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