[PATCH] D147031: [MachineCopy] Bug fix sub register machine copy propagation

[Xiang Zhang via Phabricator via llvm-commits]

xiangzhangllvm updated this revision to Diff 509557.
xiangzhangllvm edited the summary of this revision.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147031/new/

https://reviews.llvm.org/D147031

Files:
  llvm/lib/CodeGen/MachineCopyPropagation.cpp
  llvm/test/CodeGen/X86/machine-copy-subreg.mir

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