[PATCH] D112492: [HIP] Do not use kernel handle for MSVC target

[Yaxun Liu via Phabricator via cfe-commits]

yaxunl created this revision.
yaxunl added a reviewer: tra.
yaxunl requested review of this revision.

Currently Visual Studio 2019 has a linker issue which causes linking error
when a template kernel is instantiated in different compilation units.
On the other hand, it is unnecessary to prefix kernel stub for MSVC
target since the host and device compilation uses different mangling
ABI.

This patch let clang not emit kernel handle for MSVC target to work
around the linker issue.


https://reviews.llvm.org/D112492

Files:
  clang/include/clang/AST/GlobalDecl.h
  clang/lib/CodeGen/CGCUDANV.cpp
  clang/lib/CodeGen/CGExpr.cpp
  clang/test/CodeGenCUDA/kernel-stub-name.cu

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