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

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix updated this revision to Diff 230736.
deadalnix added a comment.

Address some of the comments


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68195/new/

https://reviews.llvm.org/D68195

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/X86/vector-shuffle-combining.ll

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