[PATCH] D12125: [DAGCombiner] Fold CONCAT_VECTORS of EXTRACT_SUBVECTOR (or undef) to VECTOR_SHUFFLE.

[Andrea Di Biagio via llvm-commits]

andreadb accepted this revision.
andreadb added a comment.
This revision is now accepted and ready to land.

LGTM

Thanks!


Repository:
  rL LLVM

http://reviews.llvm.org/D12125