[all-commits] [llvm/llvm-project] 240acb: [InstCombine] avoid infinite loops with select fol...

RotateRight via All-commits all-commits at lists.llvm.org
Sun Jun 20 06:53:22 PDT 2021


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 240acb0cff3f7a5b33e29ad7df2081dd9140d630
      https://github.com/llvm/llvm-project/commit/240acb0cff3f7a5b33e29ad7df2081dd9140d630
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2021-06-20 (Sun, 20 Jun 2021)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
    M llvm/test/Transforms/InstCombine/select-and-or.ll

  Log Message:
  -----------
  [InstCombine] avoid infinite loops with select folds of constant expressions

This pair of transforms was added recently with:
8591640379ac9175a

And could lead to conflicting folds:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35399




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