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

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

Edit - I misread the diff for:
rL142671 <https://reviews.llvm.org/rL142671>
...so I'm not sure when this was added, but it was even longer ago. :)


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70246/new/

https://reviews.llvm.org/D70246