[PATCH] D32451: Improve profile-guided heuristics to use estimated trip count.

[Taewook Oh via Phabricator via llvm-commits]

twoh added inline comments.


================
Comment at: lib/Transforms/Vectorize/LoopVectorize.cpp:7683
+  unsigned ExpectedTC = SE->getSmallConstantMaxTripCount(L);
+  bool HasExpectedTC = (ExpectedTC > 0);
+
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danielcdh wrote:
> Can this code be refactor with the loop unroller to make something like "isFlatLoop"?
I'm afraid I couldn't understand your suggestion. Can you please provide a little bit more of details?


https://reviews.llvm.org/D32451