[PATCH] D20071: AMDGPU: Make some instructions convergent

[Matt Arsenault via llvm-commits]

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