[PATCH] D142536: [X86] lowerShuffleAsLanePermuteAndRepeatedMask - retain the per-lane undef elements and don't just copy the repeated mask

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In D142536#4081357 <https://reviews.llvm.org/D142536#4081357>, @deadalnix wrote:

> This is looking good. I'm going to accept as it, but it'd be better to wait a little to give the opportunity for someone more familiar with this to shime in.

Thanks - does anyone else have any comments? Otherwise I'll probably commit this over the weekend.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D142536/new/

https://reviews.llvm.org/D142536