[PATCH] D17889: [MachineCopyPropagation] Expose more dead copies across instructions with regmasks

[Jun Bum Lim via llvm-commits]

junbuml updated this revision to Diff 50000.
junbuml added a comment.

Added test case as Quentin commented.


http://reviews.llvm.org/D17889

Files:
  lib/CodeGen/MachineCopyPropagation.cpp
  test/CodeGen/MIR/AArch64/machine-dead-copy.mir

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