[PATCH] D69498: IR: Invert convergent attribute handling

Mehdi AMINI via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Tue Oct 29 11:51:48 PDT 2019


mehdi_amini added a comment.

Maybe we can start by looking into the motivation for this patch:

> There is a burden on frontends in environments that care about convergent operations to add the attribute just in case it is needed. This has proven to be somewhat problematic, and different frontend projects have consistently run into problems related to this.

Can you clarify what kind of problems? Do you have concrete examples?


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