[PATCH] D73051: [GlobalISel][AMDGPU] Legalize saturating add/subtract

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 277542.
arsenm edited the summary of this revision.
arsenm added a comment.

Rebase on other patches. Don't use custom lowering, and define legality rules as a placeholder until the clamp modifier is used


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73051/new/

https://reviews.llvm.org/D73051

Files:
  llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
  llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-saddsat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ssubsat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-uaddsat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-usubsat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/saddsat.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/ssubsat.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/uaddsat.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/usubsat.ll