[PATCH] D30200: [SLP] Fix for PR31880: shuffle and vectorize repeated scalar ops on extracted elements

[Alexey Bataev via Phabricator via llvm-commits]

ABataev updated this revision to Diff 89347.
ABataev added a comment.

Address Michael's comments + minor fixes


https://reviews.llvm.org/D30200

Files:
  lib/Transforms/Vectorize/SLPVectorizer.cpp
  test/Transforms/SLPVectorizer/X86/blending-shuffle.ll

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