[all-commits] [llvm/llvm-project] 976789: [HLSL] Implement Texture2D::Gather and Texture2D::...

[Steven Perron via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9767894b859d877da1d8507b384fb879a51379f9
      https://github.com/llvm/llvm-project/commit/9767894b859d877da1d8507b384fb879a51379f9
  Author: Steven Perron <stevenperron at google.com>
  Date:   2026-03-05 (Thu, 05 Mar 2026)

  Changed paths:
    M clang/include/clang/Basic/Builtins.td
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/CodeGen/CGHLSLBuiltins.cpp
    M clang/lib/CodeGen/CGHLSLRuntime.h
    M clang/lib/Sema/HLSLBuiltinTypeDeclBuilder.cpp
    M clang/lib/Sema/HLSLBuiltinTypeDeclBuilder.h
    M clang/lib/Sema/HLSLExternalSemaSource.cpp
    M clang/lib/Sema/SemaHLSL.cpp
    R clang/test/AST/HLSL/Texture2D-AST.hlsl
    A clang/test/AST/HLSL/Texture2D-scalar-AST.hlsl
    A clang/test/AST/HLSL/Texture2D-vector-AST.hlsl
    A clang/test/CodeGenHLSL/resources/Texture2D-Gather.hlsl
    A clang/test/SemaHLSL/Texture2D-Gather.hlsl
    A clang/test/SemaHLSL/Texture2D-GatherCmp-Vulkan.hlsl
    M llvm/include/llvm/IR/IntrinsicsDirectX.td

  Log Message:
  -----------
  [HLSL] Implement Texture2D::Gather and Texture2D::GatherCmp (#183323)

Add the Gather functions for Texture2D. Variations for all components
are added (Red, Blue, Greed, Alpha). If targeting Vulkan then the
GatherCmp* function for a component other than 0 will result in an
error, as that will lead to invalid SPIR-V.

Part of https://github.com/llvm/llvm-project/issues/175630.

Assisted by: Gemini



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