[PATCH] D155406: [MemCpyOpt] implement multi BB stack-move optimization

[Vitaly Buka via Phabricator via llvm-commits]

vitalybuka added a subscriber: joanahalili.
vitalybuka added a comment.

In D155406#4641708 <https://reviews.llvm.org/D155406#4641708>, @nikic wrote:

> Conceptually, this optimization can only cause false negatives with asan, not false positives. We'll need a reproducer to understand what's going wrong.

Yes, that's why I think that something is definitely wrong with lifetimes, so better to revert ASAP.

And I believe @joanahalili is working on reproducer. Let me know if I can help.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D155406/new/

https://reviews.llvm.org/D155406