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