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// RUN: %clang_cc1 %s --std=c++11 -triple nvptx-unknown-unknown -fcuda-is-device \
// RUN: -emit-llvm -o /dev/null -verify -verify-ignore-unexpected=note
// Note: This test won't work with -fsyntax-only, because some of these errors
// are emitted during codegen.
#include "Inputs/cuda.h"
extern "C" void host_fn() {}
// expected-note@-1 7 {{'host_fn' declared here}}
struct Dummy {};
struct S {
S() {}
// expected-note@-1 2 {{'S' declared here}}
~S() { host_fn(); }
// expected-note@-1 {{'~S' declared here}}
int x;
};
struct T {
__host__ __device__ void hd() { host_fn(); }
// expected-error@-1 {{reference to __host__ function 'host_fn' in __host__ __device__ function}}
// No error; this is (implicitly) inline and is never called, so isn't
// codegen'ed.
__host__ __device__ void hd2() { host_fn(); }
__host__ __device__ void hd3();
void h() {}
// expected-note@-1 {{'h' declared here}}
void operator+();
// expected-note@-1 {{'operator+' declared here}}
void operator-(const T&) {}
// expected-note@-1 {{'operator-' declared here}}
operator Dummy() { return Dummy(); }
// expected-note@-1 {{'operator Dummy' declared here}}
__host__ void operator delete(void *) { host_fn(); };
__device__ void operator delete(void*, __SIZE_TYPE__);
};
struct U {
__device__ void operator delete(void*, __SIZE_TYPE__) = delete;
__host__ __device__ void operator delete(void*);
};
__host__ __device__ void T::hd3() {
host_fn();
// expected-error@-1 {{reference to __host__ function 'host_fn' in __host__ __device__ function}}
}
template <typename T> __host__ __device__ void hd2() { host_fn(); }
// expected-error@-1 {{reference to __host__ function 'host_fn' in __host__ __device__ function}}
__global__ void kernel() { hd2<int>(); }
__host__ __device__ void hd() { host_fn(); }
// expected-error@-1 {{reference to __host__ function 'host_fn' in __host__ __device__ function}}
template <typename T> __host__ __device__ void hd3() { host_fn(); }
// expected-error@-1 {{reference to __host__ function 'host_fn' in __host__ __device__ function}}
__device__ void device_fn() { hd3<int>(); }
// No error because this is never instantiated.
template <typename T> __host__ __device__ void hd4() { host_fn(); }
__host__ __device__ void local_var() {
S s;
// expected-error@-1 {{reference to __host__ function 'S' in __host__ __device__ function}}
}
__host__ __device__ void placement_new(char *ptr) {
::new(ptr) S();
// expected-error@-1 {{reference to __host__ function 'S' in __host__ __device__ function}}
}
__host__ __device__ void explicit_destructor(S *s) {
s->~S();
// expected-error@-1 {{reference to __host__ function '~S' in __host__ __device__ function}}
}
__host__ __device__ void class_specific_delete(T *t, U *u) {
delete t; // ok, call sized device delete even though host has preferable non-sized version
delete u; // ok, call non-sized HD delete rather than sized D delete
}
__host__ __device__ void hd_member_fn() {
T t;
// Necessary to trigger an error on T::hd. It's (implicitly) inline, so
// isn't codegen'ed until we call it.
t.hd();
}
__host__ __device__ void h_member_fn() {
T t;
t.h();
// expected-error@-1 {{reference to __host__ function 'h' in __host__ __device__ function}}
}
__host__ __device__ void fn_ptr() {
auto* ptr = &host_fn;
// expected-error@-1 {{reference to __host__ function 'host_fn' in __host__ __device__ function}}
}
template <typename T>
__host__ __device__ void fn_ptr_template() {
auto* ptr = &host_fn; // Not an error because the template isn't instantiated.
}
__host__ __device__ void unaryOp() {
T t;
(void) +t; // expected-error {{reference to __host__ function 'operator+' in __host__ __device__ function}}
}
__host__ __device__ void binaryOp() {
T t;
(void) (t - t); // expected-error {{reference to __host__ function 'operator-' in __host__ __device__ function}}
}
__host__ __device__ void implicitConversion() {
T t;
Dummy d = t; // expected-error {{reference to __host__ function 'operator Dummy' in __host__ __device__ function}}
}
template <typename T>
struct TmplStruct {
template <typename U> __host__ __device__ void fn() {}
};
template <>
template <>
__host__ __device__ void TmplStruct<int>::fn<int>() { host_fn(); }
// expected-error@-1 {{reference to __host__ function 'host_fn' in __host__ __device__ function}}
__device__ void double_specialization() { TmplStruct<int>().fn<int>(); }
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