[PATCH] D109301: [AMDGPU] Enable copy between VGPR and AGPR classes during regalloc

[Christudasan Devadasan via Phabricator via llvm-commits]

cdevadas updated this revision to Diff 384840.
cdevadas added a comment.

Rebase + converted AV spills into VGPR spills by introducing appropriate copies in between.
Added a test case for AV spills.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109301/new/

https://reviews.llvm.org/D109301

Files:
  llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
  llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
  llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp
  llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.h
  llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
  llvm/lib/Target/AMDGPU/SIRegisterInfo.h
  llvm/test/CodeGen/AMDGPU/agpr-csr.ll
  llvm/test/CodeGen/AMDGPU/attr-amdgpu-flat-work-group-size-vgpr-limit.ll
  llvm/test/CodeGen/AMDGPU/extend-phi-subrange-not-in-parent.mir
  llvm/test/CodeGen/AMDGPU/pei-build-spill-partial-agpr.mir
  llvm/test/CodeGen/AMDGPU/pei-build-spill.mir
  llvm/test/CodeGen/AMDGPU/save-fp.ll
  llvm/test/CodeGen/AMDGPU/spill-agpr.ll
  llvm/test/CodeGen/AMDGPU/spill-agpr.mir
  llvm/test/CodeGen/AMDGPU/spill-to-agpr-partial.mir
  llvm/test/CodeGen/AMDGPU/spill-vector-superclass.ll
  llvm/test/CodeGen/AMDGPU/spill-vgpr-to-agpr.ll
  llvm/test/CodeGen/AMDGPU/vgpr-agpr-limit-gfx90a.ll
  llvm/test/CodeGen/AMDGPU/vgpr-spill-dead-frame-in-dbg-value.mir