[PATCH] D116042: [AMDGPU][InstCombine] Remove zero LOD bias

[Sebastian Neubauer via Phabricator via llvm-commits]

sebastian-ne created this revision.
sebastian-ne added reviewers: arsenm, rampitec, foad.
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sebastian-ne requested review of this revision.
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If the bias is zero, we can remove it from the image instruction.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D116042

Files:
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/lib/Target/AMDGPU/MIMGInstructions.td
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
  llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.image.sample.bias_zero.ll
  llvm/test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.bias_zero.ll

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