[PATCH] D42044: X86: Utilize ZeroableElements for canWidenShuffleElements

[Andrea Di Biagio via Phabricator via llvm-commits]

andreadb added a comment.

In https://reviews.llvm.org/D42044#1159826, @RKSimon wrote:

> Rebased and updated to fix potential issue if whole of V2 isn't zeros


Looks good to me. Thanks Simon!


Repository:
  rL LLVM

https://reviews.llvm.org/D42044