[PATCH] D129599: Apply PGO on SimpleLoopUnswitch

[Ruobing Han via Phabricator via llvm-commits]

drcut created this revision.
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With profile data, non-trivial LoopUnswitch will only apply on non-cold loops, as unswitch cold loops may not gain much benefit but significantly increase the code size.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129599

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

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