1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp -std=c++11 -o - %s -Wuninitialized
2 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -std=c++11 -o - %s -Wuninitialized
3
4 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd -std=c++11 -o - %s -Wuninitialized
5 // RUN: %clang_cc1 -verify -fopenmp-version=50 -fopenmp-simd -std=c++11 -o - %s -Wuninitialized
6
xxx(int argc)7 void xxx(int argc) {
8 int x; // expected-note {{initialize the variable 'x' to silence this warning}}
9 #pragma omp target
10 #pragma omp teams
11 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
12 }
13
foo()14 void foo() {
15 }
16
17 #pragma omp teams // expected-error {{unexpected OpenMP directive '#pragma omp teams'}}
18
main(int argc,char ** argv)19 int main(int argc, char **argv) {
20 #pragma omp teams // omp45-error {{orphaned 'omp teams' directives are prohibited; perhaps you forget to enclose the directive into a target region?}}
21 ;
22 #pragma omp target
23 #pragma omp teams
24 f; // expected-error {{use of undeclared identifier 'f'}}
25 #pragma omp target
26 #pragma omp teams { // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
27 foo();
28 #pragma omp target
29 #pragma omp teams ( // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
30 foo();
31 #pragma omp target
32 #pragma omp teams [ // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
33 foo();
34 #pragma omp target
35 #pragma omp teams ] // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
36 foo();
37 #pragma omp target
38 #pragma omp teams ) // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
39 foo();
40 #pragma omp target
41 #pragma omp teams } // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
42 foo();
43 #pragma omp target
44 #pragma omp teams
45 foo();
46 // expected-warning@+2 {{extra tokens at the end of '#pragma omp teams' are ignored}}
47 #pragma omp target
48 #pragma omp teams unknown()
49 foo();
50 L1:
51 foo();
52 #pragma omp target
53 #pragma omp teams
54 ;
55 #pragma omp target
56 #pragma omp teams
57 {
58 goto L1; // expected-error {{use of undeclared label 'L1'}}
59 argc++;
60 }
61
62 for (int i = 0; i < 10; ++i) {
63 switch(argc) {
64 case (0):
65 #pragma omp target
66 #pragma omp teams
67 {
68 foo();
69 break; // expected-error {{'break' statement not in loop or switch statement}}
70 continue; // expected-error {{'continue' statement not in loop statement}}
71 }
72 default:
73 break;
74 }
75 }
76 #pragma omp target
77 #pragma omp teams default(none) // expected-note {{explicit data sharing attribute requested here}}
78 ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
79
80 goto L2; // expected-error {{use of undeclared label 'L2'}}
81 #pragma omp target
82 #pragma omp teams
83 L2:
84 foo();
85 #pragma omp target
86 #pragma omp teams
87 {
88 return 1; // expected-error {{cannot return from OpenMP region}}
89 }
90
91 [[]] // expected-error {{an attribute list cannot appear here}}
92 #pragma omp target
93 #pragma omp teams
94 for (int n = 0; n < 100; ++n) {}
95
96 return 0;
97 }
98
99