[PATCH] D101680: Change the context instruction for computeKnownBits in LoadStoreVectorizer pass

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


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Comment at: llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp:521
     KnownBits Known(BitWidth);
-    computeKnownBits(OpA, Known, DL, 0, &AC, OpA, &DT);
     APInt BitsAllowedToBeSet = Known.Zero.zext(IdxDiff.getBitWidth());
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How do we know A is the point the vectorized instruction will be inserted, and not B?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101680/new/

https://reviews.llvm.org/D101680