[PATCH] D134967: [AMDGPU] Always lower SHUFFLE_VECTOR

[Pierre van Houtryve via Phabricator via llvm-commits]

Pierre-vh created this revision.
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Make it illegal, remove InstructionSelector logic for it and add a new ALIGNBIT pattern to fix some minor codegen regressions (udot/sdot tests).

Depends on D134354 <https://reviews.llvm.org/D134354>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D134967

Files:
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
  llvm/lib/Target/AMDGPU/SIInstructions.td
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-shuffle-vector.v2s16.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-shuffle-vector.s16.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-shuffle-vector.mir
  llvm/test/CodeGen/AMDGPU/mad-mix.ll

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