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 
8 void foo() {
9 }
10 
11 bool foobool(int argc) {
12   return argc;
13 }
14 
15 void xxx(int argc) {
16   int cond; // expected-note {{initialize the variable 'cond' to silence this warning}}
17 #pragma omp parallel
18   {
19 #pragma omp cancel parallel if (cond) // expected-warning {{variable 'cond' is uninitialized when used here}}
20     for (int i = 0; i < 10; ++i)
21       ;
22   }
23 }
24 
25 struct S1; // expected-note {{declared here}}
26 
27 template <class T, class S> // expected-note {{declared here}}
28 int tmain(T argc, S **argv) {
29   T z;
30   #pragma omp parallel
31   {
32     #pragma omp cancel parallel if // expected-error {{expected '(' after 'if'}}
33     #pragma omp cancel parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
34     #pragma omp cancel parallel if () // expected-error {{expected expression}}
35     #pragma omp cancel parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
36     #pragma omp cancel parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp cancel' are ignored}}
37     #pragma omp cancel parallel if (argc > 0 ? argv[1] : argv[2] + z)
38     #pragma omp cancel parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp cancel' cannot contain more than one 'if' clause}}
39     #pragma omp cancel parallel if (S) // expected-error {{'S' does not refer to a value}}
40     #pragma omp cancel parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
41     #pragma omp cancel parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
42     #pragma omp cancel parallel if(argc)
43     #pragma omp cancel parallel if(cancel // expected-error {{use of undeclared identifier 'cancel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
44     #pragma omp cancel parallel if(cancel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
45     #pragma omp cancel parallel if(cancel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
46     #pragma omp cancel parallel if(cancel : argc)
47     #pragma omp cancel parallel if(cancel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp cancel'}}
48     #pragma omp cancel parallel if(cancel : argc) if (cancel:argc) // expected-error {{directive '#pragma omp cancel' cannot contain more than one 'if' clause with 'cancel' name modifier}}
49     #pragma omp cancel parallel if(cancel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
50     foo();
51   }
52 
53   return 0;
54 }
55 
56 int main(int argc, char **argv) {
57 int z;
58   #pragma omp parallel
59   {
60     #pragma omp cancel parallel if // expected-error {{expected '(' after 'if'}}
61     #pragma omp cancel parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
62     #pragma omp cancel parallel if () // expected-error {{expected expression}}
63     #pragma omp cancel parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
64     #pragma omp cancel parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp cancel' are ignored}}
65     #pragma omp cancel parallel if (argc > 0 ? argv[1] : argv[2] - z)
66     #pragma omp cancel parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp cancel' cannot contain more than one 'if' clause}}
67     #pragma omp cancel parallel if (S1) // expected-error {{'S1' does not refer to a value}}
68     #pragma omp cancel parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
69     #pragma omp cancel parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
70     #pragma omp cancel parallel if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
71     #pragma omp cancel parallel if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
72     #pragma omp cancel parallel if(cancel // expected-error {{use of undeclared identifier 'cancel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
73     #pragma omp cancel parallel if(cancel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
74     #pragma omp cancel parallel if(cancel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
75     #pragma omp cancel parallel if(cancel : argc)
76     #pragma omp cancel parallel if(cancel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp cancel'}}
77     #pragma omp cancel parallel if(cancel : argc) if (cancel:argc)  // expected-error {{directive '#pragma omp cancel' cannot contain more than one 'if' clause with 'cancel' name modifier}}
78     #pragma omp cancel parallel if(cancel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
79     foo();
80   }
81 
82   return tmain(argc, argv);
83 }
84