blob: ba1ce86020453f655618913da6326ba3bcaefb3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
// RUN: %clang_cc1 %s --std=c++11 -triple x86_64-unknown-linux -emit-llvm -o - \
// RUN: -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"
__device__ void device_fn() {}
// expected-note@-1 5 {{'device_fn' declared here}}
struct S {
__device__ S() {}
// expected-note@-1 2 {{'S' declared here}}
__device__ ~S() { device_fn(); }
// expected-note@-1 {{'~S' declared here}}
int x;
};
struct T {
__host__ __device__ void hd() { device_fn(); }
// expected-error@-1 {{reference to __device__ function 'device_fn' in __host__ __device__ function}}
// No error; this is (implicitly) inline and is never called, so isn't
// codegen'ed.
__host__ __device__ void hd2() { device_fn(); }
__host__ __device__ void hd3();
__device__ void d() {}
// expected-note@-1 {{'d' declared here}}
};
__host__ __device__ void T::hd3() {
device_fn();
// expected-error@-1 {{reference to __device__ function 'device_fn' in __host__ __device__ function}}
}
template <typename T> __host__ __device__ void hd2() { device_fn(); }
// expected-error@-1 2 {{reference to __device__ function 'device_fn' in __host__ __device__ function}}
void host_fn() { hd2<int>(); }
__host__ __device__ void hd() { device_fn(); }
// expected-error@-1 {{reference to __device__ function 'device_fn' in __host__ __device__ function}}
// No error because this is never instantiated.
template <typename T> __host__ __device__ void hd3() { device_fn(); }
__host__ __device__ void local_var() {
S s;
// expected-error@-1 {{reference to __device__ function 'S' in __host__ __device__ function}}
}
__host__ __device__ void placement_new(char *ptr) {
::new(ptr) S();
// expected-error@-1 {{reference to __device__ function 'S' in __host__ __device__ function}}
}
__host__ __device__ void explicit_destructor(S *s) {
s->~S();
// expected-error@-1 {{reference to __device__ function '~S' in __host__ __device__ function}}
}
__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.d();
// expected-error@-1 {{reference to __device__ function 'd' in __host__ __device__ function}}
}
__host__ __device__ void fn_ptr() {
auto* ptr = &device_fn;
// expected-error@-1 {{reference to __device__ function 'device_fn' in __host__ __device__ function}}
}
template <typename T>
__host__ __device__ void fn_ptr_template() {
auto* ptr = &device_fn; // Not an error because the template isn't instantiated.
}
// Launching a kernel from a host function does not result in code generation
// for it, so calling HD function which calls a D function should not trigger
// errors.
static __host__ __device__ void hd_func() { device_fn(); }
__global__ void kernel() { hd_func(); }
void host_func(void) { kernel<<<1, 1>>>(); }
// Should allow host function call kernel template with device function argument.
__device__ void f();
template<void(*F)()> __global__ void t() { F(); }
__host__ void g() { t<f><<<1,1>>>(); }
|
