[PATCH] D42679: [DAGCombiner] When combining zero_extend of a truncate, only mask before extending for vectors.

[Artem Belevich via Phabricator via llvm-commits]

tra added a comment.

In https://reviews.llvm.org/D42679#1009331, @craig.topper wrote:

> Rebase after https://reviews.llvm.org/D43063
>
> The NVPTX test got weirder now. The setp.eq.b16instruction was always there, but not part of the CHECKs. The and.b32 is new.


That setp should not be there to start with. AFAICT it's result is not used by anything. I'll take a look at what's going on.


https://reviews.llvm.org/D42679