[PATCH] D124595: [HLSL] Add llvm intrinsic for HLSL.

[Xiang Li via Phabricator via cfe-commits]

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A directx specific llvm intrinsic is introduced:

  float @llvm.dx.sin.f32(float)

It is for https://github.com/Microsoft/DirectXShaderCompiler/blob/master/docs/DXIL.rst#sin.
This change the llvm intrinsic and test it can be generated from clang codeGen.
The clang builtin change is in https://reviews.llvm.org/D124593


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D124595

Files:
  clang/include/clang/Basic/BuiltinsDirectX.def
  clang/include/clang/Basic/TargetBuiltins.h
  clang/lib/Basic/Targets/DirectX.cpp
  clang/lib/Basic/Targets/DirectX.h
  clang/test/CodeGenHLSL/Builtins/sin_f32.hlsl
  clang/test/SemaHLSL/Builtins/sin_f32.hlsl
  llvm/include/llvm/IR/CMakeLists.txt
  llvm/include/llvm/IR/Intrinsics.td
  llvm/include/llvm/IR/IntrinsicsDirectX.td
  llvm/lib/IR/Function.cpp

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