[PATCH] D86429: [X86] Make lowerShuffleAsLanePermuteAndShuffle use sublanes on AVX2

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

I'm on PTO this week but will try to take a look soon.

Please can you pre-commit the PR47262 test case with trunk's current codegen and rebase so the patch shows the diff.

nit: typo lowerShuffleAsLanePermuteAndShuffle  -> lowerShuffleAsLanePermuteAndPermute


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  https://reviews.llvm.org/D86429/new/

https://reviews.llvm.org/D86429