[all-commits] [llvm/llvm-project] 3f302e: [InstCombine] Fold usub_sat((sub nuw C1, A), C2) t...

[elhewaty via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3f302eaca46ec068879831cae76d4aeda2bf82f8
      https://github.com/llvm/llvm-project/commit/3f302eaca46ec068879831cae76d4aeda2bf82f8
  Author: elhewaty <mohamedatef1698 at gmail.com>
  Date:   2024-03-11 (Mon, 11 Mar 2024)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
    M llvm/test/Transforms/InstCombine/unsigned_saturated_sub.ll

  Log Message:
  -----------
  [InstCombine] Fold usub_sat((sub nuw C1, A), C2) to usub_sat(C1 - C2, A) or 0 (#82280)

- Fixes: https://github.com/llvm/llvm-project/issues/82177
- Alive2: https://alive2.llvm.org/ce/z/Q7mMC3



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