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

[Taewook Oh via Phabricator via llvm-commits]

twoh updated this revision to Diff 97003.
twoh added a comment.

Use profile-based trip count estimation only when trip count cannot be computed.


https://reviews.llvm.org/D32451

Files:
  lib/Transforms/Vectorize/LoopVectorize.cpp
  test/Transforms/LoopVectorize/X86/small-size.ll
  test/Transforms/LoopVectorize/tripcount.ll

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