[all-commits] [llvm/llvm-project] 6f5e99: [DirectX] legalize usub.sat (#135288)

[Farzon Lotfi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6f5e993b179a6f93b40d375a8864f2a482f3ca5d
      https://github.com/llvm/llvm-project/commit/6f5e993b179a6f93b40d375a8864f2a482f3ca5d
  Author: Farzon Lotfi <farzonlotfi at microsoft.com>
  Date:   2025-04-11 (Fri, 11 Apr 2025)

  Changed paths:
    M llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp
    A llvm/test/CodeGen/DirectX/usub_sat.ll

  Log Message:
  -----------
  [DirectX] legalize usub.sat (#135288)

fixes #135285

This change implements the `usub.sat` intrinsic to perform an unsigned
saturating subtraction on the 2 arguments.
The minimum value this operation is clamp to is 0.



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