[PATCH] D38113: OpenCL: Assume functions are convergent

[Hal Finkel via Phabricator via cfe-commits]

hfinkel added a comment.

In https://reviews.llvm.org/D38113#882187, @Anastasia wrote:

> In https://reviews.llvm.org/D38113#878840, @jlebar wrote:
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> Yes, I see this sounds more reasonable indeed. Btw, currently LLVM can remove `convergent` in some cases to recover the performance loss?

Yes. See removeConvergentAttrs in lib/Transforms/IPO/FunctionAttrs.cpp.

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https://reviews.llvm.org/D38113