[all-commits] [llvm/llvm-project] ff80e1: [InstSimplify] Simplify `uadd.sat(X, Y) u>= X + Y`...

[Yingwei Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ff80e1ffe79d893be990cda981526a321697eb9a
      https://github.com/llvm/llvm-project/commit/ff80e1ffe79d893be990cda981526a321697eb9a
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2024-08-18 (Sun, 18 Aug 2024)

  Changed paths:
    M llvm/lib/Analysis/InstructionSimplify.cpp
    M llvm/test/Transforms/InstSimplify/saturating-add-sub.ll

  Log Message:
  -----------
  [InstSimplify] Simplify `uadd.sat(X, Y) u>= X + Y` and `usub.sat(X, Y) u<= X, Y` (#104698)

These patterns are found in harfbuzz/typst.

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



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