[all-commits] [llvm/llvm-project] 632151: InstCombine: improve optimizations for ceiling div...

[gaynor-anthropic via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 632151fbeea972f4aa3c14921eca1e45c07646f3
      https://github.com/llvm/llvm-project/commit/632151fbeea972f4aa3c14921eca1e45c07646f3
  Author: gaynor-anthropic <gaynor at anthropic.com>
  Date:   2025-06-17 (Tue, 17 Jun 2025)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
    M llvm/test/Transforms/InstCombine/add.ll

  Log Message:
  -----------
  InstCombine: improve optimizations for ceiling division with no overflow (#142869)

Fixes #142497.

Alive2: https://alive2.llvm.org/ce/z/CeaHaH

The contents of this pull request were substantially written using
claude-code. I've reviewed to the best of my ability (it's been years
since I did any compilers work).

---------

Co-authored-by: Yingwei Zheng <dtcxzyw at qq.com>
Co-authored-by: Nikita Popov <github at npopov.com>



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