[all-commits] [llvm/llvm-project] 75e7ba: [HLSL] Re-implement countbits with the correct ret...

[Sarah Spall via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 75e7ba8c0b7efe75632d328a80391b9086ba8740
      https://github.com/llvm/llvm-project/commit/75e7ba8c0b7efe75632d328a80391b9086ba8740
  Author: Sarah Spall <sarahspall at microsoft.com>
  Date:   2024-10-29 (Tue, 29 Oct 2024)

  Changed paths:
    M clang/lib/Headers/hlsl/hlsl_intrinsics.h
    M clang/test/CodeGenHLSL/builtins/countbits.hlsl
    M clang/test/SemaHLSL/BuiltIns/countbits-errors.hlsl
    M llvm/lib/Target/DirectX/DXIL.td
    M llvm/lib/Target/DirectX/DXILOpLowering.cpp
    M llvm/test/CodeGen/DirectX/countbits.ll

  Log Message:
  -----------
  [HLSL] Re-implement countbits with the correct return type (#113189)

Restricts hlsl countbits to always return a uint32.
Implements a lowering from llvm.ctpop which has an overloaded return
type to dxil cbits op which always returns uint32.
Closes #112779



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