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 void foo() {
6 }
7 
8 bool foobool(int argc) {
9   return argc;
10 }
11 
12 void xxx(int argc) {
13   int cond; // expected-note {{initialize the variable 'cond' to silence this warning}}
14 #pragma omp parallel if(cond) // expected-warning {{variable 'cond' is uninitialized when used here}}
15   for (int i = 0; i < 10; ++i)
16     ;
17 }
18 
19 struct S1; // expected-note {{declared here}}
20 
21 template <class T, class S> // expected-note {{declared here}}
22 int tmain(T argc, S **argv) {
23   T z;
24   #pragma omp parallel if // expected-error {{expected '(' after 'if'}}
25   #pragma omp parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
26   #pragma omp parallel if () // expected-error {{expected expression}}
27   #pragma omp parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
28   #pragma omp parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
29   #pragma omp parallel if (argc > 0 ? argv[1] : argv[2] + z)
30   #pragma omp parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel' cannot contain more than one 'if' clause}}
31   #pragma omp parallel if (S) // expected-error {{'S' does not refer to a value}}
32   #pragma omp parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
33   #pragma omp parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
34   #pragma omp parallel if(argc)
35   #pragma omp parallel if(parallel // expected-error {{use of undeclared identifier 'parallel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
36   #pragma omp parallel if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
37   #pragma omp parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
38   #pragma omp parallel if(parallel : argc)
39   #pragma omp parallel if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel'}}
40   #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}}
41   #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}}
42   foo();
43 
44   return 0;
45 }
46 
47 int main(int argc, char **argv) {
48 int z;
49   #pragma omp parallel if // expected-error {{expected '(' after 'if'}}
50   #pragma omp parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
51   #pragma omp parallel if () // expected-error {{expected expression}}
52   #pragma omp parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
53   #pragma omp parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
54   #pragma omp parallel if (argc > 0 ? argv[1] : argv[2])
55   #pragma omp parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp parallel' cannot contain more than one 'if' clause}}
56   #pragma omp parallel if (S1) // expected-error {{'S1' does not refer to a value}}
57   #pragma omp parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
58   #pragma omp parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
59   #pragma omp parallel if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
60   #pragma omp parallel if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
61   #pragma omp parallel if(parallel // expected-error {{use of undeclared identifier 'parallel'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
62   #pragma omp parallel if(parallel : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
63   #pragma omp parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
64   #pragma omp parallel if(parallel : argc>> z)
65   #pragma omp parallel if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp parallel'}}
66   #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}}
67   #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}}
68   foo();
69 
70   return tmain(argc, argv);
71 }
72