[PATCH] D138308: [AMDGPU] Stop looking for implicit M0 uses on MOV instructions

[Jay Foad via Phabricator via llvm-commits]

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Before D114230 <https://reviews.llvm.org/D114230>, indirect moves used regular MOV opcodes and were
identified by having an implicit use of M0. Since D114230 <https://reviews.llvm.org/D114230> they use
dedicated opcodes instead, so remove some old code that checks for
implicit uses of M0. NFCI.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138308

Files:
  llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
  llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
  llvm/test/CodeGen/AMDGPU/v_swap_b32.mir

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