[PATCH] D67948: [LV] Interleaving should not exceed estimated loop trip count.

[Evgeniy via Phabricator via llvm-commits]

ebrevnov created this revision.
Herald added subscribers: llvm-commits, rkruppe, hiraditya.
Herald added a project: LLVM.

Currently we may do iterleaving by more than estimated trip count
coming from the profile or computed maximum trip count. The solution is to
use "best known" trip count instead of exact one in interleaving analysis.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D67948

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/X86/no_fpmath_with_hotness.ll
  llvm/test/Transforms/LoopVectorize/interleave_short_tc.ll

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