[PATCH] D100149: [AMDGPU][GlobalISel] Legalize and select G_SBFX and G_UBFX

[Brendon Cahoon via Phabricator via llvm-commits]

bcahoon updated this revision to Diff 346833.
bcahoon added a comment.

Added cases for G_SBFX and G_UBFX to GISelKnownBits, which
helps improve code generation.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100149/new/

https://reviews.llvm.org/D100149

Files:
  llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
  llvm/include/llvm/Target/GlobalISel/Combine.td
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/Target/AArch64/AArch64Combine.td
  llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerCombiner.cpp
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.h
  llvm/test/CodeGen/AMDGPU/GlobalISel/ashr.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/cvt_f32_ubyte.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/extractelement-stack-lower.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/extractelement.i8.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/fshl.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/fshr.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/insertelement.i8.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-sbfx.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ubfx.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sbfx.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ubfx.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.ubfe.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.workitem.id.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/postlegalizercombiner-sbfx.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/postlegalizercombiner-ubfx.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-sbfx.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-ubfx.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/saddsat.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/sbfx.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/ssubsat.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/uaddsat.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/ubfx.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/usubsat.ll
  llvm/unittests/CodeGen/GlobalISel/KnownBitsTest.cpp