[all-commits] [llvm/llvm-project] 32f911: [InstCombine] Fold `ceil(X / (2 ^ C)) == 0` -> `X ...

[Iris Shi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 32f911f3e83b0a3d2242502940c487998672ffd4
      https://github.com/llvm/llvm-project/commit/32f911f3e83b0a3d2242502940c487998672ffd4
  Author: Iris Shi <0.0 at owo.li>
  Date:   2025-06-23 (Mon, 23 Jun 2025)

  Changed paths:
    M llvm/include/llvm/Analysis/ValueTracking.h
    M llvm/lib/Analysis/ValueTracking.cpp
    M llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
    A llvm/test/Transforms/InstCombine/ceil-shift.ll

  Log Message:
  -----------
  [InstCombine] Fold `ceil(X / (2 ^ C)) == 0` -> `X == 0` (#143683)

Co-authored-by: Yingwei Zheng <dtcxzyw2333 at gmail.com>



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