[PATCH] D58238: [DebugInfo] MachineSink: Insert undef DBG_VALUEs when sinking instructions, try to forward copies

[Jeremy Morse via Phabricator via llvm-commits]

jmorse updated this revision to Diff 186983.
jmorse added a comment.

Explicitly test for whether we're pre or post regalloc when deciding whether a copy can be propagated, refactor test logic.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58238/new/

https://reviews.llvm.org/D58238

Files:
  lib/CodeGen/MachineSink.cpp
  test/DebugInfo/MIR/X86/postra-subreg-sink.mir
  test/DebugInfo/MIR/X86/sink-leaves-undef.mir

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