[all-commits] [llvm/llvm-project] 3db48f: Revert "[ValueTracking] Let isGuaranteedNotToBeUnd...

[Daniil Suchkov via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 3db48f93248f005c8514a0050ef57f18a05bc489
      https://github.com/llvm/llvm-project/commit/3db48f93248f005c8514a0050ef57f18a05bc489
  Author: Daniil Suchkov <suc-daniil at yandex.ru>
  Date:   2020-03-05 (Thu, 05 Mar 2020)

  Changed paths:
    M llvm/include/llvm/Analysis/ValueTracking.h
    M llvm/lib/Analysis/InstructionSimplify.cpp
    M llvm/lib/Analysis/ValueTracking.cpp
    M llvm/test/Transforms/InstSimplify/freeze.ll

  Log Message:
  -----------
  Revert "[ValueTracking] Let isGuaranteedNotToBeUndefOrPoison look into branch conditions of dominating blocks' terminators"

That commit causes SIGSEGV on some simple tests.
This reverts commit 952ad4701cf0d8da79789f6b83ddaa386c60d535.


  Commit: f35a898f5f1efbefb8dbb2485b75d3cba693e396
      https://github.com/llvm/llvm-project/commit/f35a898f5f1efbefb8dbb2485b75d3cba693e396
  Author: Daniil Suchkov <suc-daniil at yandex.ru>
  Date:   2020-03-05 (Thu, 05 Mar 2020)

  Changed paths:
    A llvm/test/Transforms/LoopRotate/freeze-crash.ll

  Log Message:
  -----------
  [Test] Add a regression test for failure introduced by 952ad4701cf0d8da79789f6b83ddaa386c60d535


Compare: https://github.com/llvm/llvm-project/compare/5abfe646f5e1...f35a898f5f1e