Add cg_clif as optional codegen backend #77975
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This reverts commit af0fa74. It didn't do anything
The previous translation was wrong for signed 128bit comparisions This fixes several libcore tests
Fixes #6
Assignments are no longer used to implicitly cast between &mut T and &T
…#1054) * Longer README about how to use this instead of `cargo run` Resolves rust-lang#1052. Co-authored-by: bjorn3 <bjorn3@users.noreply.github.com>
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This was referenced Oct 26, 2020
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…=jyn514 Sync rustc_codegen_cranelift This fixes bootstrapping of rustc using cg_clif again. It regressed a while before rust-lang#77975 got merged. Fixes https://github.com/bjorn3/rustc_codegen_cranelift/issues/743
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…=jyn514 Sync rustc_codegen_cranelift This fixes bootstrapping of rustc using cg_clif again. It regressed a while before rust-lang#77975 got merged. Fixes https://github.com/bjorn3/rustc_codegen_cranelift/issues/743
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Oops. I used |
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Opened #80981 |
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…evink Fix -Cpasses=list and llvm version print with -vV cc rust-lang#77975 (comment)
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…evink Fix -Cpasses=list and llvm version print with -vV cc rust-lang#77975 (comment)
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…evink Fix -Cpasses=list and llvm version print with -vV cc rust-lang#77975 (comment)
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…evink Fix -Cpasses=list and llvm version print with -vV cc rust-lang#77975 (comment)
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…evink Fix -Cpasses=list and llvm version print with -vV cc rust-lang#77975 (comment)
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Rustc_codegen_cranelift is an alternative codegen backend for rustc based on Cranelift. It has the potential to improve compilation times in debug mode. In my experience the compile time improvements over debug mode LLVM for a clean build are about 20-30% in most cases.
This PR adds cg_clif as optional codegen backend. By default it is only enabled for
./x.py check. It can be enabled for./x.py buildtoo by addingcraneliftto therust.codegen-backendsarray inconfig.toml.MCP: rust-lang/compiler-team#270
r? @Mark-Simulacrum