1 // RUN: %clang_cc1 -verify -fopenmp %s
2
3 int foo();
4
5 template<typename T, int N>
tmain(int argc,char ** argv)6 int tmain(int argc, char **argv) { // expected-note {{declared here}}
7 #pragma omp critical
8 ;
9 #pragma omp critical untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp critical'}}
10 #pragma omp critical unknown // expected-warning {{extra tokens at the end of '#pragma omp critical' are ignored}}
11 #pragma omp critical ( // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
12 #pragma omp critical ( + // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
13 #pragma omp critical (name2 // expected-error {{expected ')'}} expected-note {{to match this '('}}
14 #pragma omp critical (name1)
15 foo();
16 {
17 #pragma omp critical
18 } // expected-error {{expected statement}}
19 #pragma omp critical (name2) // expected-note {{previous 'critical' region starts here}}
20 #pragma omp critical
21 for (int i = 0; i < 10; ++i) {
22 foo();
23 #pragma omp parallel
24 #pragma omp for
25 for (int j = 0; j < 10; j++) {
26 foo();
27 #pragma omp critical(name2) // expected-error {{cannot nest 'critical' regions having the same name 'name2'}}
28 foo();
29 }
30 }
31 #pragma omp critical (name2)
32 #pragma omp critical
33 for (int i = 0; i < 10; ++i) {
34 foo();
35 #pragma omp parallel
36 #pragma omp for
37 for (int j = 0; j < 10; j++) {
38 #pragma omp critical
39 foo();
40 }
41 }
42 #pragma omp critical (name2)
43 #pragma omp critical
44 for (int i = 0; i < 10; ++i) {
45 foo();
46 #pragma omp parallel
47 #pragma omp for
48 for (int j = 0; j < 10; j++) {
49 #pragma omp critical (nam)
50 foo();
51 }
52 }
53
54 #pragma omp critical (name2) hint // expected-error {{expected '(' after 'hint'}}
55 foo();
56 #pragma omp critical (name2) hint( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
57 foo();
58 #pragma omp critical (name2) hint(+ // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
59 foo();
60 #pragma omp critical (name2) hint(argc) // expected-error {{expression is not an integral constant expression}} expected-note {{read of non-const variable 'argc' is not allowed in a constant expression}}
61 foo();
62 #pragma omp critical (name) hint(N) // expected-error {{argument to 'hint' clause must be a strictly positive integer value}} expected-error {{constructs with the same name must have a 'hint' clause with the same value}} expected-note {{'hint' clause with value '4'}}
63 foo();
64 #pragma omp critical hint(N) // expected-error {{the name of the construct must be specified in presence of 'hint' clause}}
65 foo();
66 return 0;
67 }
68
main(int argc,char ** argv)69 int main(int argc, char **argv) { // expected-note {{declared here}}
70 #pragma omp critical
71 ;
72 #pragma omp critical untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp critical'}}
73 #pragma omp critical unknown // expected-warning {{extra tokens at the end of '#pragma omp critical' are ignored}}
74 #pragma omp critical ( // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
75 #pragma omp critical ( + // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
76 #pragma omp critical (name2 // expected-error {{expected ')'}} expected-note {{to match this '('}}
77 #pragma omp critical (name1)
78 foo();
79 {
80 #pragma omp critical
81 } // expected-error {{expected statement}}
82 #pragma omp critical (name2) // expected-note {{previous 'critical' region starts here}}
83 #pragma omp critical
84 for (int i = 0; i < 10; ++i) {
85 foo();
86 #pragma omp parallel
87 #pragma omp for
88 for (int j = 0; j < 10; j++) {
89 foo();
90 #pragma omp critical(name2) // expected-error {{cannot nest 'critical' regions having the same name 'name2'}}
91 foo();
92 }
93 }
94 #pragma omp critical (name2)
95 #pragma omp critical
96 for (int i = 0; i < 10; ++i) {
97 foo();
98 #pragma omp parallel
99 #pragma omp for
100 for (int j = 0; j < 10; j++) {
101 #pragma omp critical
102 foo();
103 }
104 }
105 #pragma omp critical (name2)
106 #pragma omp critical
107 for (int i = 0; i < 10; ++i) {
108 foo();
109 #pragma omp parallel
110 #pragma omp for
111 for (int j = 0; j < 10; j++) {
112 #pragma omp critical (nam)
113 foo();
114 }
115 }
116
117 #pragma omp critical (name2) hint // expected-error {{expected '(' after 'hint'}}
118 foo();
119 #pragma omp critical (name2) hint( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
120 foo();
121 #pragma omp critical (name2) hint(+ // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
122 foo();
123 #pragma omp critical (name2) hint(argc) // expected-error {{expression is not an integral constant expression}} expected-note {{read of non-const variable 'argc' is not allowed in a constant expression}}
124 foo();
125 #pragma omp critical (name) hint(23) // expected-note {{previous 'hint' clause with value '23'}}
126 foo();
127 #pragma omp critical hint(-5) // expected-error {{argument to 'hint' clause must be a strictly positive integer value}}
128 foo();
129 #pragma omp critical hint(1) // expected-error {{the name of the construct must be specified in presence of 'hint' clause}}
130 foo();
131 return tmain<int, 4>(argc, argv) + tmain<float, -5>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<float, -5>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<int, 4>' requested here}}
132 }
133
foo()134 int foo() {
135 L1:
136 foo();
137 #pragma omp critical
138 {
139 foo();
140 goto L1; // expected-error {{use of undeclared label 'L1'}}
141 }
142 goto L2; // expected-error {{use of undeclared label 'L2'}}
143 #pragma omp critical
144 {
145 L2:
146 foo();
147 }
148
149 return 0;
150 }
151