[PATCH] D70379: [AMDGPU] Reserving VGPR for future SGPR Spill

[Saiyedul Islam via Phabricator via llvm-commits]

saiislam updated this revision to Diff 259408.
saiislam added a comment.

Now highest available VGPR is reserved in the beginning and it is
switched with lowest available VGPR after RA.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70379/new/

https://reviews.llvm.org/D70379

Files:
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
  llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp
  llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.h
  llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
  llvm/test/CodeGen/AMDGPU/reserve-vgpr-for-sgpr-spill.ll

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