[PATCH] D81914: [AMDGPU] Avoid use of V_READLANE into EXEC in SGPR spills

[Carl Ritson via Phabricator via llvm-commits]

critson updated this revision to Diff 271959.
critson added a comment.

- Add test for foldMemoryOperandImpl
- Rework code in foldMemoryOperandImpl to remove references to specific physical registers


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D81914/new/

https://reviews.llvm.org/D81914

Files:
  llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
  llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
  llvm/test/CodeGen/AMDGPU/fold-reload-into-exec.mir
  llvm/test/CodeGen/AMDGPU/sgpr-spill.mir
  llvm/test/CodeGen/AMDGPU/si-sgpr-spill.ll
  llvm/test/CodeGen/AMDGPU/spill-special-sgpr.mir

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