[PATCH] D122118: [MachineCopyPropagaion][WIP] Eliminate spillage copies that might caused by eviction chain

[Kai Luo via Phabricator via llvm-commits]

lkail created this revision.
Herald added subscribers: dmgreen, hiraditya, nemanjai, qcolombet.
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lkail requested review of this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122118

Files:
  llvm/lib/CodeGen/MachineCopyPropagation.cpp
  llvm/test/CodeGen/PowerPC/mcp-elim-eviction-chain.mir
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/spillingmove.ll
  llvm/test/CodeGen/Thumb2/mve-postinc-dct.ll

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