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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2025-03-13 10:01:48 +0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-03-13 10:01:48 +0700 |
| commit | d8f17b3de1ca64b6ac8eb383bcb267078bbfea56 (patch) | |
| tree | 54fa45ad42c377fe0cebf926649609c26eaad767 /llvm/lib | |
| parent | 95ab95fd10b2593afedcd53ba653381f35852ebc (diff) | |
| download | llvm-d8f17b3de1ca64b6ac8eb383bcb267078bbfea56.zip llvm-d8f17b3de1ca64b6ac8eb383bcb267078bbfea56.tar.gz llvm-d8f17b3de1ca64b6ac8eb383bcb267078bbfea56.tar.bz2 | |
AMDGPU: Make sqrt and rsq intrinsics propagate poison (#130914)
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp b/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp index 6f65563..5314738 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp @@ -548,6 +548,8 @@ GCNTTIImpl::instCombineIntrinsic(InstCombiner &IC, IntrinsicInst &II) const { case Intrinsic::amdgcn_sqrt: case Intrinsic::amdgcn_rsq: { Value *Src = II.getArgOperand(0); + if (isa<PoisonValue>(Src)) + return IC.replaceInstUsesWith(II, Src); // TODO: Move to ConstantFolding/InstSimplify? if (isa<UndefValue>(Src)) { |