[PATCH] D93403: AMDGPU: Remove SGPRSpillVGPRDefinedSet hack

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: rampitec, kerbowa, scott.linder.
Herald added subscribers: hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl, qcolombet.
arsenm requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

These VGPRs should be reserved and therefore do not need "correct"
liveness. They should not have undef uses, which can still cause
issues.


https://reviews.llvm.org/D93403

Files:
  llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
  llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
  llvm/test/CodeGen/AMDGPU/fold-reload-into-exec.mir
  llvm/test/CodeGen/AMDGPU/fold-reload-into-m0.mir
  llvm/test/CodeGen/AMDGPU/sgpr-spill-partially-undef.mir
  llvm/test/CodeGen/AMDGPU/spill-reg-tuple-super-reg-use.mir
  llvm/test/CodeGen/AMDGPU/spill192.mir
  llvm/test/CodeGen/AMDGPU/vgpr-spill.mir

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