[PATCH] D45637: [DebugInfo] Ignore DBG_VALUE instructions in PostRA Machine Sink

[Matt Davis via Phabricator via llvm-commits]

mattd updated this revision to Diff 150789.
mattd edited the summary of this revision.
mattd added a comment.

Thanks for the review @bjope!

My apologies, you are correct, the registers in the DBG_VALUE were getting
captured in `LiveRegUnits::accumulateUsedDefed`  I fixed up the summary
and a few comments in the code/test as well.

- Updated the patch to use isDebugInstr().
- Cor rected some comments and renamed the test to reflect that the functionality is trying to avoid processing debug instructions.


https://reviews.llvm.org/D45637

Files:
  lib/CodeGen/MachineSink.cpp
  test/CodeGen/X86/postra-ignore-dbg-instrs.mir

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