[PATCH] D70246: [InstCombine] remove identity shuffle simplification for mask with undefs

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune added a comment.

In D70246#1749243 <https://reviews.llvm.org/D70246#1749243>, @liuz wrote:

> Hi Juneyoung. Is that a typo? undef & 0 should be 0.


I'm sorry, yes that was typo; undef & 0 is 0.


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  https://reviews.llvm.org/D70246/new/

https://reviews.llvm.org/D70246