xref: /llvm-project/clang/test/OpenMP/parallel_sections_messages.cpp (revision a8a9153a372afcfe2d18399b079bfdc5fd4da626)
1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 -o - %s
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s
4 
5 void foo() {
6 }
7 
8 #pragma omp parallel sections // expected-error {{unexpected OpenMP directive '#pragma omp parallel sections'}}
9 
10 int main(int argc, char **argv) {
11 #pragma omp parallel sections {// expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
12   {
13     foo();
14   }
15 #pragma omp parallel sections( // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
16   {
17     foo();
18   }
19 #pragma omp parallel sections[ // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
20   {
21     foo();
22   }
23 #pragma omp parallel sections] // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
24   {
25     foo();
26   }
27 #pragma omp parallel sections) // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
28   {
29     foo();
30   }
31 #pragma omp parallel sections } // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
32   {
33     foo();
34   }
35 // expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
36 #pragma omp parallel sections unknown()
37   {
38     foo();
39 #pragma omp section
40   L1:
41     foo();
42   }
43 #pragma omp parallel sections
44   {
45     ;
46   }
47 #pragma omp parallel sections
48   {
49     goto L1; // expected-error {{use of undeclared label 'L1'}}
50   }
51 
52   for (int i = 0; i < 10; ++i) {
53     switch (argc) {
54     case (0):
55 #pragma omp parallel sections
56     {
57       foo();
58       break;    // expected-error {{'break' statement not in loop or switch statement}}
59       continue; // expected-error {{'continue' statement not in loop statement}}
60     }
61     default:
62       break;
63     }
64   }
65 #pragma omp parallel sections default(none)
66   {
67     ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
68   }
69 
70   goto L2; // expected-error {{use of undeclared label 'L2'}}
71 #pragma omp parallel sections
72   {
73   L2:
74     foo();
75   }
76 #pragma omp parallel sections
77   {
78     return 1; // expected-error {{cannot return from OpenMP region}}
79   }
80 
81   [[]] // expected-error {{an attribute list cannot appear here}}
82 #pragma omp parallel sections
83   {
84   }
85 
86   return 0;
87 }
88