[PATCH] D129599: [SimpleLoopUnswitch] Skip non-trivial unswitching of cold loops

[Ruobing Han via Phabricator via llvm-commits]

drcut updated this revision to Diff 456331.
drcut added a comment.

Avoid applying non-trivial unswitching in cold Function. Compared with previous PGO solution, this version will apply non-trivial unswitching on cold loops in hot functions.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D129599/new/

https://reviews.llvm.org/D129599

Files:
  llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
  llvm/test/Transforms/SimpleLoopUnswitch/PGO-nontrivial-unswitch.ll

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