[PATCH] D153953: Revert "[AMDGPU] Mark mbcnt as convergent"

[Sameer Sahasrabuddhe via Phabricator via cfe-commits]

sameerds requested review of this revision.
sameerds added a comment.

@pravinjagtap @arsenm ... reverting the mbcnt intrinsic affects tests that were added for atomic optimizations. In particular, the mbcnt is now being moved across/into/out of control flow because it is no longer convergent. I eyeballed one example and it seemed okay to me, but a more thorough check will be useful.


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  https://reviews.llvm.org/D153953/new/

https://reviews.llvm.org/D153953