[PATCH] D20071: AMDGPU: Make some instructions convergent

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Mon May 9 11:08:12 PDT 2016


arsenm added a comment.

In http://reviews.llvm.org/D20071#424843, @nhaehnle wrote:

> LGTM
>
> Out of curiosity, what does making v_readlane/v_writelane convergent fix? I thought they were independent of control flow...


Now I'm not really sure about them. I was just thinking any of the instructions that do any kind of crosslane interactions would be convergent


http://reviews.llvm.org/D20071





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