[PATCH] D31910: [LV] Avoid vectorizing first order recurrences when phi used outside loop

[Anna Thomas via Phabricator via llvm-commits]

anna updated this revision to Diff 94884.
anna marked 2 inline comments as done.
anna added a comment.

remove the check for IV having outside users. That is already handled (i.e. vectorized correctly) by the vectorizer.


https://reviews.llvm.org/D31910

Files:
  lib/Transforms/Utils/LoopUtils.cpp
  lib/Transforms/Vectorize/LoopVectorize.cpp
  test/Transforms/LoopVectorize/AArch64/loop-vectorization-factors.ll
  test/Transforms/LoopVectorize/first-order-recurrence.ll

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