[PATCH] D68195: [DAGCombiner] Peek through vector concats when trying to combine shuffles.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon accepted this revision.
RKSimon added a comment.

LGTM - I was thinking that combineX86ShufflesRecursively could handle this but its probably better to get it dealt with before lowering happens.


Repository:
  rL LLVM

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  https://reviews.llvm.org/D68195/new/

https://reviews.llvm.org/D68195