[PATCH] D137574: PEI should be able to use backward walk in replaceFrameIndicesBackward.

[Alexander via Phabricator via llvm-commits]

alex-t created this revision.
alex-t added a reviewer: vpykhtin.
Herald added subscribers: kosarev, foad, kerbowa, hiraditya, jvesely, arsenm, qcolombet.
Herald added a project: All.
alex-t requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

The backward register scavenger has correct register
liveness information. PEI should leverage the backward register scavenger.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D137574

Files:
  llvm/lib/CodeGen/PrologEpilogInserter.cpp
  llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
  llvm/test/CodeGen/AMDGPU/accvgpr-spill-scc-clobber.mir

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D137574.473731.patch
Type: text/x-patch
Size: 27600 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20221107/8f8bf2d3/attachment.bin>