[PATCH] D88921: [MemCpyOpt] Fix thread-safety of call slot opimization

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

> If the caller is nosync there is no need for all this thread safety checking.

I'm not sure nosync helps here?  The issue this patch is trying to solve is the case where the memcpy is dynamically dead due to an infinite loop; there isn't any synchronization involved.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D88921/new/

https://reviews.llvm.org/D88921