[PATCH] D141277: [InstCombine] Don't optimize idempotent `atomicrmw <op>, 0` into `load atomic`

[Quentin Colombet via Phabricator via llvm-commits]

qcolombet added a comment.

> AtomicExpand also tries the same transform (which for some reason is done in an x86 specific way, so this might be incomplete anyway)

Yeah, I believe there would be some subtle issues doing that in a generic way.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D141277