1 // RUN: %clang_cc1 -std=c++11 -triple i386-windows-msvc \
2 // RUN:   -aux-triple nvptx-nvidia-cuda -fsyntax-only -verify %s
3 
4 // RUN: %clang_cc1 -std=c++11 -triple nvptx-nvidia-cuda \
5 // RUN:   -aux-triple i386-windows-msvc -fsyntax-only \
6 // RUN:   -fcuda-is-device -verify %s
7 
8 // RUN: %clang_cc1 -std=c++11 -triple nvptx-nvidia-cuda \
9 // RUN:   -aux-triple x86_64-linux-gnu -fsyntax-only \
10 // RUN:   -fcuda-is-device -verify -verify-ignore-unexpected=note \
11 // RUN:   -DEXPECT_ERR %s
12 
13 // CUDA device code should inherit the host's calling conventions.
14 
15 template <class T>
16 struct Foo;
17 
18 template <class T>
19 struct Foo<T()> {};
20 
21 // On x86_64-linux-gnu, this is a redefinition of the template, because the
22 // __fastcall calling convention doesn't exist (and is therefore ignored).
23 #ifndef EXPECT_ERR
24 // expected-no-diagnostics
25 #else
26 // expected-error@+4 {{redefinition of 'Foo}}
27 // expected-warning@+3 {{'__fastcall' calling convention is not supported}}
28 #endif
29 template <class T>
30 struct Foo<T __fastcall()> {};
31