xref: /llvm-project/clang/test/SemaCUDA/method-target.cu (revision 9275e14379961a4304de559f16fdbac275fb6301)
1 // RUN: %clang_cc1 -fsyntax-only -verify=host,expected %s
2 // RUN: %clang_cc1 -fcuda-is-device -fsyntax-only -verify=dev,expected %s
3 
4 #include "Inputs/cuda.h"
5 
6 //------------------------------------------------------------------------------
7 // Test 1: host method called from device function
8 
9 struct S1 {
methodS110   void method() {} // dev-note {{'method' declared here}}
11 };
12 
foo1(S1 & s)13 __device__ void foo1(S1& s) {
14   s.method(); // dev-error {{reference to __host__ function 'method' in __device__ function}}
15 }
16 
17 //------------------------------------------------------------------------------
18 // Test 2: host method called from device function, for overloaded method
19 
20 struct S2 {
methodS221   void method(int) {} // expected-note {{candidate function not viable: call to __host__ function from __device__ function}}
methodS222   void method(float) {} // expected-note {{candidate function not viable: call to __host__ function from __device__ function}}
23 };
24 
foo2(S2 & s,int i,float f)25 __device__ void foo2(S2& s, int i, float f) {
26   s.method(f); // expected-error {{no matching member function}}
27 }
28 
29 //------------------------------------------------------------------------------
30 // Test 3: device method called from host function
31 
32 struct S3 {
methodS333   __device__ void method() {} // host-note {{'method' declared here}}
34 };
35 
foo3(S3 & s)36 void foo3(S3& s) {
37   s.method(); // host-error {{reference to __device__ function 'method' in __host__ function}}
38 }
39 
40 //------------------------------------------------------------------------------
41 // Test 4: device method called from host&device function
42 
43 struct S4 {
methodS444   __device__ void method() {}  // host-note {{'method' declared here}}
45 };
46 
foo4(S4 & s)47 __host__ __device__ void foo4(S4& s) {
48   s.method(); // host-error {{reference to __device__ function 'method' in __host__ __device__ function}}
49 }
50 
51 //------------------------------------------------------------------------------
52 // Test 5: overloaded operators
53 
54 struct S5 {
S5S555   S5() {}
operator =S556   S5& operator=(const S5&) {return *this;} // expected-note {{candidate function not viable}}
57 };
58 
foo5(S5 & s,S5 & t)59 __device__ void foo5(S5& s, S5& t) {
60   s = t; // expected-error {{no viable overloaded '='}}
61 }
62 
63 //------------------------------------------------------------------------------
64 // Test 6: call method through pointer
65 
66 struct S6 {
methodS667   void method() {} // dev-note {{'method' declared here}};
68 };
69 
foo6(S6 * s)70 __device__ void foo6(S6* s) {
71   s->method(); // dev-error {{reference to __host__ function 'method' in __device__ function}}
72 }
73