[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 388004.
cdevadas edited the summary of this revision.
cdevadas added a comment.
Herald added a subscriber: MatzeB.

Retained SpillVGPRToAGPR implementation at frame lowering to handle the partial tuple spills to registers that are missed during regalloc.
Fixed a broken case in function `spillVGPRtoAGPR`. 
Added more tests.


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/SIInstrInfo.cpp
  llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
  llvm/lib/Target/AMDGPU/SIRegisterInfo.h
  llvm/test/CodeGen/AMDGPU/extend-phi-subrange-not-in-parent.mir
  llvm/test/CodeGen/AMDGPU/partial-regcopy-and-spill-missed-at-regalloc.ll
  llvm/test/CodeGen/AMDGPU/spill-agpr.ll
  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

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