[PATCH] D128155: [GuardWidening] Use freeze to widen using possible poison value.

[Serguei Katkov via Phabricator via llvm-commits]

skatkov updated this revision to Diff 441638.
skatkov added a comment.

I come up with this version of the solution.

Dear reviewers, I would appreciate the review.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D128155/new/

https://reviews.llvm.org/D128155

Files:
  llvm/lib/Transforms/Scalar/GuardWidening.cpp
  llvm/test/Transforms/GuardWidening/basic-loop.ll
  llvm/test/Transforms/GuardWidening/basic.ll
  llvm/test/Transforms/GuardWidening/basic_widenable_condition_guards.ll
  llvm/test/Transforms/GuardWidening/loop-schedule.ll
  llvm/test/Transforms/GuardWidening/mixed_guards.ll
  llvm/test/Transforms/GuardWidening/posion.ll
  llvm/test/Transforms/GuardWidening/range-check-merging.ll

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