[PATCH] D114700: AMDGPU/GlobalISel: Fix constant bus restriction errors for med3

[Petar Avramovic via Phabricator via llvm-commits]

Petar.Avramovic updated this revision to Diff 390659.
Petar.Avramovic edited the summary of this revision.
Petar.Avramovic added a comment.

Make all operands vgpr for med3. Find already existing copies to vgpr for constants.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D114700/new/

https://reviews.llvm.org/D114700

Files:
  llvm/lib/Target/AMDGPU/AMDGPURegBankCombiner.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankcombiner-smed3.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankcombiner-umed3.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/smed3.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/umed3.ll

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