1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
4 
5 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
6 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
7 
foo()8 void foo() {
9 }
10 
foobool(int argc)11 bool foobool(int argc) {
12   return argc;
13 }
14 
xxx(int argc)15 void xxx(int argc) {
16   int cond; // expected-note {{initialize the variable 'cond' to silence this warning}}
17 #pragma omp parallel master if(cond) // expected-warning {{variable 'cond' is uninitialized when used here}}
18   {
19     ;
20   }
21 }
22 
23 struct S1; // expected-note {{declared here}}
24 
25 template <class T, class S> // expected-note {{declared here}}
tmain(T argc,S ** argv)26 int tmain(T argc, S **argv) {
27   T z;
28   #pragma omp parallel master if // expected-error {{expected '(' after 'if'}}
29   {
30     foo();
31   }
32   #pragma omp parallel master if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
33   {
34     foo();
35   }
36   #pragma omp parallel master if () // expected-error {{expected expression}}
37   {
38     foo();
39   }
40   #pragma omp parallel master if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
41   {
42     foo();
43   }
44   #pragma omp parallel master if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel master' are ignored}}
45   {
46     foo();
47   }
48   #pragma omp parallel master if (argc > 0 ? argv[1] : argv[2])
49   {
50     foo();
51   }
52   #pragma omp parallel master if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel master' cannot contain more than one 'if' clause}}
53   {
54     foo();
55   }
56   #pragma omp parallel master if (S) // expected-error {{'S' does not refer to a value}}
57   {
58     foo();
59   }
60   #pragma omp parallel master if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
61   {
62     foo();
63   }
64   #pragma omp parallel master if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
65   {
66     foo();
67   }
68   #pragma omp parallel master if(argc + z)
69   {
70     foo();
71   }
72   #pragma omp parallel master if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
73   {
74     foo();
75   }
76   #pragma omp parallel master if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
77   {
78     foo();
79   }
80   #pragma omp parallel master if(parallel : argc)
81   {
82     foo();
83   }
84   #pragma omp parallel master if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel master'}}
85   {
86     foo();
87   }
88   #pragma omp parallel master if(parallel : argc) if (parallel:argc) // expected-error {{directive '#pragma omp parallel master' cannot contain more than one 'if' clause with 'parallel' name modifier}}
89   {
90     foo();
91   }
92   #pragma omp parallel master if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
93   {
94     foo();
95   }
96 
97   return 0;
98 }
99 
main(int argc,char ** argv)100 int main(int argc, char **argv) {
101   int z;
102   #pragma omp parallel master if // expected-error {{expected '(' after 'if'}}
103   {
104     foo();
105   }
106   #pragma omp parallel master if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
107   {
108     foo();
109   }
110   #pragma omp parallel master if () // expected-error {{expected expression}}
111   {
112     foo();
113   }
114   #pragma omp parallel master if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
115   {
116     foo();
117   }
118   #pragma omp parallel master if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel master' are ignored}}
119   {
120     foo();
121   }
122   #pragma omp parallel master if (argc > 0 ? argv[1] : argv[2] + z)
123   {
124     foo();
125   }
126   #pragma omp parallel master if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel master' cannot contain more than one 'if' clause}}
127   {
128     foo();
129   }
130   #pragma omp parallel master if (S1) // expected-error {{'S1' does not refer to a value}}
131   {
132     foo();
133   }
134   #pragma omp parallel master if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
135   {
136     foo();
137   }
138   #pragma omp parallel master if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
139   {
140     foo();
141   }
142   #pragma omp parallel master if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
143   {
144     foo();
145   }
146   #pragma omp parallel master if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
147   {
148     foo();
149   }
150   #pragma omp parallel master if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
151   {
152     foo();
153   }
154   #pragma omp parallel master if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
155   {
156     foo();
157   }
158   #pragma omp parallel master if(parallel : argc)
159   {
160     foo();
161   }
162   #pragma omp parallel master if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel master'}}
163   {
164     foo();
165   }
166   #pragma omp parallel master if(parallel : argc) if (parallel:argc) // expected-error {{directive '#pragma omp parallel master' cannot contain more than one 'if' clause with 'parallel' name modifier}}
167   {
168     foo();
169   }
170   #pragma omp parallel master if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
171   {
172     foo();
173   }
174 
175   return tmain(argc, argv);
176 }
177