[PATCH] D122118: [MachineCopyPropagation] Eliminate spillage copies that might be caused by eviction chain

[Kai Luo via Phabricator via llvm-commits]

lkail updated this revision to Diff 485469.
lkail added a comment.
Herald added a subscriber: kbarton.

Add target hook and command line option.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122118/new/

https://reviews.llvm.org/D122118

Files:
  llvm/include/llvm/CodeGen/TargetSubtargetInfo.h
  llvm/lib/CodeGen/MachineCopyPropagation.cpp
  llvm/lib/Target/PowerPC/PPCSubtarget.h
  llvm/test/CodeGen/PowerPC/mcp-elim-eviction-chain.mir

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