[PATCH] D155652: AMDGPU: Fold fsub [+-0] into fneg when folding source modifiers

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 541966.
arsenm added a comment.
Herald added a subscriber: kosarev.

Filter out non-canonicalizing operations (class and select)


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D155652/new/

https://reviews.llvm.org/D155652

Files:
  llvm/lib/Target/AMDGPU/AMDGPUGISel.td
  llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
  llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.h
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
  llvm/lib/Target/AMDGPU/SIInstrInfo.td
  llvm/lib/Target/AMDGPU/SIInstructions.td
  llvm/lib/Target/AMDGPU/VOPCInstructions.td
  llvm/lib/Target/AMDGPU/VOPInstructions.td
  llvm/test/CodeGen/AMDGPU/fneg-combines.ll
  llvm/test/CodeGen/AMDGPU/fneg-combines.new.ll
  llvm/test/CodeGen/AMDGPU/fsub-as-fneg-src-modifier.ll
  llvm/test/CodeGen/AMDGPU/llvm.exp.ll

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