[all-commits] [llvm/llvm-project] 78e32b: [clang][AMDGPU] Clean-up handling of named barrier...

[Pierre van Houtryve via All-commits]

  Branch: refs/heads/users/pierre-vh/add-hipbarrier-langas
  Home:   https://github.com/llvm/llvm-project
  Commit: 78e32b692c5cbb4b6a20abf2970e378fe47a5e48
      https://github.com/llvm/llvm-project/commit/78e32b692c5cbb4b6a20abf2970e378fe47a5e48
  Author: pvanhout <pierre.vanhoutryve at amd.com>
  Date:   2026-07-15 (Wed, 15 Jul 2026)

  Changed paths:
    M clang/include/clang/AST/TypeBase.h
    M clang/include/clang/Basic/AddressSpaces.h
    M clang/include/clang/Basic/Attr.td
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/include/clang/Basic/TargetInfo.h
    M clang/include/clang/Sema/SemaAMDGPU.h
    M clang/lib/AST/ASTContext.cpp
    M clang/lib/AST/Type.cpp
    M clang/lib/AST/TypePrinter.cpp
    M clang/lib/Basic/TargetInfo.cpp
    M clang/lib/Basic/Targets/AArch64.h
    M clang/lib/Basic/Targets/AMDGPU.cpp
    M clang/lib/Basic/Targets/DirectX.h
    M clang/lib/Basic/Targets/NVPTX.h
    M clang/lib/Basic/Targets/SPIR.h
    M clang/lib/Basic/Targets/SystemZ.h
    M clang/lib/Basic/Targets/TCE.h
    M clang/lib/Basic/Targets/WebAssembly.h
    M clang/lib/Basic/Targets/X86.h
    M clang/lib/CodeGen/CodeGenModule.cpp
    M clang/lib/Sema/Sema.cpp
    M clang/lib/Sema/SemaAMDGPU.cpp
    M clang/lib/Sema/SemaDecl.cpp
    M clang/test/CodeGenHIP/amdgpu-barrier-type.hip
    M clang/test/SemaCXX/amdgpu-barrier.cpp
    M clang/test/SemaHIP/amdgpu-barrier.hip
    M clang/test/SemaOpenCL/amdgpu-barrier.cl
    M clang/test/SemaTemplate/address_space-dependent.cpp

  Log Message:
  -----------
  [clang][AMDGPU] Clean-up handling of named barrier type

- Allow the type in struct/classes in very limited circumstances. The goal is to enable creating trivial wrappers around the named barrier variable, but ensure we can't get into situations where things would get awkward. Currently this means we only allow the named barrier in RecordDecls with exactly 1 field, that have no base class, and are not inherited.
- Use a `amdgpu_barrier` LangAS for this type that currently maps to the local AS. This allows easy switching to the barrier AS in a future patch.



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