[PATCH] D113778: [AMDGPU] Use shift for b64 mov

[Sebastian Neubauer via Phabricator via llvm-commits]

sebastian-ne created this revision.
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There is no v_mov_b64, but a v_lshlrev_b64 can accomplish the same by
shifting a 64-bit register by 0.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113778

Files:
  llvm/lib/Target/AMDGPU/GCNSubtarget.h
  llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
  llvm/test/CodeGen/AMDGPU/v_mov_b64_expansion.mir
  llvm/test/CodeGen/AMDGPU/wwm-reserved-spill.ll
  llvm/test/CodeGen/AMDGPU/wwm-reserved.ll

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