Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[ROCDL] Add the global.atomic.fadd intrinsic in ROCDL #94486

Closed
wants to merge 4 commits into from
Closed

[ROCDL] Add the global.atomic.fadd intrinsic in ROCDL #94486

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
a35b053
[ROCDL] Add the global.atomic.fadd intrinsic in ROCDL
giuseros Jun 5, 2024
9d9cc3d
Address review feedback
giuseros Jun 5, 2024
d984a83
Change the intrinsic tblgen to return the old value from fadd
giuseros Jun 6, 2024
6eec778
Address review feedback - 2
giuseros Jun 7, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 10 additions & 1 deletion mlir/include/mlir/Dialect/LLVMIR/ROCDLOps.td
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -342,6 +342,7 @@ def ROCDL_wmma_i32_16x16x16_iu4 : ROCDL_Wmma_IntrOp<"wmma.i32.16x16x16.iu4", [1]
//===---------------------------------------------------------------------===//

def ROCDLBufferRsrc : LLVM_PointerInAddressSpace<8>;
def ROCDLGlobalPtr: LLVM_PointerInAddressSpace<1>;

def ROCDL_MakeBufferRsrcOp :
ROCDL_IntrOp<"make.buffer.rsrc", [], [0], [Pure], 1>,
Expand Down Expand Up @@ -516,7 +517,7 @@ def ROCDL_RawBufferAtomicCmpSwap :
}

//===---------------------------------------------------------------------===//
// MI-100 and MI-200 buffer atomic floating point add intrinsic
// gfx9x global/buffer atomic floating point add intrinsics

def ROCDL_RawBufferAtomicFAddOp :
ROCDL_Op<"raw.buffer.atomic.fadd">,
Expand All @@ -534,6 +535,14 @@ def ROCDL_RawBufferAtomicFAddOp :
let hasCustomAssemblyFormat = 1;
}

def ROCDL_GlobalAtomicFAddOp:
ROCDL_IntrOp<"global.atomic.fadd",
[0], [0, 1], [AllTypesMatch<["res", "vdata"]>], 1>,
Arguments<(ins ROCDLGlobalPtr:$ptr,
LLVM_Type:$vdata)>{
let assemblyFormat = "operands attr-dict `:` type($res)";
}

//===---------------------------------------------------------------------===//
// Buffer atomic floating point max intrinsic. GFX9 does not support fp32.

Expand Down
9 changes: 9 additions & 0 deletions mlir/test/Target/LLVMIR/rocdl.mlir
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -494,6 +494,15 @@ llvm.func @rocdl.raw.buffer.atomic.f32(%rsrc : vector<4xi32>,
llvm.return
}

// CHECK-LABEL: rocdl.global.atomic
llvm.func @rocdl.global.atomic(%vdata0 : f32, %vdata1 : vector<2xf16>, %ptr : !llvm.ptr<1>) {
// CHECK: call float @llvm.amdgcn.global.atomic.fadd.f32.p1.f32(ptr addrspace(1) %{{.*}}, float %{{.*}}
rocdl.global.atomic.fadd %ptr, %vdata0: f32
// CHECK: call <2 x half> @llvm.amdgcn.global.atomic.fadd.v2f16.p1.v2f16(ptr addrspace(1) %{{.*}}, <2 x half> %{{.*}})
rocdl.global.atomic.fadd %ptr, %vdata1: vector<2xf16>
llvm.return
}

llvm.func @rocdl.raw.buffer.atomic.i32(%rsrc : vector<4xi32>,
%offset : i32, %soffset : i32,
%vdata1 : i32) {
Expand Down
Loading