[all-commits] [llvm/llvm-project] 6eef38: [InstCombine] Test comparison of abs with int min ...

[Nikita Popov via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 6eef387ddd863db1afe044e208bbff4366d5dac2
      https://github.com/llvm/llvm-project/commit/6eef387ddd863db1afe044e208bbff4366d5dac2
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2020-09-08 (Tue, 08 Sep 2020)

  Changed paths:
    M llvm/test/Transforms/InstCombine/abs-intrinsic.ll

  Log Message:
  -----------
  [InstCombine] Test comparison of abs with int min (NFC)


  Commit: f6b87da0c73fcf7f8f051151ce62d2e07a466a8e
      https://github.com/llvm/llvm-project/commit/f6b87da0c73fcf7f8f051151ce62d2e07a466a8e
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2020-09-08 (Tue, 08 Sep 2020)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
    M llvm/test/Transforms/InstCombine/abs-intrinsic.ll

  Log Message:
  -----------
  [InstCombine] Fold comparison of abs with int min

If the abs is poisoning, this is already folded to true/false.
For non-poisoning abs, we can convert this to a comparison with
the operand.


Compare: https://github.com/llvm/llvm-project/compare/e97f3b1b4327...f6b87da0c73f