[PATCH] D81558: [NewPM] Introduce PreserveCFG check

[Yevgeny Rouban via Phabricator via llvm-commits]

yrouban updated this revision to Diff 289856.
yrouban added a comment.

Implemented custom BBGuard class instead of PoisoningVH which does not track poisoning in release builds.
Removed DEBUG_TYPE and LLVM_DEBUG uses. Unexpected gaph diffs are printed unconditionally.
Addressed comments.
I will provide performance data soon.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D81558/new/

https://reviews.llvm.org/D81558

Files:
  llvm/include/llvm/Passes/StandardInstrumentations.h
  llvm/lib/Passes/StandardInstrumentations.cpp

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