1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4
5 int foo();
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 critical
10 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
11 }
12
13 template<typename T, int N>
tmain(int argc,char ** argv)14 int tmain(int argc, char **argv) { // expected-note {{declared here}}
15 #pragma omp critical
16 ;
17 #pragma omp critical untied allocate(argc) // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp critical'}} expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp critical'}}
18 #pragma omp critical unknown // expected-warning {{extra tokens at the end of '#pragma omp critical' are ignored}}
19 #pragma omp critical ( // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
20 #pragma omp critical ( + // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
21 #pragma omp critical (name2 // expected-error {{expected ')'}} expected-note {{to match this '('}}
22 #pragma omp critical (name1)
23 foo();
24 {
25 #pragma omp critical
26 } // expected-error {{expected statement}}
27 #pragma omp critical (name2) // expected-note {{previous 'critical' region starts here}}
28 #pragma omp critical
29 for (int i = 0; i < 10; ++i) {
30 foo();
31 #pragma omp parallel
32 #pragma omp for
33 for (int j = 0; j < 10; j++) {
34 foo();
35 #pragma omp critical(name2) // expected-error {{cannot nest 'critical' regions having the same name 'name2'}}
36 foo();
37 }
38 }
39 #pragma omp critical (name2)
40 #pragma omp critical
41 for (int i = 0; i < 10; ++i) {
42 foo();
43 #pragma omp parallel
44 #pragma omp for
45 for (int j = 0; j < 10; j++) {
46 #pragma omp critical
47 foo();
48 }
49 }
50 #pragma omp critical (name2)
51 #pragma omp critical
52 for (int i = 0; i < 10; ++i) {
53 foo();
54 #pragma omp parallel
55 #pragma omp for
56 for (int j = 0; j < 10; j++) {
57 #pragma omp critical (nam)
58 foo();
59 }
60 }
61
62 #pragma omp critical (name2) hint // expected-error {{expected '(' after 'hint'}}
63 foo();
64 #pragma omp critical (name2) hint( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
65 foo();
66 #pragma omp critical (name2) hint(+ // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
67 foo();
68 #pragma omp critical (name2) hint(argc) // expected-error {{integral constant expression}} expected-note 0+{{constant expression}}
69 foo();
70 #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'}}
71 foo();
72 #pragma omp critical hint(N) // expected-error {{the name of the construct must be specified in presence of 'hint' clause}}
73 foo();
74 return 0;
75 }
76
main(int argc,char ** argv)77 int main(int argc, char **argv) { // expected-note {{declared here}}
78 #pragma omp critical
79 ;
80 #pragma omp critical untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp critical'}}
81 #pragma omp critical unknown // expected-warning {{extra tokens at the end of '#pragma omp critical' are ignored}}
82 #pragma omp critical ( // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
83 #pragma omp critical ( + // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
84 #pragma omp critical (name2 // expected-error {{expected ')'}} expected-note {{to match this '('}}
85 #pragma omp critical (name1)
86 foo();
87 {
88 #pragma omp critical
89 } // expected-error {{expected statement}}
90 #pragma omp critical (name2) // expected-note {{previous 'critical' region starts here}}
91 #pragma omp critical
92 for (int i = 0; i < 10; ++i) {
93 foo();
94 #pragma omp parallel
95 #pragma omp for
96 for (int j = 0; j < 10; j++) {
97 foo();
98 #pragma omp critical(name2) // expected-error {{cannot nest 'critical' regions having the same name 'name2'}}
99 foo();
100 }
101 }
102 #pragma omp critical (name2)
103 #pragma omp critical
104 for (int i = 0; i < 10; ++i) {
105 foo();
106 #pragma omp parallel
107 #pragma omp for
108 for (int j = 0; j < 10; j++) {
109 #pragma omp critical
110 foo();
111 }
112 }
113 #pragma omp critical (name2)
114 #pragma omp critical
115 for (int i = 0; i < 10; ++i) {
116 foo();
117 #pragma omp parallel
118 #pragma omp for
119 for (int j = 0; j < 10; j++) {
120 #pragma omp critical (nam)
121 foo();
122 }
123 }
124
125 #pragma omp critical (name2) hint // expected-error {{expected '(' after 'hint'}}
126 foo();
127 #pragma omp critical (name2) hint( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
128 foo();
129 #pragma omp critical (name2) hint(+ // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
130 foo();
131 #pragma omp critical (name2) hint(argc) // expected-error {{integral constant expression}} expected-note 0+{{constant expression}}
132 foo();
133 #pragma omp critical (name) hint(23) // expected-note {{previous 'hint' clause with value '23'}}
134 foo();
135 #pragma omp critical hint(-5) // expected-error {{argument to 'hint' clause must be a strictly positive integer value}}
136 foo();
137 #pragma omp critical hint(1) // expected-error {{the name of the construct must be specified in presence of 'hint' clause}}
138 foo();
139 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}}
140 }
141
foo()142 int foo() {
143 L1: // expected-note {{jump exits scope of OpenMP structured block}}
144 foo();
145 #pragma omp critical
146 {
147 foo();
148 goto L1; // expected-error {{cannot jump from this goto statement to its label}}
149 }
150 goto L2; // expected-error {{cannot jump from this goto statement to its label}}
151 #pragma omp critical
152 { // expected-note {{jump bypasses OpenMP structured block}}
153 L2:
154 foo();
155 }
156
157 return 0;
158 }
159