[all-commits] [llvm/llvm-project] f33373: AMDGPU: Remove SGPRSpillVGPRDefinedSet hack

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f333736757e9df318b2c3490c61341966024561b
      https://github.com/llvm/llvm-project/commit/f333736757e9df318b2c3490c61341966024561b
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-12-16 (Wed, 16 Dec 2020)

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

  Log Message:
  -----------
  AMDGPU: Remove SGPRSpillVGPRDefinedSet hack

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