[all-commits] [llvm/llvm-project] 5df1b7: [HLSL] Add `[[hlsl::raw_buffer]]` attribute (#107954)

[Helena Kotas via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5df1b79372a89648cdb4ab798f1c74985e00ac6e
      https://github.com/llvm/llvm-project/commit/5df1b79372a89648cdb4ab798f1c74985e00ac6e
  Author: Helena Kotas <hekotas at microsoft.com>
  Date:   2024-09-16 (Mon, 16 Sep 2024)

  Changed paths:
    M clang/include/clang/AST/Type.h
    M clang/include/clang/AST/TypeProperties.td
    M clang/include/clang/Basic/Attr.td
    M clang/lib/AST/ASTStructuralEquivalence.cpp
    M clang/lib/AST/TypePrinter.cpp
    M clang/lib/Sema/HLSLExternalSemaSource.cpp
    M clang/lib/Sema/SemaHLSL.cpp
    M clang/lib/Sema/SemaType.cpp
    M clang/test/AST/HLSL/StructuredBuffer-AST.hlsl
    A clang/test/ParserHLSL/hlsl_raw_buffer_attr.hlsl
    A clang/test/ParserHLSL/hlsl_raw_buffer_attr_error.hlsl

  Log Message:
  -----------
  [HLSL] Add `[[hlsl::raw_buffer]]` attribute (#107954)

This PR introduces new HLSL resource type attribute
`[[hlsl::raw_buffer]]`. Presence of this attribute on a resource handle
means that the resource does not require typed element access. The
attribute will be used on resource handles that represent buffers like
`StructuredBuffer` or `ByteAddressBuffer` and in DXIL it will be
translated to target extension type `dx.RawBuffer`.

Fixes #107907



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