[all-commits] [llvm/llvm-project] 6bea9f: [HLSL] Add WaveActiveCountBits as Langugage builti...

[Xiang Li via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6bea9ff91378571b3bedcdc12fac7bb916371871
      https://github.com/llvm/llvm-project/commit/6bea9ff91378571b3bedcdc12fac7bb916371871
  Author: Xiang Li <python3kgae at outlook.com>
  Date:   2022-06-02 (Thu, 02 Jun 2022)

  Changed paths:
    M clang/include/clang/Basic/Builtins.def
    M clang/include/clang/Basic/Builtins.h
    A clang/test/SemaHLSL/Wave.hlsl

  Log Message:
  -----------
  [HLSL] Add WaveActiveCountBits as Langugage builtin function for HLSL

One clang builtins are introduced
 uint WaveActiveCountBits( bool bBit ) as Langugage builtin function for HLSL.

The detail for WaveActiveCountBits is at
https://github.com/microsoft/DirectXShaderCompiler/wiki/Wave-Intrinsics#uint-waveactivecountbits-bool-bbit-

This is only clang part change to make WaveActiveCountBits into AST.
llvm intrinsic for WaveActiveCountBits will be add in separate PR.

Reviewed By: Anastasia

Differential Revision: https://reviews.llvm.org/D126857