[PATCH] D29015: [LoopUnswitch] Fix introduction of UB when hoisted condition may be undef or poison

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune updated this revision to Diff 106917.
aqjune added a comment.
Herald added a subscriber: nhaehnle.

Rebased to svn commit 308173


https://reviews.llvm.org/D29015

Files:
  include/llvm/IR/IRBuilder.h
  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/AMDGPU/divergent-unswitch.ll
  test/Transforms/LoopUnswitch/basictest.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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