llvm-project/clang/test/Parser/cuda-force-host-device-temp...

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// RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify -fcuda-is-device %s
// Check how the force_cuda_host_device pragma interacts with template
// instantiations.
template <typename T>
auto foo() { // expected-note {{declared here}}
return T();
}
template <typename T>
struct X {
void foo(); // expected-note {{declared here}}
};
#pragma clang force_cuda_host_device begin
__attribute__((host)) __attribute__((device)) void test() {
int n = foo<int>(); // expected-error {{reference to __host__ function 'foo<int>'}}
X<int>().foo(); // expected-error {{reference to __host__ function 'foo'}}
}
#pragma clang force_cuda_host_device end
// Same thing as above, but within a force_cuda_host_device block without a
// corresponding end.
template <typename T>
T bar() { // expected-note {{declared here}}
return T();
}
template <typename T>
struct Y {
void bar(); // expected-note {{declared here}}
};
#pragma clang force_cuda_host_device begin
__attribute__((host)) __attribute__((device)) void test2() {
int n = bar<int>(); // expected-error {{reference to __host__ function 'bar<int>'}}
Y<int>().bar(); // expected-error {{reference to __host__ function 'bar'}}
}