[PATCH] D50665: [LV][LAA] Vectorize loop invariant values stored into loop invariant address

[Anna Thomas via Phabricator via llvm-commits]

anna created this revision.
anna added reviewers: anemet, Ayal, mkuper, mssimpso.

We are overly conservative in loop vectorizer with respect to stores to loop
invariant addresses.
More details in https://bugs.llvm.org/show_bug.cgi?id=38546
This is the first part of the fix where we start with vectorizing loop invariant
values to loop invariant addresses.


Repository:
  rL LLVM

https://reviews.llvm.org/D50665

Files:
  include/llvm/Analysis/LoopAccessAnalysis.h
  lib/Analysis/LoopAccessAnalysis.cpp
  lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
  test/Transforms/LoopVectorize/invariant-store-vectorization.ll
  test/Transforms/LoopVectorize/pr31190.ll

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