[PATCH] D66932: [LV] Tail-folding, runtime scev checks

[Ayal Zaks via Phabricator via llvm-commits]

Ayal added inline comments.


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Comment at: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:2699
+  assert(!BB->getParent()->hasOptSize() &&
          "Cannot SCEV check stride or overflow when folding tail");
 
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Error message should be updated as well.


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Comment at: llvm/test/Transforms/LoopVectorize/X86/tail-folding-scevcheck.ll:12
+; CHECK:       vector.ph:
+; CHECK:       vector.body:
+entry:
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Better also check instructions, not only labels?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66932/new/

https://reviews.llvm.org/D66932