[PATCH] D29016: [LoopUnswitch] Do not freeze condition if hoisted branch is guaranteed to be reachable

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune updated this revision to Diff 86965.
aqjune added a comment.

- Add `FindNextSuccessorBlock`
- Minor modifications


https://reviews.llvm.org/D29016

Files:
  lib/Transforms/Scalar/LoopUnswitch.cpp
  test/Transforms/LoopUnswitch/2011-11-18-SimpleSwitch.ll
  test/Transforms/LoopUnswitch/2011-11-18-TwoSwitches-Threshold.ll
  test/Transforms/LoopUnswitch/2011-11-18-TwoSwitches.ll
  test/Transforms/LoopUnswitch/2015-06-17-Metadata.ll
  test/Transforms/LoopUnswitch/copy-metadata.ll
  test/Transforms/LoopUnswitch/freeze.ll
  test/Transforms/LoopUnswitch/infinite-loop.ll
  test/Transforms/LoopUnswitch/msan.ll
  test/Transforms/LoopUnswitch/trivial-unswitch.ll

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