[PATCH] D81192: [OPENMP]Fix PR45854: prevent code movement out of the critical region.

Thu Jun 4 15:30:24 PDT 2020

jdoerfert added a comment.

In D81192#2074762 <https://reviews.llvm.org/D81192#2074762>, @ABataev wrote:

> In D81192#2074732 <https://reviews.llvm.org/D81192#2074732>, @jdoerfert wrote:
>
> > I doubt this is the right fix. I'll take a closer look.
>
>
> I believe, the issue is caused by the new attributes for kmpc_critical/kmpc_end_critical functions. They are marked as `InaccessibleMemOrArgMemOnly` functions. Previously they did not have this attribute and optimizer did not move the code across these function calls.

I would argue it is exposed not caused by the attribute ;)

See PR46210

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https://reviews.llvm.org/D81192