[PATCH] D124189: [CUDA][HIP] Externalize kernels with internal linkage

[Yaxun Liu via Phabricator via cfe-commits]

yaxunl created this revision.
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This patch is a continuation of https://reviews.llvm.org/D123353.

Not only kernels in anonymous namespace, but also template
kernels with template arguments in anonymous namespace
need to be externalized.

To be more generic, this patch checks the linkage of a kernel
assuming the kernel does not have `__global__` attribute. If
the linkage is internal then clang will externalize it.


https://reviews.llvm.org/D124189

Files:
  clang/include/clang/AST/ASTContext.h
  clang/lib/AST/ASTContext.cpp
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/test/CodeGenCUDA/device-var-linkage.cu
  clang/test/CodeGenCUDA/kernel-in-anon-ns.cu
  clang/test/CodeGenCUDA/managed-var.cu
  clang/test/CodeGenCUDA/static-device-var-rdc.cu

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