[all-commits] [llvm/llvm-project] 2d47a0: Add step builtins and step HLSL function to Direct...

[Joshua Batista via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2d47a0baba6f18b5cdf14c007e01b79e37d15c72
      https://github.com/llvm/llvm-project/commit/2d47a0baba6f18b5cdf14c007e01b79e37d15c72
  Author: Joshua Batista <jbatista at microsoft.com>
  Date:   2024-09-12 (Thu, 12 Sep 2024)

  Changed paths:
    M clang/include/clang/Basic/Builtins.td
    M clang/lib/CodeGen/CGBuiltin.cpp
    M clang/lib/CodeGen/CGHLSLRuntime.h
    M clang/lib/Headers/hlsl/hlsl_intrinsics.h
    M clang/lib/Sema/SemaHLSL.cpp
    A clang/test/CodeGenHLSL/builtins/step.hlsl
    A clang/test/SemaHLSL/BuiltIns/step-errors.hlsl
    M llvm/include/llvm/IR/IntrinsicsDirectX.td
    M llvm/include/llvm/IR/IntrinsicsSPIRV.td
    M llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp
    M llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
    A llvm/test/CodeGen/DirectX/step.ll
    A llvm/test/CodeGen/SPIRV/hlsl-intrinsics/step.ll

  Log Message:
  -----------
  Add step builtins and step HLSL function to DirectX and SPIR-V backend (#106471)

This PR adds the step intrinsic and an HLSL function that uses it.
The SPIRV backend is also implemented.

Used https://github.com/llvm/llvm-project/pull/102683 as a reference.
Fixes https://github.com/llvm/llvm-project/issues/99157



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