[all-commits] [llvm/llvm-project] aab25f: [HLSL][SPIRV][DXIL] Implement `WaveActiveMax` intr...

[Adam Yang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: aab25f20f6c06bab7aac6fb83d54705ec4cdfadd
      https://github.com/llvm/llvm-project/commit/aab25f20f6c06bab7aac6fb83d54705ec4cdfadd
  Author: Adam Yang <hanbyang at microsoft.com>
  Date:   2025-01-27 (Mon, 27 Jan 2025)

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

  Log Message:
  -----------
  [HLSL][SPIRV][DXIL] Implement `WaveActiveMax` intrinsic (#123428)

```    - add clang builtin to Builtins.td
      - link builtin in hlsl_intrinsics
      - add codegen for spirv intrinsic and two directx intrinsics to retain
        signedness information of the operands in CGBuiltin.cpp
      - add semantic analysis in SemaHLSL.cpp
      - add lowering of spirv intrinsic to spirv backend in
        SPIRVInstructionSelector.cpp
      - add lowering of directx intrinsics to WaveActiveOp dxil op in
    DXIL.td

      - add test cases to illustrate passespendent pr merges.
```
Resolves #99170



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