[PATCH] D136169: [AMDGPU] Avoid SCC clobbering before S_CSELECT_B32

[Alexander via Phabricator via llvm-commits]

alex-t updated this revision to Diff 468734.
alex-t added a comment.
Herald added a subscriber: qcolombet.

SCC save/restore for all SCC users. Code which sets dead flag in SCC operands removed as it should be in separate change.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136169/new/

https://reviews.llvm.org/D136169

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

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