[all-commits] [llvm/llvm-project] f9783c: [InstCombine] Fix `frexp(frexp(x)) -> frexp(x)` fo...

[Iris Shi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f9783c559f16991c19924898357edb9240a5f0aa
      https://github.com/llvm/llvm-project/commit/f9783c559f16991c19924898357edb9240a5f0aa
  Author: Iris Shi <0.0 at owo.li>
  Date:   2025-05-08 (Thu, 08 May 2025)

  Changed paths:
    M llvm/lib/Analysis/InstructionSimplify.cpp
    M llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
    M llvm/test/CodeGen/AMDGPU/frexp-constant-fold.ll
    A llvm/test/Transforms/InstCombine/frexp.ll
    R llvm/test/Transforms/InstSimplify/frexp.ll

  Log Message:
  -----------
  [InstCombine] Fix `frexp(frexp(x)) -> frexp(x)` fold (#138837)

Fixes #138819

When frexp is applied twice, the second result should be zero.



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