[PATCH] D95734: Use alias analysis to remove redundant instrumentation for Asan

[Chijin via Phabricator via llvm-commits]

ChijinZ updated this revision to Diff 321982.
ChijinZ edited the summary of this revision.
ChijinZ added a comment.

The evaluation numbers has been updated to the summary part. It does make it less efficient, but still has improvement.

I digged into the MemorySSA and don't have ideas to decrease the complexity. It seems that O(n^2) is inevitable.

I updated the patch for removing some redundant statements.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95734/new/

https://reviews.llvm.org/D95734

Files:
  llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp

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