1 // RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify -fcuda-is-device %s
2 
3 // Check how the force_cuda_host_device pragma interacts with template
4 // instantiations.
5 
6 template <typename T>
foo()7 auto foo() {  // expected-note {{declared here}}
8   return T();
9 }
10 
11 template <typename T>
12 struct X {
13   void foo(); // expected-note {{declared here}}
14 };
15 
16 #pragma clang force_cuda_host_device begin
test()17 __attribute__((host)) __attribute__((device)) void test() {
18   int n = foo<int>();  // expected-error {{reference to __host__ function 'foo<int>'}}
19   X<int>().foo();  // expected-error {{reference to __host__ function 'foo'}}
20 }
21 #pragma clang force_cuda_host_device end
22 
23 // Same thing as above, but within a force_cuda_host_device block without a
24 // corresponding end.
25 
26 template <typename T>
bar()27 T bar() {  // expected-note {{declared here}}
28   return T();
29 }
30 
31 template <typename T>
32 struct Y {
33   void bar(); // expected-note {{declared here}}
34 };
35 
36 #pragma clang force_cuda_host_device begin
test2()37 __attribute__((host)) __attribute__((device)) void test2() {
38   int n = bar<int>();  // expected-error {{reference to __host__ function 'bar<int>'}}
39   Y<int>().bar();  // expected-error {{reference to __host__ function 'bar'}}
40 }
41