[PATCH] D124834: [fastregalloc] Fix bug when undef value is tied to def.

[LuoYuanke via Phabricator via llvm-commits]

LuoYuanke updated this revision to Diff 426897.
LuoYuanke added a comment.

Address Arsenault and Braun's comments.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D124834/new/

https://reviews.llvm.org/D124834

Files:
  llvm/lib/CodeGen/RegAllocFast.cpp
  llvm/test/CodeGen/X86/fastregalloc-tied-undef.mir

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