[PATCH] D96869: [AMDGPU] Fix saving fp and bp

[Sebastian Neubauer via Phabricator via llvm-commits]

sebastian-ne updated this revision to Diff 334084.
sebastian-ne added a comment.

Rewrite the patch to not rely on D96336 <https://reviews.llvm.org/D96336> anymore.

Instead of spilling all lanes of the used VGPR, assume that the live lanes are fitting in the prolog and epilog and use only live lanes for spilling.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96869/new/

https://reviews.llvm.org/D96869

Files:
  llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
  llvm/test/CodeGen/AMDGPU/callee-frame-setup.ll
  llvm/test/CodeGen/AMDGPU/frame-setup-without-sgpr-to-vgpr-spills.ll
  llvm/test/CodeGen/AMDGPU/stack-realign.ll

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