[PATCH] D115109: [LV] Do not fold the tail when an IV is used outside of the loop.

[Florian Hahn via Phabricator via llvm-commits]

fhahn added inline comments.


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Comment at: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:3328
+    assert(isa<PHINode>(UI) && "Expected LCSSA form");
+    assert(!Cost->foldTailByMasking() && "Unexpected external use of IV");
+    MissingVals[UI] = EndValue;
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this is independent of the patch and could be moved out of the patch, right? If so, it would be good to split of.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115109/new/

https://reviews.llvm.org/D115109