1 // RUN: %clang_cc1 -triple=x86_64-pc-win32 -verify -fopenmp    \
2 // RUN:   -x c++ -std=c++14 -fexceptions -fcxx-exceptions %s
3 
4 // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -verify -fopenmp \
5 // RUN:   -x c++ -std=c++14 -fexceptions -fcxx-exceptions %s
6 
7 int disp_variant();
8 #pragma omp declare variant(disp_variant) \
9     match(construct = {dispatch}, device = {arch(arm)})
10 int disp_call();
11 
12 struct Obj {
13   int disp_method_variant1();
14   #pragma omp declare variant(disp_method_variant1)                            \
15     match(construct={dispatch}, device={arch(arm)})
16   int disp_method1();
17   int disp_method_variant2();
18   #pragma omp declare variant(disp_method_variant2)                            \
19     match(construct={dispatch}, device={arch(arm)})
20   int disp_method2();
21 };
22 
23 void testit_one(int dnum) {
24   // expected-error@+1 {{cannot contain more than one 'device' clause}}
25   #pragma omp dispatch device(dnum) device(3)
26   disp_call();
27 
28   // expected-error@+1 {{cannot contain more than one 'nowait' clause}}
29   #pragma omp dispatch nowait device(dnum) nowait
30   disp_call();
31 
32   // expected-error@+1 {{expected '(' after 'novariants'}}
33   #pragma omp dispatch novariants
34   disp_call();
35 
36   // expected-error@+3 {{expected expression}}
37   // expected-error@+2 {{expected ')'}}
38   // expected-note@+1 {{to match this '('}}
39   #pragma omp dispatch novariants (
40   disp_call();
41 
42   // expected-error@+1 {{cannot contain more than one 'novariants' clause}}
43   #pragma omp dispatch novariants(dnum> 4) novariants(3)
44   disp_call();
45 
46   // expected-error@+1 {{use of undeclared identifier 'x'}}
47   #pragma omp dispatch novariants(x)
48   disp_call();
49 }
50 
51 void testit_two() {
52   //expected-error@+2 {{cannot return from OpenMP region}}
53   #pragma omp dispatch
54   return disp_call();
55 }
56 
57 void testit_three(int (*fptr)(void), Obj *obj, int (Obj::*mptr)(void)) {
58   //expected-error@+2 {{statement after '#pragma omp dispatch' must be a direct call to a target function or an assignment to one}}
59   #pragma omp dispatch
60   fptr();
61 
62   //expected-error@+2 {{statement after '#pragma omp dispatch' must be a direct call to a target function or an assignment to one}}
63   #pragma omp dispatch
64   (obj->*mptr)();
65 
66   int ret;
67 
68   //expected-error@+2 {{statement after '#pragma omp dispatch' must be a direct call to a target function or an assignment to one}}
69   #pragma omp dispatch
70   ret = fptr();
71 
72   //expected-error@+2 {{statement after '#pragma omp dispatch' must be a direct call to a target function or an assignment to one}}
73   #pragma omp dispatch
74   ret = (obj->*mptr)();
75 }
76 
77 void testit_four(int *x, int y, Obj *obj)
78 {
79   //expected-error@+2 {{statement after '#pragma omp dispatch' must be a direct call to a target function or an assignment to one}}
80   #pragma omp dispatch
81   *x = y;
82 
83   //expected-error@+2 {{statement after '#pragma omp dispatch' must be a direct call to a target function or an assignment to one}}
84   #pragma omp dispatch
85   y = disp_call() + disp_call();
86 
87   //expected-error@+2 {{statement after '#pragma omp dispatch' must be a direct call to a target function or an assignment to one}}
88   #pragma omp dispatch
89   y = (y = disp_call());
90 
91   //expected-error@+2 {{statement after '#pragma omp dispatch' must be a direct call to a target function or an assignment to one}}
92   #pragma omp dispatch
93   y += disp_call();
94 
95   //expected-error@+2 {{statement after '#pragma omp dispatch' must be a direct call to a target function or an assignment to one}}
96   #pragma omp dispatch
97   for (int I = 0; I < 8; ++I) {
98     disp_call();
99   }
100 }
101