope 0 at $DIR/storage_live_dead_in_statics.rs:5:1: 23:3 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/storage_live_dead_in_statics.rs:5:1: 23:3 + } +} diff --git a/src/test/mir-opt/storage_ranges.rs b/src/test/mir-opt/storage_ranges.rs index 95570ff76a6d0..7b3c77aca27eb 100644 --- a/src/test/mir-opt/storage_ranges.rs +++ b/src/test/mir-opt/storage_ranges.rs @@ -1,3 +1,5 @@ +// EMIT_MIR rustc.main.nll.0.mir + fn main() { let a = 0; { @@ -5,32 +7,3 @@ fn main() { } let c = 1; } - -// END RUST SOURCE -// START rustc.main.nll.0.mir -// bb0: { -// StorageLive(_1); -// _1 = const 0i32; -// FakeRead(ForLet, _1); -// StorageLive(_2); -// StorageLive(_3); -// StorageLive(_4); -// StorageLive(_5); -// _5 = _1; -// _4 = std::option::Option::::Some(move _5,); -// StorageDead(_5); -// _3 = &_4; -// FakeRead(ForLet, _3); -// _2 = (); -// StorageDead(_4); -// StorageDead(_3); -// StorageDead(_2); -// StorageLive(_6); -// _6 = const 1i32; -// FakeRead(ForLet, _6); -// _0 = (); -// StorageDead(_6); -// StorageDead(_1); -// return; -// } -// END rustc.main.nll.0.mir diff --git a/src/test/mir-opt/storage_ranges/rustc.main.nll.0.mir b/src/test/mir-opt/storage_ranges/rustc.main.nll.0.mir new file mode 100644 index 0000000000000..57ec47346e8cc --- /dev/null +++ b/src/test/mir-opt/storage_ranges/rustc.main.nll.0.mir @@ -0,0 +1,75 @@ +// MIR for `main` 0 nll + +| Free Region Mapping +| '_#0r | Global | ['_#0r, '_#1r] +| '_#1r | Local | ['_#1r] +| +| Inferred Region Values +| '_#0r | U0 | {bb0[0..=22], '_#0r, '_#1r} +| '_#1r | U0 | {bb0[0..=22], '_#1r} +| '_#2r | U0 | {bb0[10..=11]} +| '_#3r | U0 | {bb0[11]} +| +| Inference Constraints +| '_#0r live at {bb0[0..=22]} +| '_#1r live at {bb0[0..=22]} +| '_#2r live at {bb0[10]} +| '_#3r live at {bb0[11]} +| '_#2r: '_#3r due to Assignment at Single(bb0[10]) +| +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/storage_ranges.rs:3:11: 3:11 + let _1: i32; // in scope 0 at $DIR/storage_ranges.rs:4:9: 4:10 + let _2: (); // in scope 0 at $DIR/storage_ranges.rs:5:5: 7:6 + let _4: std::option::Option; // in scope 0 at $DIR/storage_ranges.rs:6:18: 6:25 + let mut _5: i32; // in scope 0 at $DIR/storage_ranges.rs:6:23: 6:24 + scope 1 { + debug a => _1; // in scope 1 at $DIR/storage_ranges.rs:4:9: 4:10 + let _3: &std::option::Option; // in scope 1 at $DIR/storage_ranges.rs:6:13: 6:14 + let _6: i32; // in scope 1 at $DIR/storage_ranges.rs:8:9: 8:10 + scope 2 { + debug b => _3; // in scope 2 at $DIR/storage_ranges.rs:6:13: 6:14 + } + scope 3 { + debug c => _6; // in scope 3 at $DIR/storage_ranges.rs:8:9: 8:10 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/storage_ranges.rs:4:9: 4:10 + _1 = const 0i32; // bb0[1]: scope 0 at $DIR/storage_ranges.rs:4:13: 4:14 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000000)) + // mir::Constant + // + span: $DIR/storage_ranges.rs:4:13: 4:14 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } + FakeRead(ForLet, _1); // bb0[2]: scope 0 at $DIR/storage_ranges.rs:4:9: 4:10 + StorageLive(_2); // bb0[3]: scope 1 at $DIR/storage_ranges.rs:5:5: 7:6 + StorageLive(_3); // bb0[4]: scope 1 at $DIR/storage_ranges.rs:6:13: 6:14 + StorageLive(_4); // bb0[5]: scope 1 at $DIR/storage_ranges.rs:6:18: 6:25 + StorageLive(_5); // bb0[6]: scope 1 at $DIR/storage_ranges.rs:6:23: 6:24 + _5 = _1; // bb0[7]: scope 1 at $DIR/storage_ranges.rs:6:23: 6:24 + _4 = std::option::Option::::Some(move _5,); // bb0[8]: scope 1 at $DIR/storage_ranges.rs:6:18: 6:25 + StorageDead(_5); // bb0[9]: scope 1 at $DIR/storage_ranges.rs:6:24: 6:25 + _3 = &_4; // bb0[10]: scope 1 at $DIR/storage_ranges.rs:6:17: 6:25 + FakeRead(ForLet, _3); // bb0[11]: scope 1 at $DIR/storage_ranges.rs:6:13: 6:14 + _2 = (); // bb0[12]: scope 1 at $DIR/storage_ranges.rs:5:5: 7:6 + StorageDead(_4); // bb0[13]: scope 1 at $DIR/storage_ranges.rs:7:5: 7:6 + StorageDead(_3); // bb0[14]: scope 1 at $DIR/storage_ranges.rs:7:5: 7:6 + StorageDead(_2); // bb0[15]: scope 1 at $DIR/storage_ranges.rs:7:5: 7:6 + StorageLive(_6); // bb0[16]: scope 1 at $DIR/storage_ranges.rs:8:9: 8:10 + _6 = const 1i32; // bb0[17]: scope 1 at $DIR/storage_ranges.rs:8:13: 8:14 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/storage_ranges.rs:8:13: 8:14 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + FakeRead(ForLet, _6); // bb0[18]: scope 1 at $DIR/storage_ranges.rs:8:9: 8:10 + _0 = (); // bb0[19]: scope 0 at $DIR/storage_ranges.rs:3:11: 9:2 + StorageDead(_6); // bb0[20]: scope 1 at $DIR/storage_ranges.rs:9:1: 9:2 + StorageDead(_1); // bb0[21]: scope 0 at $DIR/storage_ranges.rs:9:1: 9:2 + return; // bb0[22]: scope 0 at $DIR/storage_ranges.rs:9:2: 9:2 + } +} diff --git a/src/test/mir-opt/uniform_array_move_out.rs b/src/test/mir-opt/uniform_array_move_out.rs index d587d237227ad..c1b7ebdbc3ab9 100644 --- a/src/test/mir-opt/uniform_array_move_out.rs +++ b/src/test/mir-opt/uniform_array_move_out.rs @@ -1,10 +1,12 @@ #![feature(box_syntax)] +// EMIT_MIR rustc.move_out_from_end.mir_map.0.mir fn move_out_from_end() { let a = [box 1, box 2]; let [.., _y] = a; } +// EMIT_MIR rustc.move_out_by_subslice.mir_map.0.mir fn move_out_by_subslice() { let a = [box 1, box 2]; let [_y @ ..] = a; @@ -14,15 +16,3 @@ fn main() { move_out_by_subslice(); move_out_from_end(); } - -// END RUST SOURCE - -// START rustc.move_out_from_end.mir_map.0.mir -// _6 = move _1[1 of 2]; -// _0 = (); -// END rustc.move_out_from_end.mir_map.0.mir - -// START rustc.move_out_by_subslice.mir_map.0.mir -// _6 = move _1[0..2]; -// _0 = (); -// END rustc.move_out_by_subslice.mir_map.0.mir diff --git a/src/test/mir-opt/uniform_array_move_out/rustc.move_out_by_subslice.mir_map.0.mir b/src/test/mir-opt/uniform_array_move_out/rustc.move_out_by_subslice.mir_map.0.mir new file mode 100644 index 0000000000000..5dbee8f7b3dda --- /dev/null +++ b/src/test/mir-opt/uniform_array_move_out/rustc.move_out_by_subslice.mir_map.0.mir @@ -0,0 +1,111 @@ +// MIR for `move_out_by_subslice` 0 mir_map + +fn move_out_by_subslice() -> () { + let mut _0: (); // return place in scope 0 at $DIR/uniform_array_move_out.rs:10:27: 10:27 + let _1: [std::boxed::Box; 2]; // in scope 0 at $DIR/uniform_array_move_out.rs:11:9: 11:10 + let mut _2: std::boxed::Box; // in scope 0 at $DIR/uniform_array_move_out.rs:11:14: 11:19 + let mut _3: std::boxed::Box; // in scope 0 at $DIR/uniform_array_move_out.rs:11:14: 11:19 + let mut _4: std::boxed::Box; // in scope 0 at $DIR/uniform_array_move_out.rs:11:21: 11:26 + let mut _5: std::boxed::Box; // in scope 0 at $DIR/uniform_array_move_out.rs:11:21: 11:26 + scope 1 { + debug a => _1; // in scope 1 at $DIR/uniform_array_move_out.rs:11:9: 11:10 + let _6: [std::boxed::Box; 2]; // in scope 1 at $DIR/uniform_array_move_out.rs:12:10: 12:17 + scope 2 { + debug _y => _6; // in scope 2 at $DIR/uniform_array_move_out.rs:12:10: 12:17 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/uniform_array_move_out.rs:11:9: 11:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/uniform_array_move_out.rs:11:14: 11:19 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/uniform_array_move_out.rs:11:14: 11:19 + _3 = Box(i32); // bb0[3]: scope 0 at $DIR/uniform_array_move_out.rs:11:14: 11:19 + (*_3) = const 1i32; // bb0[4]: scope 0 at $DIR/uniform_array_move_out.rs:11:18: 11:19 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/uniform_array_move_out.rs:11:18: 11:19 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + _2 = move _3; // bb0[5]: scope 0 at $DIR/uniform_array_move_out.rs:11:14: 11:19 + drop(_3) -> [return: bb4, unwind: bb2]; // bb0[6]: scope 0 at $DIR/uniform_array_move_out.rs:11:18: 11:19 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/uniform_array_move_out.rs:10:1: 13:2 + } + + bb2 (cleanup): { + drop(_2) -> bb1; // bb2[0]: scope 0 at $DIR/uniform_array_move_out.rs:11:26: 11:27 + } + + bb3 (cleanup): { + drop(_3) -> bb2; // bb3[0]: scope 0 at $DIR/uniform_array_move_out.rs:11:18: 11:19 + } + + bb4: { + StorageDead(_3); // bb4[0]: scope 0 at $DIR/uniform_array_move_out.rs:11:18: 11:19 + StorageLive(_4); // bb4[1]: scope 0 at $DIR/uniform_array_move_out.rs:11:21: 11:26 + StorageLive(_5); // bb4[2]: scope 0 at $DIR/uniform_array_move_out.rs:11:21: 11:26 + _5 = Box(i32); // bb4[3]: scope 0 at $DIR/uniform_array_move_out.rs:11:21: 11:26 + (*_5) = const 2i32; // bb4[4]: scope 0 at $DIR/uniform_array_move_out.rs:11:25: 11:26 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/uniform_array_move_out.rs:11:25: 11:26 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + _4 = move _5; // bb4[5]: scope 0 at $DIR/uniform_array_move_out.rs:11:21: 11:26 + drop(_5) -> [return: bb7, unwind: bb5]; // bb4[6]: scope 0 at $DIR/uniform_array_move_out.rs:11:25: 11:26 + } + + bb5 (cleanup): { + drop(_4) -> bb2; // bb5[0]: scope 0 at $DIR/uniform_array_move_out.rs:11:26: 11:27 + } + + bb6 (cleanup): { + drop(_5) -> bb5; // bb6[0]: scope 0 at $DIR/uniform_array_move_out.rs:11:25: 11:26 + } + + bb7: { + StorageDead(_5); // bb7[0]: scope 0 at $DIR/uniform_array_move_out.rs:11:25: 11:26 + _1 = [move _2, move _4]; // bb7[1]: scope 0 at $DIR/uniform_array_move_out.rs:11:13: 11:27 + drop(_4) -> [return: bb8, unwind: bb2]; // bb7[2]: scope 0 at $DIR/uniform_array_move_out.rs:11:26: 11:27 + } + + bb8: { + StorageDead(_4); // bb8[0]: scope 0 at $DIR/uniform_array_move_out.rs:11:26: 11:27 + drop(_2) -> [return: bb9, unwind: bb1]; // bb8[1]: scope 0 at $DIR/uniform_array_move_out.rs:11:26: 11:27 + } + + bb9: { + StorageDead(_2); // bb9[0]: scope 0 at $DIR/uniform_array_move_out.rs:11:26: 11:27 + FakeRead(ForLet, _1); // bb9[1]: scope 0 at $DIR/uniform_array_move_out.rs:11:9: 11:10 + StorageLive(_6); // bb9[2]: scope 1 at $DIR/uniform_array_move_out.rs:12:10: 12:17 + _6 = move _1[0..2]; // bb9[3]: scope 1 at $DIR/uniform_array_move_out.rs:12:10: 12:17 + _0 = (); // bb9[4]: scope 0 at $DIR/uniform_array_move_out.rs:10:27: 13:2 + drop(_6) -> [return: bb12, unwind: bb10]; // bb9[5]: scope 1 at $DIR/uniform_array_move_out.rs:13:1: 13:2 + } + + bb10 (cleanup): { + drop(_1) -> bb1; // bb10[0]: scope 0 at $DIR/uniform_array_move_out.rs:13:1: 13:2 + } + + bb11 (cleanup): { + drop(_6) -> bb10; // bb11[0]: scope 1 at $DIR/uniform_array_move_out.rs:13:1: 13:2 + } + + bb12: { + StorageDead(_6); // bb12[0]: scope 1 at $DIR/uniform_array_move_out.rs:13:1: 13:2 + drop(_1) -> [return: bb13, unwind: bb1]; // bb12[1]: scope 0 at $DIR/uniform_array_move_out.rs:13:1: 13:2 + } + + bb13: { + StorageDead(_1); // bb13[0]: scope 0 at $DIR/uniform_array_move_out.rs:13:1: 13:2 + goto -> bb14; // bb13[1]: scope 0 at $DIR/uniform_array_move_out.rs:13:2: 13:2 + } + + bb14: { + return; // bb14[0]: scope 0 at $DIR/uniform_array_move_out.rs:13:2: 13:2 + } +} diff --git a/src/test/mir-opt/uniform_array_move_out/rustc.move_out_from_end.mir_map.0.mir b/src/test/mir-opt/uniform_array_move_out/rustc.move_out_from_end.mir_map.0.mir new file mode 100644 index 0000000000000..4a5cd625c9d39 --- /dev/null +++ b/src/test/mir-opt/uniform_array_move_out/rustc.move_out_from_end.mir_map.0.mir @@ -0,0 +1,111 @@ +// MIR for `move_out_from_end` 0 mir_map + +fn move_out_from_end() -> () { + let mut _0: (); // return place in scope 0 at $DIR/uniform_array_move_out.rs:4:24: 4:24 + let _1: [std::boxed::Box; 2]; // in scope 0 at $DIR/uniform_array_move_out.rs:5:9: 5:10 + let mut _2: std::boxed::Box; // in scope 0 at $DIR/uniform_array_move_out.rs:5:14: 5:19 + let mut _3: std::boxed::Box; // in scope 0 at $DIR/uniform_array_move_out.rs:5:14: 5:19 + let mut _4: std::boxed::Box; // in scope 0 at $DIR/uniform_array_move_out.rs:5:21: 5:26 + let mut _5: std::boxed::Box; // in scope 0 at $DIR/uniform_array_move_out.rs:5:21: 5:26 + scope 1 { + debug a => _1; // in scope 1 at $DIR/uniform_array_move_out.rs:5:9: 5:10 + let _6: std::boxed::Box; // in scope 1 at $DIR/uniform_array_move_out.rs:6:14: 6:16 + scope 2 { + debug _y => _6; // in scope 2 at $DIR/uniform_array_move_out.rs:6:14: 6:16 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/uniform_array_move_out.rs:5:9: 5:10 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/uniform_array_move_out.rs:5:14: 5:19 + StorageLive(_3); // bb0[2]: scope 0 at $DIR/uniform_array_move_out.rs:5:14: 5:19 + _3 = Box(i32); // bb0[3]: scope 0 at $DIR/uniform_array_move_out.rs:5:14: 5:19 + (*_3) = const 1i32; // bb0[4]: scope 0 at $DIR/uniform_array_move_out.rs:5:18: 5:19 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000001)) + // mir::Constant + // + span: $DIR/uniform_array_move_out.rs:5:18: 5:19 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } + _2 = move _3; // bb0[5]: scope 0 at $DIR/uniform_array_move_out.rs:5:14: 5:19 + drop(_3) -> [return: bb4, unwind: bb2]; // bb0[6]: scope 0 at $DIR/uniform_array_move_out.rs:5:18: 5:19 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/uniform_array_move_out.rs:4:1: 7:2 + } + + bb2 (cleanup): { + drop(_2) -> bb1; // bb2[0]: scope 0 at $DIR/uniform_array_move_out.rs:5:26: 5:27 + } + + bb3 (cleanup): { + drop(_3) -> bb2; // bb3[0]: scope 0 at $DIR/uniform_array_move_out.rs:5:18: 5:19 + } + + bb4: { + StorageDead(_3); // bb4[0]: scope 0 at $DIR/uniform_array_move_out.rs:5:18: 5:19 + StorageLive(_4); // bb4[1]: scope 0 at $DIR/uniform_array_move_out.rs:5:21: 5:26 + StorageLive(_5); // bb4[2]: scope 0 at $DIR/uniform_array_move_out.rs:5:21: 5:26 + _5 = Box(i32); // bb4[3]: scope 0 at $DIR/uniform_array_move_out.rs:5:21: 5:26 + (*_5) = const 2i32; // bb4[4]: scope 0 at $DIR/uniform_array_move_out.rs:5:25: 5:26 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/uniform_array_move_out.rs:5:25: 5:26 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + _4 = move _5; // bb4[5]: scope 0 at $DIR/uniform_array_move_out.rs:5:21: 5:26 + drop(_5) -> [return: bb7, unwind: bb5]; // bb4[6]: scope 0 at $DIR/uniform_array_move_out.rs:5:25: 5:26 + } + + bb5 (cleanup): { + drop(_4) -> bb2; // bb5[0]: scope 0 at $DIR/uniform_array_move_out.rs:5:26: 5:27 + } + + bb6 (cleanup): { + drop(_5) -> bb5; // bb6[0]: scope 0 at $DIR/uniform_array_move_out.rs:5:25: 5:26 + } + + bb7: { + StorageDead(_5); // bb7[0]: scope 0 at $DIR/uniform_array_move_out.rs:5:25: 5:26 + _1 = [move _2, move _4]; // bb7[1]: scope 0 at $DIR/uniform_array_move_out.rs:5:13: 5:27 + drop(_4) -> [return: bb8, unwind: bb2]; // bb7[2]: scope 0 at $DIR/uniform_array_move_out.rs:5:26: 5:27 + } + + bb8: { + StorageDead(_4); // bb8[0]: scope 0 at $DIR/uniform_array_move_out.rs:5:26: 5:27 + drop(_2) -> [return: bb9, unwind: bb1]; // bb8[1]: scope 0 at $DIR/uniform_array_move_out.rs:5:26: 5:27 + } + + bb9: { + StorageDead(_2); // bb9[0]: scope 0 at $DIR/uniform_array_move_out.rs:5:26: 5:27 + FakeRead(ForLet, _1); // bb9[1]: scope 0 at $DIR/uniform_array_move_out.rs:5:9: 5:10 + StorageLive(_6); // bb9[2]: scope 1 at $DIR/uniform_array_move_out.rs:6:14: 6:16 + _6 = move _1[1 of 2]; // bb9[3]: scope 1 at $DIR/uniform_array_move_out.rs:6:14: 6:16 + _0 = (); // bb9[4]: scope 0 at $DIR/uniform_array_move_out.rs:4:24: 7:2 + drop(_6) -> [return: bb12, unwind: bb10]; // bb9[5]: scope 1 at $DIR/uniform_array_move_out.rs:7:1: 7:2 + } + + bb10 (cleanup): { + drop(_1) -> bb1; // bb10[0]: scope 0 at $DIR/uniform_array_move_out.rs:7:1: 7:2 + } + + bb11 (cleanup): { + drop(_6) -> bb10; // bb11[0]: scope 1 at $DIR/uniform_array_move_out.rs:7:1: 7:2 + } + + bb12: { + StorageDead(_6); // bb12[0]: scope 1 at $DIR/uniform_array_move_out.rs:7:1: 7:2 + drop(_1) -> [return: bb13, unwind: bb1]; // bb12[1]: scope 0 at $DIR/uniform_array_move_out.rs:7:1: 7:2 + } + + bb13: { + StorageDead(_1); // bb13[0]: scope 0 at $DIR/uniform_array_move_out.rs:7:1: 7:2 + goto -> bb14; // bb13[1]: scope 0 at $DIR/uniform_array_move_out.rs:7:2: 7:2 + } + + bb14: { + return; // bb14[0]: scope 0 at $DIR/uniform_array_move_out.rs:7:2: 7:2 + } +} diff --git a/src/test/mir-opt/uninhabited-enum.rs b/src/test/mir-opt/uninhabited-enum.rs index 904a9c43c1bcc..6503e19360836 100644 --- a/src/test/mir-opt/uninhabited-enum.rs +++ b/src/test/mir-opt/uninhabited-enum.rs @@ -2,11 +2,13 @@ pub enum Void {} +// EMIT_MIR rustc.process_never.SimplifyLocals.after.mir #[no_mangle] pub fn process_never(input: *const !) { let _input = unsafe { &*input }; } +// EMIT_MIR rustc.process_void.SimplifyLocals.after.mir #[no_mangle] pub fn process_void(input: *const Void) { let _input = unsafe { &*input }; @@ -15,23 +17,3 @@ pub fn process_void(input: *const Void) { } fn main() {} - -// END RUST SOURCE -// -// START rustc.process_never.SimplifyLocals.after.mir -// bb0: { -// StorageLive(_2); -// _2 = &(*_1); -// StorageDead(_2); -// unreachable; -// } -// END rustc.process_never.SimplifyLocals.after.mir -// -// START rustc.process_void.SimplifyLocals.after.mir -// bb0: { -// StorageLive(_2); -// _2 = &(*_1); -// StorageDead(_2); -// return; -// } -// END rustc.process_void.SimplifyLocals.after.mir diff --git a/src/test/mir-opt/uninhabited-enum/rustc.process_never.SimplifyLocals.after.mir b/src/test/mir-opt/uninhabited-enum/rustc.process_never.SimplifyLocals.after.mir new file mode 100644 index 0000000000000..f2c8733660873 --- /dev/null +++ b/src/test/mir-opt/uninhabited-enum/rustc.process_never.SimplifyLocals.after.mir @@ -0,0 +1,19 @@ +// MIR for `process_never` after SimplifyLocals + +fn process_never(_1: *const !) -> () { + debug input => _1; // in scope 0 at $DIR/uninhabited-enum.rs:7:22: 7:27 + let mut _0: (); // return place in scope 0 at $DIR/uninhabited-enum.rs:7:39: 7:39 + let _2: &!; // in scope 0 at $DIR/uninhabited-enum.rs:8:8: 8:14 + scope 1 { + debug _input => _2; // in scope 1 at $DIR/uninhabited-enum.rs:8:8: 8:14 + } + scope 2 { + } + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/uninhabited-enum.rs:8:8: 8:14 + _2 = &(*_1); // bb0[1]: scope 2 at $DIR/uninhabited-enum.rs:8:26: 8:33 + StorageDead(_2); // bb0[2]: scope 0 at $DIR/uninhabited-enum.rs:9:1: 9:2 + unreachable; // bb0[3]: scope 0 at $DIR/uninhabited-enum.rs:7:39: 9:2 + } +} diff --git a/src/test/mir-opt/uninhabited-enum/rustc.process_void.SimplifyLocals.after.mir b/src/test/mir-opt/uninhabited-enum/rustc.process_void.SimplifyLocals.after.mir new file mode 100644 index 0000000000000..2eb820bbdc3c5 --- /dev/null +++ b/src/test/mir-opt/uninhabited-enum/rustc.process_void.SimplifyLocals.after.mir @@ -0,0 +1,19 @@ +// MIR for `process_void` after SimplifyLocals + +fn process_void(_1: *const Void) -> () { + debug input => _1; // in scope 0 at $DIR/uninhabited-enum.rs:13:21: 13:26 + let mut _0: (); // return place in scope 0 at $DIR/uninhabited-enum.rs:13:41: 13:41 + let _2: &Void; // in scope 0 at $DIR/uninhabited-enum.rs:14:8: 14:14 + scope 1 { + debug _input => _2; // in scope 1 at $DIR/uninhabited-enum.rs:14:8: 14:14 + } + scope 2 { + } + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/uninhabited-enum.rs:14:8: 14:14 + _2 = &(*_1); // bb0[1]: scope 2 at $DIR/uninhabited-enum.rs:14:26: 14:33 + StorageDead(_2); // bb0[2]: scope 0 at $DIR/uninhabited-enum.rs:17:1: 17:2 + return; // bb0[3]: scope 0 at $DIR/uninhabited-enum.rs:17:2: 17:2 + } +} diff --git a/src/test/mir-opt/uninhabited_enum_branching.rs b/src/test/mir-opt/uninhabited_enum_branching.rs index dda5fd4fb7577..daf1156d20ebf 100644 --- a/src/test/mir-opt/uninhabited_enum_branching.rs +++ b/src/test/mir-opt/uninhabited_enum_branching.rs @@ -14,6 +14,8 @@ enum Test2 { E = 5, } +// EMIT_MIR rustc.main.UninhabitedEnumBranching.diff +// EMIT_MIR rustc.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir fn main() { match Test1::C { Test1::A(_) => "A(Empty)", @@ -26,178 +28,3 @@ fn main() { Test2::E => "E", }; } - -// END RUST SOURCE -// -// START rustc.main.UninhabitedEnumBranching.before.mir -// let mut _0: (); -// let _1: &str; -// let mut _2: Test1; -// let mut _3: isize; -// let _4: &str; -// let _5: &str; -// let _6: &str; -// let mut _7: Test2; -// let mut _8: isize; -// let _9: &str; -// bb0: { -// StorageLive(_1); -// StorageLive(_2); -// _2 = Test1::C; -// _3 = discriminant(_2); -// switchInt(move _3) -> [0isize: bb2, 1isize: bb3, otherwise: bb1]; -// } -// bb1: { -// StorageLive(_5); -// _5 = const "C"; -// _1 = &(*_5); -// StorageDead(_5); -// goto -> bb4; -// } -// bb2: { -// _1 = const "A(Empty)"; -// goto -> bb4; -// } -// bb3: { -// StorageLive(_4); -// _4 = const "B(Empty)"; -// _1 = &(*_4); -// StorageDead(_4); -// goto -> bb4; -// } -// bb4: { -// StorageDead(_2); -// StorageDead(_1); -// StorageLive(_6); -// StorageLive(_7); -// _7 = Test2::D; -// _8 = discriminant(_7); -// switchInt(move _8) -> [4isize: bb6, otherwise: bb5]; -// } -// bb5: { -// StorageLive(_9); -// _9 = const "E"; -// _6 = &(*_9); -// StorageDead(_9); -// goto -> bb7; -// } -// bb6: { -// _6 = const "D"; -// goto -> bb7; -// } -// bb7: { -// StorageDead(_7); -// StorageDead(_6); -// _0 = (); -// return; -// } -// END rustc.main.UninhabitedEnumBranching.before.mir -// START rustc.main.UninhabitedEnumBranching.after.mir -// let mut _0: (); -// let _1: &str; -// let mut _2: Test1; -// let mut _3: isize; -// let _4: &str; -// let _5: &str; -// let _6: &str; -// let mut _7: Test2; -// let mut _8: isize; -// let _9: &str; -// bb0: { -// StorageLive(_1); -// StorageLive(_2); -// _2 = Test1::C; -// _3 = discriminant(_2); -// switchInt(move _3) -> bb1; -// } -// bb1: { -// StorageLive(_5); -// _5 = const "C"; -// _1 = &(*_5); -// StorageDead(_5); -// goto -> bb4; -// } -// bb2: { -// _1 = const "A(Empty)"; -// goto -> bb4; -// } -// bb3: { -// StorageLive(_4); -// _4 = const "B(Empty)"; -// _1 = &(*_4); -// StorageDead(_4); -// goto -> bb4; -// } -// bb4: { -// StorageDead(_2); -// StorageDead(_1); -// StorageLive(_6); -// StorageLive(_7); -// _7 = Test2::D; -// _8 = discriminant(_7); -// switchInt(move _8) -> [4isize: bb6, otherwise: bb5]; -// } -// bb5: { -// StorageLive(_9); -// _9 = const "E"; -// _6 = &(*_9); -// StorageDead(_9); -// goto -> bb7; -// } -// bb6: { -// _6 = const "D"; -// goto -> bb7; -// } -// bb7: { -// StorageDead(_7); -// StorageDead(_6); -// _0 = (); -// return; -// } -// END rustc.main.UninhabitedEnumBranching.after.mir -// START rustc.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir -// let mut _0: (); -// let _1: &str; -// let mut _2: Test1; -// let mut _3: isize; -// let _4: &str; -// let _5: &str; -// let _6: &str; -// let mut _7: Test2; -// let mut _8: isize; -// let _9: &str; -// bb0: { -// StorageLive(_1); -// StorageLive(_2); -// _2 = Test1::C; -// _3 = discriminant(_2); -// StorageLive(_5); -// _5 = const "C"; -// _1 = &(*_5); -// StorageDead(_5); -// StorageDead(_2); -// StorageDead(_1); -// StorageLive(_6); -// StorageLive(_7); -// _7 = Test2::D; -// _8 = discriminant(_7); -// switchInt(move _8) -> [4isize: bb2, otherwise: bb1]; -// } -// bb1: { -// StorageLive(_9); -// _9 = const "E"; -// _6 = &(*_9); -// StorageDead(_9); -// goto -> bb3; -// } -// bb2: { -// _6 = const "D"; -// goto -> bb3; -// } -// bb3: { -// StorageDead(_7); -// StorageDead(_6); -// _0 = (); -// return; -// } -// END rustc.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir diff --git a/src/test/mir-opt/uninhabited_enum_branching/rustc.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir b/src/test/mir-opt/uninhabited_enum_branching/rustc.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir new file mode 100644 index 0000000000000..c8dde4d360cc0 --- /dev/null +++ b/src/test/mir-opt/uninhabited_enum_branching/rustc.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir @@ -0,0 +1,70 @@ +// MIR for `main` after SimplifyCfg-after-uninhabited-enum-branching + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/uninhabited_enum_branching.rs:19:11: 19:11 + let _1: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6 + let mut _2: Test1; // in scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19 + let mut _3: isize; // in scope 0 at $DIR/uninhabited_enum_branching.rs:21:9: 21:20 + let _4: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34 + let _5: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + let _6: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6 + let mut _7: Test2; // in scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19 + let mut _8: isize; // in scope 0 at $DIR/uninhabited_enum_branching.rs:27:9: 27:17 + let _9: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19 + _2 = Test1::C; // bb0[2]: scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19 + _3 = discriminant(_2); // bb0[3]: scope 0 at $DIR/uninhabited_enum_branching.rs:21:9: 21:20 + StorageLive(_5); // bb0[4]: scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + _5 = const "C"; // bb0[5]: scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [67], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) + // mir::Constant + // + span: $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [67], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) } + _1 = &(*_5); // bb0[6]: scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + StorageDead(_5); // bb0[7]: scope 0 at $DIR/uninhabited_enum_branching.rs:23:23: 23:24 + StorageDead(_2); // bb0[8]: scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7 + StorageDead(_1); // bb0[9]: scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7 + StorageLive(_6); // bb0[10]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6 + StorageLive(_7); // bb0[11]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19 + _7 = Test2::D; // bb0[12]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19 + _8 = discriminant(_7); // bb0[13]: scope 0 at $DIR/uninhabited_enum_branching.rs:27:9: 27:17 + switchInt(move _8) -> [4isize: bb2, otherwise: bb1]; // bb0[14]: scope 0 at $DIR/uninhabited_enum_branching.rs:27:9: 27:17 + } + + bb1: { + StorageLive(_9); // bb1[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + _9 = const "E"; // bb1[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [69], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) + // mir::Constant + // + span: $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [69], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) } + _6 = &(*_9); // bb1[2]: scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + StorageDead(_9); // bb1[3]: scope 0 at $DIR/uninhabited_enum_branching.rs:28:23: 28:24 + goto -> bb3; // bb1[4]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6 + } + + bb2: { + _6 = const "D"; // bb2[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:27:21: 27:24 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [68], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) + // mir::Constant + // + span: $DIR/uninhabited_enum_branching.rs:27:21: 27:24 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [68], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) } + goto -> bb3; // bb2[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6 + } + + bb3: { + StorageDead(_7); // bb3[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7 + StorageDead(_6); // bb3[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7 + _0 = (); // bb3[2]: scope 0 at $DIR/uninhabited_enum_branching.rs:19:11: 30:2 + return; // bb3[3]: scope 0 at $DIR/uninhabited_enum_branching.rs:30:2: 30:2 + } +} diff --git a/src/test/mir-opt/uninhabited_enum_branching/rustc.main.UninhabitedEnumBranching.diff b/src/test/mir-opt/uninhabited_enum_branching/rustc.main.UninhabitedEnumBranching.diff new file mode 100644 index 0000000000000..cccd6aa323006 --- /dev/null +++ b/src/test/mir-opt/uninhabited_enum_branching/rustc.main.UninhabitedEnumBranching.diff @@ -0,0 +1,106 @@ +- // MIR for `main` before UninhabitedEnumBranching ++ // MIR for `main` after UninhabitedEnumBranching + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/uninhabited_enum_branching.rs:19:11: 19:11 + let _1: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6 + let mut _2: Test1; // in scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19 + let mut _3: isize; // in scope 0 at $DIR/uninhabited_enum_branching.rs:21:9: 21:20 + let _4: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34 + let _5: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + let _6: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6 + let mut _7: Test2; // in scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19 + let mut _8: isize; // in scope 0 at $DIR/uninhabited_enum_branching.rs:27:9: 27:17 + let _9: &str; // in scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6 + StorageLive(_2); // bb0[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19 + _2 = Test1::C; // bb0[2]: scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19 + _3 = discriminant(_2); // bb0[3]: scope 0 at $DIR/uninhabited_enum_branching.rs:21:9: 21:20 +- switchInt(move _3) -> [0isize: bb2, 1isize: bb3, otherwise: bb1]; // bb0[4]: scope 0 at $DIR/uninhabited_enum_branching.rs:21:9: 21:20 ++ switchInt(move _3) -> bb1; // bb0[4]: scope 0 at $DIR/uninhabited_enum_branching.rs:21:9: 21:20 + } + + bb1: { + StorageLive(_5); // bb1[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + _5 = const "C"; // bb1[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [67], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) + // mir::Constant + // + span: $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [67], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) } + _1 = &(*_5); // bb1[2]: scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24 + StorageDead(_5); // bb1[3]: scope 0 at $DIR/uninhabited_enum_branching.rs:23:23: 23:24 + goto -> bb4; // bb1[4]: scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6 + } + + bb2: { + _1 = const "A(Empty)"; // bb2[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:21:24: 21:34 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [65, 40, 69, 109, 112, 116, 121, 41], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [255], len: Size { raw: 8 } }, size: Size { raw: 8 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 8 }) + // mir::Constant + // + span: $DIR/uninhabited_enum_branching.rs:21:24: 21:34 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [65, 40, 69, 109, 112, 116, 121, 41], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [255], len: Size { raw: 8 } }, size: Size { raw: 8 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 8 }) } + goto -> bb4; // bb2[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6 + } + + bb3: { + StorageLive(_4); // bb3[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34 + _4 = const "B(Empty)"; // bb3[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [66, 40, 69, 109, 112, 116, 121, 41], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [255], len: Size { raw: 8 } }, size: Size { raw: 8 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 8 }) + // mir::Constant + // + span: $DIR/uninhabited_enum_branching.rs:22:24: 22:34 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [66, 40, 69, 109, 112, 116, 121, 41], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [255], len: Size { raw: 8 } }, size: Size { raw: 8 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 8 }) } + _1 = &(*_4); // bb3[2]: scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34 + StorageDead(_4); // bb3[3]: scope 0 at $DIR/uninhabited_enum_branching.rs:22:33: 22:34 + goto -> bb4; // bb3[4]: scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6 + } + + bb4: { + StorageDead(_2); // bb4[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7 + StorageDead(_1); // bb4[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7 + StorageLive(_6); // bb4[2]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6 + StorageLive(_7); // bb4[3]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19 + _7 = Test2::D; // bb4[4]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19 + _8 = discriminant(_7); // bb4[5]: scope 0 at $DIR/uninhabited_enum_branching.rs:27:9: 27:17 + switchInt(move _8) -> [4isize: bb6, otherwise: bb5]; // bb4[6]: scope 0 at $DIR/uninhabited_enum_branching.rs:27:9: 27:17 + } + + bb5: { + StorageLive(_9); // bb5[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + _9 = const "E"; // bb5[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [69], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) + // mir::Constant + // + span: $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [69], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) } + _6 = &(*_9); // bb5[2]: scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 + StorageDead(_9); // bb5[3]: scope 0 at $DIR/uninhabited_enum_branching.rs:28:23: 28:24 + goto -> bb7; // bb5[4]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6 + } + + bb6: { + _6 = const "D"; // bb6[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:27:21: 27:24 + // ty::Const + // + ty: &str + // + val: Value(Slice { data: Allocation { bytes: [68], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) + // mir::Constant + // + span: $DIR/uninhabited_enum_branching.rs:27:21: 27:24 + // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [68], relocations: Relocations(SortedMap { data: [] }), undef_mask: UndefMask { blocks: [1], len: Size { raw: 1 } }, size: Size { raw: 1 }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) } + goto -> bb7; // bb6[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6 + } + + bb7: { + StorageDead(_7); // bb7[0]: scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7 + StorageDead(_6); // bb7[1]: scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7 + _0 = (); // bb7[2]: scope 0 at $DIR/uninhabited_enum_branching.rs:19:11: 30:2 + return; // bb7[3]: scope 0 at $DIR/uninhabited_enum_branching.rs:30:2: 30:2 + } + } + diff --git a/src/test/mir-opt/unreachable.rs b/src/test/mir-opt/unreachable.rs index fa5c1a074ee15..6f0c4ca3cf5ae 100644 --- a/src/test/mir-opt/unreachable.rs +++ b/src/test/mir-opt/unreachable.rs @@ -4,6 +4,7 @@ fn empty() -> Option { None } +// EMIT_MIR rustc.main.UnreachablePropagation.diff fn main() { if let Some(_x) = empty() { let mut _y; @@ -17,62 +18,3 @@ fn main() { match _x { } } } - -// END RUST SOURCE -// START rustc.main.UnreachablePropagation.before.mir -// bb0: { -// StorageLive(_1); -// _1 = const empty() -> bb1; -// } -// bb1: { -// _2 = discriminant(_1); -// switchInt(move _2) -> [1isize: bb3, otherwise: bb2]; -// } -// bb2: { -// _0 = (); -// StorageDead(_1); -// return; -// } -// bb3: { -// StorageLive(_3); -// _3 = move ((_1 as Some).0: Empty); -// StorageLive(_4); -// StorageLive(_5); -// StorageLive(_6); -// _6 = const true; -// switchInt(_6) -> [false: bb4, otherwise: bb5]; -// } -// bb4: { -// _4 = const 42i32; -// _5 = (); -// goto -> bb6; -// } -// bb5: { -// _4 = const 21i32; -// _5 = (); -// goto -> bb6; -// } -// bb6: { -// StorageDead(_6); -// StorageDead(_5); -// StorageLive(_7); -// unreachable; -// } -// } -// END rustc.main.UnreachablePropagation.before.mir -// START rustc.main.UnreachablePropagation.after.mir -// bb0: { -// StorageLive(_1); -// _1 = const empty() -> bb1; -// } -// bb1: { -// _2 = discriminant(_1); -// goto -> bb2; -// } -// bb2: { -// _0 = (); -// StorageDead(_1); -// return; -// } -// } -// END rustc.main.UnreachablePropagation.after.mir diff --git a/src/test/mir-opt/unreachable/rustc.main.UnreachablePropagation.diff b/src/test/mir-opt/unreachable/rustc.main.UnreachablePropagation.diff new file mode 100644 index 0000000000000..3a239c6e3b05f --- /dev/null +++ b/src/test/mir-opt/unreachable/rustc.main.UnreachablePropagation.diff @@ -0,0 +1,90 @@ +- // MIR for `main` before UnreachablePropagation ++ // MIR for `main` after UnreachablePropagation + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/unreachable.rs:8:11: 8:11 + let mut _1: std::option::Option; // in scope 0 at $DIR/unreachable.rs:9:23: 9:30 + let mut _2: isize; // in scope 0 at $DIR/unreachable.rs:9:12: 9:20 + let _3: Empty; // in scope 0 at $DIR/unreachable.rs:9:17: 9:19 + let _5: (); // in scope 0 at $DIR/unreachable.rs:12:9: 16:10 + let mut _6: bool; // in scope 0 at $DIR/unreachable.rs:12:12: 12:16 + let mut _7: !; // in scope 0 at $DIR/unreachable.rs:18:9: 18:21 + scope 1 { + debug _x => _3; // in scope 1 at $DIR/unreachable.rs:9:17: 9:19 + let mut _4: i32; // in scope 1 at $DIR/unreachable.rs:10:13: 10:19 + scope 2 { + debug _y => _4; // in scope 2 at $DIR/unreachable.rs:10:13: 10:19 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/unreachable.rs:9:23: 9:30 + _1 = const empty() -> bb1; // bb0[1]: scope 0 at $DIR/unreachable.rs:9:23: 9:30 + // ty::Const + // + ty: fn() -> std::option::Option {empty} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/unreachable.rs:9:23: 9:28 + // + literal: Const { ty: fn() -> std::option::Option {empty}, val: Value(Scalar()) } + } + + bb1: { + _2 = discriminant(_1); // bb1[0]: scope 0 at $DIR/unreachable.rs:9:12: 9:20 +- switchInt(move _2) -> [1isize: bb3, otherwise: bb2]; // bb1[1]: scope 0 at $DIR/unreachable.rs:9:12: 9:20 ++ goto -> bb2; // bb1[1]: scope 0 at $DIR/unreachable.rs:9:12: 9:20 + } + + bb2: { + _0 = (); // bb2[0]: scope 0 at $DIR/unreachable.rs:9:5: 19:6 + StorageDead(_1); // bb2[1]: scope 0 at $DIR/unreachable.rs:20:1: 20:2 + return; // bb2[2]: scope 0 at $DIR/unreachable.rs:20:2: 20:2 +- } +- +- bb3: { +- StorageLive(_3); // bb3[0]: scope 0 at $DIR/unreachable.rs:9:17: 9:19 +- _3 = move ((_1 as Some).0: Empty); // bb3[1]: scope 0 at $DIR/unreachable.rs:9:17: 9:19 +- StorageLive(_4); // bb3[2]: scope 1 at $DIR/unreachable.rs:10:13: 10:19 +- StorageLive(_5); // bb3[3]: scope 2 at $DIR/unreachable.rs:12:9: 16:10 +- StorageLive(_6); // bb3[4]: scope 2 at $DIR/unreachable.rs:12:12: 12:16 +- _6 = const true; // bb3[5]: scope 2 at $DIR/unreachable.rs:12:12: 12:16 +- // ty::Const +- // + ty: bool +- // + val: Value(Scalar(0x01)) +- // mir::Constant +- // + span: $DIR/unreachable.rs:12:12: 12:16 +- // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } +- switchInt(_6) -> [false: bb4, otherwise: bb5]; // bb3[6]: scope 2 at $DIR/unreachable.rs:12:9: 16:10 +- } +- +- bb4: { +- _4 = const 42i32; // bb4[0]: scope 2 at $DIR/unreachable.rs:15:13: 15:20 +- // ty::Const +- // + ty: i32 +- // + val: Value(Scalar(0x0000002a)) +- // mir::Constant +- // + span: $DIR/unreachable.rs:15:18: 15:20 +- // + literal: Const { ty: i32, val: Value(Scalar(0x0000002a)) } +- _5 = (); // bb4[1]: scope 2 at $DIR/unreachable.rs:14:16: 16:10 +- goto -> bb6; // bb4[2]: scope 2 at $DIR/unreachable.rs:12:9: 16:10 +- } +- +- bb5: { +- _4 = const 21i32; // bb5[0]: scope 2 at $DIR/unreachable.rs:13:13: 13:20 +- // ty::Const +- // + ty: i32 +- // + val: Value(Scalar(0x00000015)) +- // mir::Constant +- // + span: $DIR/unreachable.rs:13:18: 13:20 +- // + literal: Const { ty: i32, val: Value(Scalar(0x00000015)) } +- _5 = (); // bb5[1]: scope 2 at $DIR/unreachable.rs:12:17: 14:10 +- goto -> bb6; // bb5[2]: scope 2 at $DIR/unreachable.rs:12:9: 16:10 +- } +- +- bb6: { +- StorageDead(_6); // bb6[0]: scope 2 at $DIR/unreachable.rs:16:9: 16:10 +- StorageDead(_5); // bb6[1]: scope 2 at $DIR/unreachable.rs:16:9: 16:10 +- StorageLive(_7); // bb6[2]: scope 2 at $DIR/unreachable.rs:18:9: 18:21 +- unreachable; // bb6[3]: scope 2 at $DIR/unreachable.rs:18:15: 18:17 + } + } + diff --git a/src/test/mir-opt/unreachable_asm.rs b/src/test/mir-opt/unreachable_asm.rs index 990141657f467..4bbf22b822756 100644 --- a/src/test/mir-opt/unreachable_asm.rs +++ b/src/test/mir-opt/unreachable_asm.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![feature(llvm_asm)] enum Empty {} @@ -7,6 +6,7 @@ fn empty() -> Option { None } +// EMIT_MIR rustc.main.UnreachablePropagation.diff fn main() { if let Some(_x) = empty() { let mut _y; @@ -22,51 +22,3 @@ fn main() { match _x { } } } - -// END RUST SOURCE -// START rustc.main.UnreachablePropagation.before.mir -// bb4: { -// _4 = const 42i32; -// _5 = (); -// goto -> bb6; -// } -// bb5: { -// _4 = const 21i32; -// _5 = (); -// goto -> bb6; -// } -// bb6: { -// StorageDead(_6); -// StorageDead(_5); -// StorageLive(_7); -// llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); -// _7 = (); -// StorageDead(_7); -// StorageLive(_8); -// unreachable; -// } -// } -// END rustc.main.UnreachablePropagation.before.mir -// START rustc.main.UnreachablePropagation.after.mir -// bb4: { -// _4 = const 42i32; -// _5 = (); -// goto -> bb6; -// } -// bb5: { -// _4 = const 21i32; -// _5 = (); -// goto -> bb6; -// } -// bb6: { -// StorageDead(_6); -// StorageDead(_5); -// StorageLive(_7); -// llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); -// _7 = (); -// StorageDead(_7); -// StorageLive(_8); -// unreachable; -// } -// } -// END rustc.main.UnreachablePropagation.after.mir diff --git a/src/test/mir-opt/unreachable_asm/rustc.main.UnreachablePropagation.diff b/src/test/mir-opt/unreachable_asm/rustc.main.UnreachablePropagation.diff new file mode 100644 index 0000000000000..c32165a3893c7 --- /dev/null +++ b/src/test/mir-opt/unreachable_asm/rustc.main.UnreachablePropagation.diff @@ -0,0 +1,96 @@ +- // MIR for `main` before UnreachablePropagation ++ // MIR for `main` after UnreachablePropagation + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/unreachable_asm.rs:10:11: 10:11 + let mut _1: std::option::Option; // in scope 0 at $DIR/unreachable_asm.rs:11:23: 11:30 + let mut _2: isize; // in scope 0 at $DIR/unreachable_asm.rs:11:12: 11:20 + let _3: Empty; // in scope 0 at $DIR/unreachable_asm.rs:11:17: 11:19 + let _5: (); // in scope 0 at $DIR/unreachable_asm.rs:14:9: 18:10 + let mut _6: bool; // in scope 0 at $DIR/unreachable_asm.rs:14:12: 14:16 + let _7: (); // in scope 0 at $DIR/unreachable_asm.rs:21:9: 21:37 + let mut _8: !; // in scope 0 at $DIR/unreachable_asm.rs:22:9: 22:21 + scope 1 { + debug _x => _3; // in scope 1 at $DIR/unreachable_asm.rs:11:17: 11:19 + let mut _4: i32; // in scope 1 at $DIR/unreachable_asm.rs:12:13: 12:19 + scope 2 { + debug _y => _4; // in scope 2 at $DIR/unreachable_asm.rs:12:13: 12:19 + scope 3 { + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/unreachable_asm.rs:11:23: 11:30 + _1 = const empty() -> bb1; // bb0[1]: scope 0 at $DIR/unreachable_asm.rs:11:23: 11:30 + // ty::Const + // + ty: fn() -> std::option::Option {empty} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/unreachable_asm.rs:11:23: 11:28 + // + literal: Const { ty: fn() -> std::option::Option {empty}, val: Value(Scalar()) } + } + + bb1: { + _2 = discriminant(_1); // bb1[0]: scope 0 at $DIR/unreachable_asm.rs:11:12: 11:20 + switchInt(move _2) -> [1isize: bb3, otherwise: bb2]; // bb1[1]: scope 0 at $DIR/unreachable_asm.rs:11:12: 11:20 + } + + bb2: { + _0 = (); // bb2[0]: scope 0 at $DIR/unreachable_asm.rs:11:5: 23:6 + StorageDead(_1); // bb2[1]: scope 0 at $DIR/unreachable_asm.rs:24:1: 24:2 + return; // bb2[2]: scope 0 at $DIR/unreachable_asm.rs:24:2: 24:2 + } + + bb3: { + StorageLive(_3); // bb3[0]: scope 0 at $DIR/unreachable_asm.rs:11:17: 11:19 + _3 = move ((_1 as Some).0: Empty); // bb3[1]: scope 0 at $DIR/unreachable_asm.rs:11:17: 11:19 + StorageLive(_4); // bb3[2]: scope 1 at $DIR/unreachable_asm.rs:12:13: 12:19 + StorageLive(_5); // bb3[3]: scope 2 at $DIR/unreachable_asm.rs:14:9: 18:10 + StorageLive(_6); // bb3[4]: scope 2 at $DIR/unreachable_asm.rs:14:12: 14:16 + _6 = const true; // bb3[5]: scope 2 at $DIR/unreachable_asm.rs:14:12: 14:16 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/unreachable_asm.rs:14:12: 14:16 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + switchInt(_6) -> [false: bb4, otherwise: bb5]; // bb3[6]: scope 2 at $DIR/unreachable_asm.rs:14:9: 18:10 + } + + bb4: { + _4 = const 42i32; // bb4[0]: scope 2 at $DIR/unreachable_asm.rs:17:13: 17:20 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/unreachable_asm.rs:17:18: 17:20 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000002a)) } + _5 = (); // bb4[1]: scope 2 at $DIR/unreachable_asm.rs:16:16: 18:10 + goto -> bb6; // bb4[2]: scope 2 at $DIR/unreachable_asm.rs:14:9: 18:10 + } + + bb5: { + _4 = const 21i32; // bb5[0]: scope 2 at $DIR/unreachable_asm.rs:15:13: 15:20 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000015)) + // mir::Constant + // + span: $DIR/unreachable_asm.rs:15:18: 15:20 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000015)) } + _5 = (); // bb5[1]: scope 2 at $DIR/unreachable_asm.rs:14:17: 16:10 + goto -> bb6; // bb5[2]: scope 2 at $DIR/unreachable_asm.rs:14:9: 18:10 + } + + bb6: { + StorageDead(_6); // bb6[0]: scope 2 at $DIR/unreachable_asm.rs:18:9: 18:10 + StorageDead(_5); // bb6[1]: scope 2 at $DIR/unreachable_asm.rs:18:9: 18:10 + StorageLive(_7); // bb6[2]: scope 2 at $DIR/unreachable_asm.rs:21:9: 21:37 + llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); // bb6[3]: scope 3 at $DIR/unreachable_asm.rs:21:18: 21:35 + _7 = (); // bb6[4]: scope 3 at $DIR/unreachable_asm.rs:21:9: 21:37 + StorageDead(_7); // bb6[5]: scope 2 at $DIR/unreachable_asm.rs:21:36: 21:37 + StorageLive(_8); // bb6[6]: scope 2 at $DIR/unreachable_asm.rs:22:9: 22:21 + unreachable; // bb6[7]: scope 2 at $DIR/unreachable_asm.rs:22:15: 22:17 + } + } + diff --git a/src/test/mir-opt/unreachable_asm_2.rs b/src/test/mir-opt/unreachable_asm_2.rs index 0851e24d410e7..f1610db999ecb 100644 --- a/src/test/mir-opt/unreachable_asm_2.rs +++ b/src/test/mir-opt/unreachable_asm_2.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![feature(llvm_asm)] enum Empty {} @@ -7,6 +6,7 @@ fn empty() -> Option { None } +// EMIT_MIR rustc.main.UnreachablePropagation.diff fn main() { if let Some(_x) = empty() { let mut _y; @@ -24,61 +24,3 @@ fn main() { match _x { } } } - -// END RUST SOURCE -// START rustc.main.UnreachablePropagation.before.mir -// bb3: { -// ... -// switchInt(_6) -> [false: bb4, otherwise: bb5]; -// } -// bb4: { -// StorageLive(_8); -// llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); -// _8 = (); -// StorageDead(_8); -// _4 = const 42i32; -// _5 = (); -// goto -> bb6; -// } -// bb5: { -// StorageLive(_7); -// llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); -// _7 = (); -// StorageDead(_7); -// _4 = const 21i32; -// _5 = (); -// goto -> bb6; -// } -// bb6: { -// StorageDead(_6); -// StorageDead(_5); -// StorageLive(_9); -// unreachable; -// } -// } -// END rustc.main.UnreachablePropagation.before.mir -// START rustc.main.UnreachablePropagation.after.mir -// bb3: { -// ... -// switchInt(_6) -> [false: bb4, otherwise: bb5]; -// } -// bb4: { -// StorageLive(_8); -// llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); -// _8 = (); -// StorageDead(_8); -// _4 = const 42i32; -// _5 = (); -// unreachable; -// } -// bb5: { -// StorageLive(_7); -// llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); -// _7 = (); -// StorageDead(_7); -// _4 = const 21i32; -// _5 = (); -// unreachable; -// } -// } -// END rustc.main.UnreachablePropagation.after.mir diff --git a/src/test/mir-opt/unreachable_asm_2/rustc.main.UnreachablePropagation.diff b/src/test/mir-opt/unreachable_asm_2/rustc.main.UnreachablePropagation.diff new file mode 100644 index 0000000000000..a374178756658 --- /dev/null +++ b/src/test/mir-opt/unreachable_asm_2/rustc.main.UnreachablePropagation.diff @@ -0,0 +1,105 @@ +- // MIR for `main` before UnreachablePropagation ++ // MIR for `main` after UnreachablePropagation + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/unreachable_asm_2.rs:10:11: 10:11 + let mut _1: std::option::Option; // in scope 0 at $DIR/unreachable_asm_2.rs:11:23: 11:30 + let mut _2: isize; // in scope 0 at $DIR/unreachable_asm_2.rs:11:12: 11:20 + let _3: Empty; // in scope 0 at $DIR/unreachable_asm_2.rs:11:17: 11:19 + let _5: (); // in scope 0 at $DIR/unreachable_asm_2.rs:14:9: 22:10 + let mut _6: bool; // in scope 0 at $DIR/unreachable_asm_2.rs:14:12: 14:16 + let _7: (); // in scope 0 at $DIR/unreachable_asm_2.rs:16:13: 16:41 + let _8: (); // in scope 0 at $DIR/unreachable_asm_2.rs:20:13: 20:41 + let mut _9: !; // in scope 0 at $DIR/unreachable_asm_2.rs:24:9: 24:21 + scope 1 { + debug _x => _3; // in scope 1 at $DIR/unreachable_asm_2.rs:11:17: 11:19 + let mut _4: i32; // in scope 1 at $DIR/unreachable_asm_2.rs:12:13: 12:19 + scope 2 { + debug _y => _4; // in scope 2 at $DIR/unreachable_asm_2.rs:12:13: 12:19 + scope 3 { + } + scope 4 { + } + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/unreachable_asm_2.rs:11:23: 11:30 + _1 = const empty() -> bb1; // bb0[1]: scope 0 at $DIR/unreachable_asm_2.rs:11:23: 11:30 + // ty::Const + // + ty: fn() -> std::option::Option {empty} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/unreachable_asm_2.rs:11:23: 11:28 + // + literal: Const { ty: fn() -> std::option::Option {empty}, val: Value(Scalar()) } + } + + bb1: { + _2 = discriminant(_1); // bb1[0]: scope 0 at $DIR/unreachable_asm_2.rs:11:12: 11:20 + switchInt(move _2) -> [1isize: bb3, otherwise: bb2]; // bb1[1]: scope 0 at $DIR/unreachable_asm_2.rs:11:12: 11:20 + } + + bb2: { + _0 = (); // bb2[0]: scope 0 at $DIR/unreachable_asm_2.rs:11:5: 25:6 + StorageDead(_1); // bb2[1]: scope 0 at $DIR/unreachable_asm_2.rs:26:1: 26:2 + return; // bb2[2]: scope 0 at $DIR/unreachable_asm_2.rs:26:2: 26:2 + } + + bb3: { + StorageLive(_3); // bb3[0]: scope 0 at $DIR/unreachable_asm_2.rs:11:17: 11:19 + _3 = move ((_1 as Some).0: Empty); // bb3[1]: scope 0 at $DIR/unreachable_asm_2.rs:11:17: 11:19 + StorageLive(_4); // bb3[2]: scope 1 at $DIR/unreachable_asm_2.rs:12:13: 12:19 + StorageLive(_5); // bb3[3]: scope 2 at $DIR/unreachable_asm_2.rs:14:9: 22:10 + StorageLive(_6); // bb3[4]: scope 2 at $DIR/unreachable_asm_2.rs:14:12: 14:16 + _6 = const true; // bb3[5]: scope 2 at $DIR/unreachable_asm_2.rs:14:12: 14:16 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/unreachable_asm_2.rs:14:12: 14:16 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + switchInt(_6) -> [false: bb4, otherwise: bb5]; // bb3[6]: scope 2 at $DIR/unreachable_asm_2.rs:14:9: 22:10 + } + + bb4: { + StorageLive(_8); // bb4[0]: scope 2 at $DIR/unreachable_asm_2.rs:20:13: 20:41 + llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); // bb4[1]: scope 4 at $DIR/unreachable_asm_2.rs:20:22: 20:39 + _8 = (); // bb4[2]: scope 4 at $DIR/unreachable_asm_2.rs:20:13: 20:41 + StorageDead(_8); // bb4[3]: scope 2 at $DIR/unreachable_asm_2.rs:20:40: 20:41 + _4 = const 42i32; // bb4[4]: scope 2 at $DIR/unreachable_asm_2.rs:21:13: 21:20 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/unreachable_asm_2.rs:21:18: 21:20 + // + literal: Const { ty: i32, val: Value(Scalar(0x0000002a)) } + _5 = (); // bb4[5]: scope 2 at $DIR/unreachable_asm_2.rs:18:16: 22:10 +- goto -> bb6; // bb4[6]: scope 2 at $DIR/unreachable_asm_2.rs:14:9: 22:10 ++ unreachable; // bb4[6]: scope 2 at $DIR/unreachable_asm_2.rs:14:9: 22:10 + } + + bb5: { + StorageLive(_7); // bb5[0]: scope 2 at $DIR/unreachable_asm_2.rs:16:13: 16:41 + llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); // bb5[1]: scope 3 at $DIR/unreachable_asm_2.rs:16:22: 16:39 + _7 = (); // bb5[2]: scope 3 at $DIR/unreachable_asm_2.rs:16:13: 16:41 + StorageDead(_7); // bb5[3]: scope 2 at $DIR/unreachable_asm_2.rs:16:40: 16:41 + _4 = const 21i32; // bb5[4]: scope 2 at $DIR/unreachable_asm_2.rs:17:13: 17:20 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000015)) + // mir::Constant + // + span: $DIR/unreachable_asm_2.rs:17:18: 17:20 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000015)) } + _5 = (); // bb5[5]: scope 2 at $DIR/unreachable_asm_2.rs:14:17: 18:10 +- goto -> bb6; // bb5[6]: scope 2 at $DIR/unreachable_asm_2.rs:14:9: 22:10 +- } +- +- bb6: { +- StorageDead(_6); // bb6[0]: scope 2 at $DIR/unreachable_asm_2.rs:22:9: 22:10 +- StorageDead(_5); // bb6[1]: scope 2 at $DIR/unreachable_asm_2.rs:22:9: 22:10 +- StorageLive(_9); // bb6[2]: scope 2 at $DIR/unreachable_asm_2.rs:24:9: 24:21 +- unreachable; // bb6[3]: scope 2 at $DIR/unreachable_asm_2.rs:24:15: 24:17 ++ unreachable; // bb5[6]: scope 2 at $DIR/unreachable_asm_2.rs:14:9: 22:10 + } + } + diff --git a/src/test/mir-opt/unreachable_diverging.rs b/src/test/mir-opt/unreachable_diverging.rs index bf05019d5ced1..53c753f717bd0 100644 --- a/src/test/mir-opt/unreachable_diverging.rs +++ b/src/test/mir-opt/unreachable_diverging.rs @@ -8,6 +8,7 @@ fn loop_forever() { loop {} } +// EMIT_MIR rustc.main.UnreachablePropagation.diff fn main() { let x = true; if let Some(bomb) = empty() { @@ -17,49 +18,3 @@ fn main() { match bomb {} } } - -// END RUST SOURCE -// START rustc.main.UnreachablePropagation.before.mir -// bb3: { -// StorageLive(_4); -// _4 = move ((_2 as Some).0: Empty); -// StorageLive(_5); -// StorageLive(_6); -// _6 = _1; -// switchInt(_6) -> [false: bb4, otherwise: bb5]; -// } -// bb4: { -// _5 = (); -// goto -> bb6; -// } -// bb5: { -// _5 = const loop_forever() -> bb6; -// } -// bb6: { -// StorageDead(_6); -// StorageDead(_5); -// StorageLive(_7); -// unreachable; -// } -// } -// END rustc.main.UnreachablePropagation.before.mir -// START rustc.main.UnreachablePropagation.after.mir -// bb3: { -// StorageLive(_4); -// _4 = move ((_2 as Some).0: Empty); -// StorageLive(_5); -// StorageLive(_6); -// _6 = _1; -// goto -> bb4; -// } -// bb4: { -// _5 = const loop_forever() -> bb5; -// } -// bb5: { -// StorageDead(_6); -// StorageDead(_5); -// StorageLive(_7); -// unreachable; -// } -// } -// END rustc.main.UnreachablePropagation.after.mir diff --git a/src/test/mir-opt/unreachable_diverging/rustc.main.UnreachablePropagation.diff b/src/test/mir-opt/unreachable_diverging/rustc.main.UnreachablePropagation.diff new file mode 100644 index 0000000000000..8d1d137f192ec --- /dev/null +++ b/src/test/mir-opt/unreachable_diverging/rustc.main.UnreachablePropagation.diff @@ -0,0 +1,89 @@ +- // MIR for `main` before UnreachablePropagation ++ // MIR for `main` after UnreachablePropagation + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/unreachable_diverging.rs:12:11: 12:11 + let _1: bool; // in scope 0 at $DIR/unreachable_diverging.rs:13:9: 13:10 + let mut _2: std::option::Option; // in scope 0 at $DIR/unreachable_diverging.rs:14:25: 14:32 + let mut _3: isize; // in scope 0 at $DIR/unreachable_diverging.rs:14:12: 14:22 + let _5: (); // in scope 0 at $DIR/unreachable_diverging.rs:15:9: 17:10 + let mut _6: bool; // in scope 0 at $DIR/unreachable_diverging.rs:15:12: 15:13 + let mut _7: !; // in scope 0 at $DIR/unreachable_diverging.rs:18:9: 18:22 + scope 1 { + debug x => _1; // in scope 1 at $DIR/unreachable_diverging.rs:13:9: 13:10 + let _4: Empty; // in scope 1 at $DIR/unreachable_diverging.rs:14:17: 14:21 + scope 2 { + debug bomb => _4; // in scope 2 at $DIR/unreachable_diverging.rs:14:17: 14:21 + } + } + + bb0: { + StorageLive(_1); // bb0[0]: scope 0 at $DIR/unreachable_diverging.rs:13:9: 13:10 + _1 = const true; // bb0[1]: scope 0 at $DIR/unreachable_diverging.rs:13:13: 13:17 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/unreachable_diverging.rs:13:13: 13:17 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + StorageLive(_2); // bb0[2]: scope 1 at $DIR/unreachable_diverging.rs:14:25: 14:32 + _2 = const empty() -> bb1; // bb0[3]: scope 1 at $DIR/unreachable_diverging.rs:14:25: 14:32 + // ty::Const + // + ty: fn() -> std::option::Option {empty} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/unreachable_diverging.rs:14:25: 14:30 + // + literal: Const { ty: fn() -> std::option::Option {empty}, val: Value(Scalar()) } + } + + bb1: { + _3 = discriminant(_2); // bb1[0]: scope 1 at $DIR/unreachable_diverging.rs:14:12: 14:22 + switchInt(move _3) -> [1isize: bb3, otherwise: bb2]; // bb1[1]: scope 1 at $DIR/unreachable_diverging.rs:14:12: 14:22 + } + + bb2: { + _0 = (); // bb2[0]: scope 1 at $DIR/unreachable_diverging.rs:14:5: 19:6 + StorageDead(_1); // bb2[1]: scope 0 at $DIR/unreachable_diverging.rs:20:1: 20:2 + StorageDead(_2); // bb2[2]: scope 0 at $DIR/unreachable_diverging.rs:20:1: 20:2 + return; // bb2[3]: scope 0 at $DIR/unreachable_diverging.rs:20:2: 20:2 + } + + bb3: { + StorageLive(_4); // bb3[0]: scope 1 at $DIR/unreachable_diverging.rs:14:17: 14:21 + _4 = move ((_2 as Some).0: Empty); // bb3[1]: scope 1 at $DIR/unreachable_diverging.rs:14:17: 14:21 + StorageLive(_5); // bb3[2]: scope 2 at $DIR/unreachable_diverging.rs:15:9: 17:10 + StorageLive(_6); // bb3[3]: scope 2 at $DIR/unreachable_diverging.rs:15:12: 15:13 + _6 = _1; // bb3[4]: scope 2 at $DIR/unreachable_diverging.rs:15:12: 15:13 +- switchInt(_6) -> [false: bb4, otherwise: bb5]; // bb3[5]: scope 2 at $DIR/unreachable_diverging.rs:15:9: 17:10 ++ goto -> bb4; // bb3[5]: scope 2 at $DIR/unreachable_diverging.rs:15:9: 17:10 + } + + bb4: { +- _5 = (); // bb4[0]: scope 2 at $DIR/unreachable_diverging.rs:15:9: 17:10 +- goto -> bb6; // bb4[1]: scope 2 at $DIR/unreachable_diverging.rs:15:9: 17:10 +- } +- +- bb5: { +- _5 = const loop_forever() -> bb6; // bb5[0]: scope 2 at $DIR/unreachable_diverging.rs:16:13: 16:27 ++ _5 = const loop_forever() -> bb5; // bb4[0]: scope 2 at $DIR/unreachable_diverging.rs:16:13: 16:27 + // ty::Const + // + ty: fn() {loop_forever} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/unreachable_diverging.rs:16:13: 16:25 + // + literal: Const { ty: fn() {loop_forever}, val: Value(Scalar()) } + } + +- bb6: { +- StorageDead(_6); // bb6[0]: scope 2 at $DIR/unreachable_diverging.rs:17:9: 17:10 +- StorageDead(_5); // bb6[1]: scope 2 at $DIR/unreachable_diverging.rs:17:9: 17:10 +- StorageLive(_7); // bb6[2]: scope 2 at $DIR/unreachable_diverging.rs:18:9: 18:22 +- unreachable; // bb6[3]: scope 2 at $DIR/unreachable_diverging.rs:18:15: 18:19 ++ bb5: { ++ StorageDead(_6); // bb5[0]: scope 2 at $DIR/unreachable_diverging.rs:17:9: 17:10 ++ StorageDead(_5); // bb5[1]: scope 2 at $DIR/unreachable_diverging.rs:17:9: 17:10 ++ StorageLive(_7); // bb5[2]: scope 2 at $DIR/unreachable_diverging.rs:18:9: 18:22 ++ unreachable; // bb5[3]: scope 2 at $DIR/unreachable_diverging.rs:18:15: 18:19 + } + } + diff --git a/src/test/mir-opt/unusual-item-types.rs b/src/test/mir-opt/unusual-item-types.rs index 88cfb62a0d094..ffe8ca01dfb4a 100644 --- a/src/test/mir-opt/unusual-item-types.rs +++ b/src/test/mir-opt/unusual-item-types.rs @@ -1,86 +1,29 @@ // Test that we don't ICE when trying to dump MIR for unusual item types and // that we don't create filenames containing `<` and `>` -// ignore-tidy-linelength + +// EMIT_MIR_FOR_EACH_BIT_WIDTH struct A; +// EMIT_MIR rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir impl A { const ASSOCIATED_CONSTANT: i32 = 2; } // See #59021 +// EMIT_MIR rustc.Test-X-{{constructor}}.mir_map.0.mir enum Test { X(usize), Y { a: usize }, } +// EMIT_MIR rustc.E-V-{{constant}}.mir_map.0.mir enum E { V = 5, } fn main() { let f = Test::X as fn(usize) -> Test; +// EMIT_MIR rustc.ptr-drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir let v = Vec::::new(); } - -// END RUST SOURCE - -// START rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir -// bb0: { -// _0 = const 2i32; -// return; -// } -// bb1 (cleanup): { -// resume; -// } -// END rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir - -// START rustc.E-V-{{constant}}.mir_map.0.mir -// bb0: { -// _0 = const 5isize; -// return; -// } -// bb1 (cleanup): { -// resume; -// } -// END rustc.E-V-{{constant}}.mir_map.0.mir - -// START rustc.ptr-drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir -// bb0: { -// goto -> bb7; -// } -// bb1: { -// return; -// } -// bb2 (cleanup): { -// resume; -// } -// bb3: { -// goto -> bb1; -// } -// bb4 (cleanup): { -// goto -> bb2; -// } -// bb5 (cleanup): { -// drop(((*_1).0: alloc::raw_vec::RawVec)) -> bb4; -// } -// bb6: { -// drop(((*_1).0: alloc::raw_vec::RawVec)) -> [return: bb3, unwind: bb4]; -// } -// bb7: { -// _2 = &mut (*_1); -// _3 = const as std::ops::Drop>::drop(move _2) -> [return: bb6, unwind: bb5]; -// } -// END rustc.ptr-drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir - -// START rustc.Test-X-{{constructor}}.mir_map.0.mir -// fn Test::X(_1: usize) -> Test { -// let mut _0: Test; -// -// bb0: { -// ((_0 as X).0: usize) = move _1; -// discriminant(_0) = 0; -// return; -// } -// } -// END rustc.Test-X-{{constructor}}.mir_map.0.mir diff --git a/src/test/mir-opt/unusual-item-types/32bit/rustc.E-V-{{constant}}.mir_map.0.mir b/src/test/mir-opt/unusual-item-types/32bit/rustc.E-V-{{constant}}.mir_map.0.mir new file mode 100644 index 0000000000000..3dc8cea1fe8e1 --- /dev/null +++ b/src/test/mir-opt/unusual-item-types/32bit/rustc.E-V-{{constant}}.mir_map.0.mir @@ -0,0 +1,20 @@ +// MIR for `E::V::{{constant}}#0` 0 mir_map + +E::V::{{constant}}#0: isize = { + let mut _0: isize; // return place in scope 0 at $DIR/unusual-item-types.rs:22:9: 22:10 + + bb0: { + _0 = const 5isize; // bb0[0]: scope 0 at $DIR/unusual-item-types.rs:22:9: 22:10 + // ty::Const + // + ty: isize + // + val: Value(Scalar(0x00000005)) + // mir::Constant + // + span: $DIR/unusual-item-types.rs:22:9: 22:10 + // + literal: Const { ty: isize, val: Value(Scalar(0x00000005)) } + return; // bb0[1]: scope 0 at $DIR/unusual-item-types.rs:22:9: 22:10 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/unusual-item-types.rs:22:9: 22:10 + } +} diff --git a/src/test/mir-opt/unusual-item-types/32bit/rustc.Test-X-{{constructor}}.mir_map.0.mir b/src/test/mir-opt/unusual-item-types/32bit/rustc.Test-X-{{constructor}}.mir_map.0.mir new file mode 100644 index 0000000000000..d6ce06246a16d --- /dev/null +++ b/src/test/mir-opt/unusual-item-types/32bit/rustc.Test-X-{{constructor}}.mir_map.0.mir @@ -0,0 +1,11 @@ +// MIR for `Test::X` 0 mir_map + +fn Test::X(_1: usize) -> Test { + let mut _0: Test; // return place in scope 0 at $DIR/unusual-item-types.rs:16:5: 16:13 + + bb0: { + ((_0 as X).0: usize) = move _1; // bb0[0]: scope 0 at $DIR/unusual-item-types.rs:16:5: 16:13 + discriminant(_0) = 0; // bb0[1]: scope 0 at $DIR/unusual-item-types.rs:16:5: 16:13 + return; // bb0[2]: scope 0 at $DIR/unusual-item-types.rs:16:5: 16:13 + } +} diff --git a/src/test/mir-opt/unusual-item-types/32bit/rustc.ptr-drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir b/src/test/mir-opt/unusual-item-types/32bit/rustc.ptr-drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir new file mode 100644 index 0000000000000..b78480e774c65 --- /dev/null +++ b/src/test/mir-opt/unusual-item-types/32bit/rustc.ptr-drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir @@ -0,0 +1,46 @@ +// MIR for `std::intrinsics::drop_in_place` before AddMovesForPackedDrops + +fn std::intrinsics::drop_in_place(_1: *mut std::vec::Vec) -> () { + let mut _0: (); // return place in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _2: &mut std::vec::Vec; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _3: (); // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + + bb0: { + goto -> bb7; // bb0[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb1: { + return; // bb1[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb2 (cleanup): { + resume; // bb2[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb3: { + goto -> bb1; // bb3[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb4 (cleanup): { + goto -> bb2; // bb4[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb5 (cleanup): { + drop(((*_1).0: alloc::raw_vec::RawVec)) -> bb4; // bb5[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb6: { + drop(((*_1).0: alloc::raw_vec::RawVec)) -> [return: bb3, unwind: bb4]; // bb6[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb7: { + _2 = &mut (*_1); // bb7[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _3 = const as std::ops::Drop>::drop(move _2) -> [return: bb6, unwind: bb5]; // bb7[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: for<'r> fn(&'r mut std::vec::Vec) { as std::ops::Drop>::drop} + // + val: Value(Scalar()) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: for<'r> fn(&'r mut std::vec::Vec) { as std::ops::Drop>::drop}, val: Value(Scalar()) } + } +} diff --git a/src/test/mir-opt/unusual-item-types/32bit/rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir b/src/test/mir-opt/unusual-item-types/32bit/rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir new file mode 100644 index 0000000000000..9f65819bcf8d3 --- /dev/null +++ b/src/test/mir-opt/unusual-item-types/32bit/rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir @@ -0,0 +1,20 @@ +// MIR for `::ASSOCIATED_CONSTANT` 0 mir_map + +const ::ASSOCIATED_CONSTANT: i32 = { + let mut _0: i32; // return place in scope 0 at $DIR/unusual-item-types.rs:10:32: 10:35 + + bb0: { + _0 = const 2i32; // bb0[0]: scope 0 at $DIR/unusual-item-types.rs:10:38: 10:39 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/unusual-item-types.rs:10:38: 10:39 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + return; // bb0[1]: scope 0 at $DIR/unusual-item-types.rs:10:5: 10:40 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/unusual-item-types.rs:10:5: 10:40 + } +} diff --git a/src/test/mir-opt/unusual-item-types/64bit/rustc.E-V-{{constant}}.mir_map.0.mir b/src/test/mir-opt/unusual-item-types/64bit/rustc.E-V-{{constant}}.mir_map.0.mir new file mode 100644 index 0000000000000..8434ff47f1c64 --- /dev/null +++ b/src/test/mir-opt/unusual-item-types/64bit/rustc.E-V-{{constant}}.mir_map.0.mir @@ -0,0 +1,20 @@ +// MIR for `E::V::{{constant}}#0` 0 mir_map + +E::V::{{constant}}#0: isize = { + let mut _0: isize; // return place in scope 0 at $DIR/unusual-item-types.rs:22:9: 22:10 + + bb0: { + _0 = const 5isize; // bb0[0]: scope 0 at $DIR/unusual-item-types.rs:22:9: 22:10 + // ty::Const + // + ty: isize + // + val: Value(Scalar(0x0000000000000005)) + // mir::Constant + // + span: $DIR/unusual-item-types.rs:22:9: 22:10 + // + literal: Const { ty: isize, val: Value(Scalar(0x0000000000000005)) } + return; // bb0[1]: scope 0 at $DIR/unusual-item-types.rs:22:9: 22:10 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/unusual-item-types.rs:22:9: 22:10 + } +} diff --git a/src/test/mir-opt/unusual-item-types/64bit/rustc.Test-X-{{constructor}}.mir_map.0.mir b/src/test/mir-opt/unusual-item-types/64bit/rustc.Test-X-{{constructor}}.mir_map.0.mir new file mode 100644 index 0000000000000..d6ce06246a16d --- /dev/null +++ b/src/test/mir-opt/unusual-item-types/64bit/rustc.Test-X-{{constructor}}.mir_map.0.mir @@ -0,0 +1,11 @@ +// MIR for `Test::X` 0 mir_map + +fn Test::X(_1: usize) -> Test { + let mut _0: Test; // return place in scope 0 at $DIR/unusual-item-types.rs:16:5: 16:13 + + bb0: { + ((_0 as X).0: usize) = move _1; // bb0[0]: scope 0 at $DIR/unusual-item-types.rs:16:5: 16:13 + discriminant(_0) = 0; // bb0[1]: scope 0 at $DIR/unusual-item-types.rs:16:5: 16:13 + return; // bb0[2]: scope 0 at $DIR/unusual-item-types.rs:16:5: 16:13 + } +} diff --git a/src/test/mir-opt/unusual-item-types/64bit/rustc.ptr-drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir b/src/test/mir-opt/unusual-item-types/64bit/rustc.ptr-drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir new file mode 100644 index 0000000000000..b78480e774c65 --- /dev/null +++ b/src/test/mir-opt/unusual-item-types/64bit/rustc.ptr-drop_in_place.std__vec__Vec_i32_.AddMovesForPackedDrops.before.mir @@ -0,0 +1,46 @@ +// MIR for `std::intrinsics::drop_in_place` before AddMovesForPackedDrops + +fn std::intrinsics::drop_in_place(_1: *mut std::vec::Vec) -> () { + let mut _0: (); // return place in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _2: &mut std::vec::Vec; // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + let mut _3: (); // in scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + + bb0: { + goto -> bb7; // bb0[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb1: { + return; // bb1[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb2 (cleanup): { + resume; // bb2[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb3: { + goto -> bb1; // bb3[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb4 (cleanup): { + goto -> bb2; // bb4[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb5 (cleanup): { + drop(((*_1).0: alloc::raw_vec::RawVec)) -> bb4; // bb5[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb6: { + drop(((*_1).0: alloc::raw_vec::RawVec)) -> [return: bb3, unwind: bb4]; // bb6[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + } + + bb7: { + _2 = &mut (*_1); // bb7[0]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + _3 = const as std::ops::Drop>::drop(move _2) -> [return: bb6, unwind: bb5]; // bb7[1]: scope 0 at $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // ty::Const + // + ty: for<'r> fn(&'r mut std::vec::Vec) { as std::ops::Drop>::drop} + // + val: Value(Scalar()) + // mir::Constant + // + span: $SRC_DIR/libcore/ptr/mod.rs:LL:COL + // + literal: Const { ty: for<'r> fn(&'r mut std::vec::Vec) { as std::ops::Drop>::drop}, val: Value(Scalar()) } + } +} diff --git a/src/test/mir-opt/unusual-item-types/64bit/rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir b/src/test/mir-opt/unusual-item-types/64bit/rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir new file mode 100644 index 0000000000000..9f65819bcf8d3 --- /dev/null +++ b/src/test/mir-opt/unusual-item-types/64bit/rustc.{{impl}}-ASSOCIATED_CONSTANT.mir_map.0.mir @@ -0,0 +1,20 @@ +// MIR for `::ASSOCIATED_CONSTANT` 0 mir_map + +const ::ASSOCIATED_CONSTANT: i32 = { + let mut _0: i32; // return place in scope 0 at $DIR/unusual-item-types.rs:10:32: 10:35 + + bb0: { + _0 = const 2i32; // bb0[0]: scope 0 at $DIR/unusual-item-types.rs:10:38: 10:39 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000002)) + // mir::Constant + // + span: $DIR/unusual-item-types.rs:10:38: 10:39 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + return; // bb0[1]: scope 0 at $DIR/unusual-item-types.rs:10:5: 10:40 + } + + bb1 (cleanup): { + resume; // bb1[0]: scope 0 at $DIR/unusual-item-types.rs:10:5: 10:40 + } +} diff --git a/src/test/mir-opt/while-storage.rs b/src/test/mir-opt/while-storage.rs index 86c3f79d3a706..56f6c3380a719 100644 --- a/src/test/mir-opt/while-storage.rs +++ b/src/test/mir-opt/while-storage.rs @@ -5,6 +5,7 @@ fn get_bool(c: bool) -> bool { c } +// EMIT_MIR rustc.while_loop.PreCodegen.after.mir fn while_loop(c: bool) { while get_bool(c) { if get_bool(c) { @@ -16,41 +17,3 @@ fn while_loop(c: bool) { fn main() { while_loop(false); } - -// END RUST SOURCE - -// START rustc.while_loop.PreCodegen.after.mir -// bb0: { -// StorageLive(_2); -// StorageLive(_3); -// _3 = _1; -// _2 = const get_bool(move _3) -> bb1; -// } -// bb1: { -// StorageDead(_3); -// switchInt(_2) -> [false: bb6, otherwise: bb2]; -// } -// bb2: { -// StorageLive(_4); -// StorageLive(_5); -// _5 = _1; -// _4 = const get_bool(move _5) -> bb3; -// } -// bb3: { -// StorageDead(_5); -// switchInt(_4) -> [false: bb4, otherwise: bb5]; -// } -// bb4: { -// StorageDead(_4); -// StorageDead(_2); -// goto -> bb0; -// } -// bb5: { -// StorageDead(_4); -// goto -> bb6; -// } -// bb6: { -// StorageDead(_2); -// return; -// } -// END rustc.while_loop.PreCodegen.after.mir diff --git a/src/test/mir-opt/while-storage/rustc.while_loop.PreCodegen.after.mir b/src/test/mir-opt/while-storage/rustc.while_loop.PreCodegen.after.mir new file mode 100644 index 0000000000000..8fadcb8c12f30 --- /dev/null +++ b/src/test/mir-opt/while-storage/rustc.while_loop.PreCodegen.after.mir @@ -0,0 +1,62 @@ +// MIR for `while_loop` after PreCodegen + +fn while_loop(_1: bool) -> () { + debug c => _1; // in scope 0 at $DIR/while-storage.rs:9:15: 9:16 + let mut _0: (); // return place in scope 0 at $DIR/while-storage.rs:9:24: 9:24 + let mut _2: bool; // in scope 0 at $DIR/while-storage.rs:10:11: 10:22 + let mut _3: bool; // in scope 0 at $DIR/while-storage.rs:10:20: 10:21 + let mut _4: bool; // in scope 0 at $DIR/while-storage.rs:11:12: 11:23 + let mut _5: bool; // in scope 0 at $DIR/while-storage.rs:11:21: 11:22 + + bb0: { + StorageLive(_2); // bb0[0]: scope 0 at $DIR/while-storage.rs:10:11: 10:22 + StorageLive(_3); // bb0[1]: scope 0 at $DIR/while-storage.rs:10:20: 10:21 + _3 = _1; // bb0[2]: scope 0 at $DIR/while-storage.rs:10:20: 10:21 + _2 = const get_bool(move _3) -> bb1; // bb0[3]: scope 0 at $DIR/while-storage.rs:10:11: 10:22 + // ty::Const + // + ty: fn(bool) -> bool {get_bool} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/while-storage.rs:10:11: 10:19 + // + literal: Const { ty: fn(bool) -> bool {get_bool}, val: Value(Scalar()) } + } + + bb1: { + StorageDead(_3); // bb1[0]: scope 0 at $DIR/while-storage.rs:10:21: 10:22 + switchInt(_2) -> [false: bb6, otherwise: bb2]; // bb1[1]: scope 0 at $DIR/while-storage.rs:10:5: 14:6 + } + + bb2: { + StorageLive(_4); // bb2[0]: scope 0 at $DIR/while-storage.rs:11:12: 11:23 + StorageLive(_5); // bb2[1]: scope 0 at $DIR/while-storage.rs:11:21: 11:22 + _5 = _1; // bb2[2]: scope 0 at $DIR/while-storage.rs:11:21: 11:22 + _4 = const get_bool(move _5) -> bb3; // bb2[3]: scope 0 at $DIR/while-storage.rs:11:12: 11:23 + // ty::Const + // + ty: fn(bool) -> bool {get_bool} + // + val: Value(Scalar()) + // mir::Constant + // + span: $DIR/while-storage.rs:11:12: 11:20 + // + literal: Const { ty: fn(bool) -> bool {get_bool}, val: Value(Scalar()) } + } + + bb3: { + StorageDead(_5); // bb3[0]: scope 0 at $DIR/while-storage.rs:11:22: 11:23 + switchInt(_4) -> [false: bb4, otherwise: bb5]; // bb3[1]: scope 0 at $DIR/while-storage.rs:11:9: 13:10 + } + + bb4: { + StorageDead(_4); // bb4[0]: scope 0 at $DIR/while-storage.rs:14:5: 14:6 + StorageDead(_2); // bb4[1]: scope 0 at $DIR/while-storage.rs:10:21: 10:22 + goto -> bb0; // bb4[2]: scope 0 at $DIR/while-storage.rs:10:5: 14:6 + } + + bb5: { + StorageDead(_4); // bb5[0]: scope 0 at $DIR/while-storage.rs:14:5: 14:6 + goto -> bb6; // bb5[1]: scope 0 at $DIR/while-storage.rs:12:13: 12:18 + } + + bb6: { + StorageDead(_2); // bb6[0]: scope 0 at $DIR/while-storage.rs:10:21: 10:22 + return; // bb6[1]: scope 0 at $DIR/while-storage.rs:15:2: 15:2 + } +} diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 04d34fd0d4a59..26a9cd119978d 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -21,7 +21,6 @@ use std::collections::hash_map::DefaultHasher; use std::collections::{HashMap, HashSet, VecDeque}; use std::env; use std::ffi::{OsStr, OsString}; -use std::fmt; use std::fs::{self, create_dir_all, File, OpenOptions}; use std::hash::{Hash, Hasher}; use std::io::prelude::*; @@ -3156,36 +3155,6 @@ impl<'test> TestCx<'test> { } } } - - if let Some(idx) = test_file_contents.find("// END RUST SOURCE") { - let (_, tests_text) = test_file_contents.split_at(idx + "// END_RUST SOURCE".len()); - let tests_text_str = String::from(tests_text); - let mut curr_test: Option<&str> = None; - let mut curr_test_contents = vec![ExpectedLine::Elision]; - for l in tests_text_str.lines() { - debug!("line: {:?}", l); - if l.starts_with("// START ") { - let (_, t) = l.split_at("// START ".len()); - curr_test = Some(t); - } else if l.starts_with("// END") { - let (_, t) = l.split_at("// END ".len()); - if Some(t) != curr_test { - panic!("mismatched START END test name"); - } - self.compare_mir_test_output(curr_test.unwrap(), &curr_test_contents); - curr_test = None; - curr_test_contents.clear(); - curr_test_contents.push(ExpectedLine::Elision); - } else if l.is_empty() { - // ignore - } else if l.starts_with("//") && l.split_at("//".len()).1.trim() == "..." { - curr_test_contents.push(ExpectedLine::Elision) - } else if l.starts_with("// ") { - let (_, test_content) = l.split_at("// ".len()); - curr_test_contents.push(ExpectedLine::Text(test_content)); - } - } - } } fn check_mir_test_timestamp(&self, test_name: &str, output_file: &Path) { @@ -3203,107 +3172,6 @@ impl<'test> TestCx<'test> { } } - fn compare_mir_test_output(&self, test_name: &str, expected_content: &[ExpectedLine<&str>]) { - let mut output_file = PathBuf::new(); - output_file.push(self.get_mir_dump_dir()); - output_file.push(test_name); - debug!("comparing the contents of: {:?}", output_file); - debug!("with: {:?}", expected_content); - if !output_file.exists() { - panic!("Output file `{}` from test does not exist", output_file.display()); - } - self.check_mir_test_timestamp(test_name, &output_file); - - let dumped_string = fs::read_to_string(&output_file).unwrap(); - let mut dumped_lines = - dumped_string.lines().map(|l| nocomment_mir_line(l)).filter(|l| !l.is_empty()); - let mut expected_lines = expected_content - .iter() - .filter(|&l| if let &ExpectedLine::Text(l) = l { !l.is_empty() } else { true }) - .peekable(); - - let compare = |expected_line, dumped_line| { - let e_norm = normalize_mir_line(expected_line); - let d_norm = normalize_mir_line(dumped_line); - debug!("found: {:?}", d_norm); - debug!("expected: {:?}", e_norm); - e_norm == d_norm - }; - - let error = |expected_line, extra_msg| { - let normalize_all = dumped_string - .lines() - .map(nocomment_mir_line) - .filter(|l| !l.is_empty()) - .collect::>() - .join("\n"); - let f = |l: &ExpectedLine<_>| match l { - &ExpectedLine::Elision => "... (elided)".into(), - &ExpectedLine::Text(t) => t, - }; - let expected_content = - expected_content.iter().map(|l| f(l)).collect::>().join("\n"); - panic!( - "Did not find expected line, error: {}\n\ - Expected Line: {:?}\n\ - Test Name: {}\n\ - Expected:\n{}\n\ - Actual:\n{}", - extra_msg, expected_line, test_name, expected_content, normalize_all - ); - }; - - // We expect each non-empty line to appear consecutively, non-consecutive lines - // must be separated by at least one Elision - let mut start_block_line = None; - while let Some(dumped_line) = dumped_lines.next() { - match expected_lines.next() { - Some(&ExpectedLine::Text(expected_line)) => { - let normalized_expected_line = normalize_mir_line(expected_line); - if normalized_expected_line.contains(":{") { - start_block_line = Some(expected_line); - } - - if !compare(expected_line, dumped_line) { - error!("{:?}", start_block_line); - error( - expected_line, - format!( - "Mismatch in lines\n\ - Current block: {}\n\ - Actual Line: {:?}", - start_block_line.unwrap_or("None"), - dumped_line - ), - ); - } - } - Some(&ExpectedLine::Elision) => { - // skip any number of elisions in a row. - while let Some(&&ExpectedLine::Elision) = expected_lines.peek() { - expected_lines.next(); - } - if let Some(&ExpectedLine::Text(expected_line)) = expected_lines.next() { - let mut found = compare(expected_line, dumped_line); - if found { - continue; - } - while let Some(dumped_line) = dumped_lines.next() { - found = compare(expected_line, dumped_line); - if found { - break; - } - } - if !found { - error(expected_line, "ran out of mir dump to match against".into()); - } - } - } - None => {} - } - } - } - fn get_mir_dump_dir(&self) -> PathBuf { let mut mir_dump_dir = PathBuf::from(self.config.build_base.as_path()); debug!("input_file: {:?}", self.testpaths.file); @@ -3362,7 +3230,7 @@ impl<'test> TestCx<'test> { // with placeholders as we do not want tests needing updated when compiler source code // changes. // eg. $SRC_DIR/libcore/mem.rs:323:14 becomes $SRC_DIR/libcore/mem.rs:LL:COL - normalized = Regex::new("SRC_DIR(.+):\\d+:\\d+") + normalized = Regex::new("SRC_DIR(.+):\\d+:\\d+(: \\d+:\\d+)?") .unwrap() .replace_all(&normalized, "SRC_DIR$1:LL:COL") .into_owned(); @@ -3589,43 +3457,11 @@ enum TargetLocation { ThisDirectory(PathBuf), } -#[derive(Clone, PartialEq, Eq)] -enum ExpectedLine> { - Elision, - Text(T), -} - enum AllowUnused { Yes, No, } -impl fmt::Debug for ExpectedLine -where - T: AsRef + fmt::Debug, -{ - fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { - if let &ExpectedLine::Text(ref t) = self { - write!(formatter, "{:?}", t) - } else { - write!(formatter, "\"...\" (Elision)") - } - } -} - -fn normalize_mir_line(line: &str) -> String { - nocomment_mir_line(line).replace(char::is_whitespace, "") -} - -fn nocomment_mir_line(line: &str) -> &str { - if let Some(idx) = line.find("//") { - let (l, _) = line.split_at(idx); - l.trim_end() - } else { - line - } -} - fn read2_abbreviated(mut child: Child) -> io::Result { use crate::read2::read2; use std::mem::replace;