[PATCH] D28585: [RegisterCoalescing] Remove partial redundent copy

[Wei Mi via Phabricator via llvm-commits]

wmi updated this revision to Diff 84356.
wmi added a comment.

Address Noel, Quentin and Matthias's comments.


Repository:
  rL LLVM

https://reviews.llvm.org/D28585

Files:
  lib/CodeGen/RegisterCoalescer.cpp
  test/CodeGen/X86/pre-coalesce.ll
  test/CodeGen/X86/pre-coalesce.mir

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