[PATCH] D121690: [LoopVectorize] Don't collect some values as scalars

Zhou Kaipeng via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 15 05:41:06 PDT 2022


TKaipeng created this revision.
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Value used outside the loop is to be associated with a ReplicateRecipe which is non-uniform. If VF is scalable, it isn't a legal recipe type.
Therefore, don't mark this kind of value as scalar after vectorization.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121690

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/value-use-outside-scalable.ll

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