[PATCH] D41786: [SLP] Fix PR35628: Count external uses on extra reduction arguments.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev created this revision.
ABataev added reviewers: mkuper, hfinkel, RKSimon, spatel.

If the vectorized value is marked as extra reduction argument, its users
are not considered as external users. Patch fixes this.


https://reviews.llvm.org/D41786

Files:
  lib/Transforms/Vectorize/SLPVectorizer.cpp
  test/Transforms/SLPVectorizer/X86/PR35628_1.ll
  test/Transforms/SLPVectorizer/X86/PR35628_2.ll

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