kpn added a comment.

I thought that adding a new fence required changing every optimization pass in 
LLVM. That's why the constrained intrinsics were implemented they way they are 
where no fence is needed.

Aren't you going to have miscompiles using this new fence until all that 
optimization work is done? Or am I wrong? @andrew.w.kaylor?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100118/new/

https://reviews.llvm.org/D100118

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