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 target update to(argc) 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   int n;
24 #pragma omp target update to(n) if // expected-error {{expected '(' after 'if'}}
25 #pragma omp target update from(n) if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
26 #pragma omp target update to(n) if () // expected-error {{expected expression}}
27 #pragma omp target update from(n) if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
28 #pragma omp target update to(n) if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}}
29 #pragma omp target update from(n) if (argc > 0 ? argv[1] : argv[2])
30 #pragma omp target update to(n) if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target update' cannot contain more than one 'if' clause}}
31 #pragma omp target update from(n) if (S) // expected-error {{'S' does not refer to a value}}
32 #pragma omp target update to(n) if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
33 #pragma omp target update from(n) if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
34 #pragma omp target update to(n) if(argc + n)
35 #pragma omp target update from(n) if(target update // expected-error {{use of undeclared identifier 'target'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
36 #pragma omp target update to(n) if(target update : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
37 #pragma omp target update from(n) if(target update : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
38 #pragma omp target update to(n) if(target update : argc + n)
39 #pragma omp target update from(n) if(target update : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target update'}}
40 #pragma omp target update to(n) if(target update : argc) if (target update:argc) // expected-error {{directive '#pragma omp target update' cannot contain more than one 'if' clause with 'target update' name modifier}}
41 #pragma omp target update from(n) if(target update : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
42   return 0;
43 }
44 
45 int main(int argc, char **argv) {
46   int m;
47 #pragma omp target update to(m) if // expected-error {{expected '(' after 'if'}}
48 #pragma omp target update from(m) if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
49 #pragma omp target update to(m) if () // expected-error {{expected expression}}
50 #pragma omp target update from(m) if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
51 #pragma omp target update to(m) if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}}
52 #pragma omp target update from(m) if (argc > 0 ? argv[1] : argv[2])
53 #pragma omp target update to(m) if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target update' cannot contain more than one 'if' clause}}
54 #pragma omp target update from(m) if (S1) // expected-error {{'S1' does not refer to a value}}
55 #pragma omp target update to(m) if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
56 #pragma omp target update from(m) if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
57 #pragma omp target update to(m) if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
58 #pragma omp target update from(m) if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
59 #pragma omp target update to(m) if(target update // expected-error {{use of undeclared identifier 'target'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
60 #pragma omp target update from(m) if(target update : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
61 #pragma omp target update to(m) if(target update : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
62 #pragma omp target update from(m) if(target update : argc + m)
63 #pragma omp target update to(m) if(target update : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target update'}}
64 #pragma omp target update from(m) if(target update : argc) if (target update:argc)  // expected-error {{directive '#pragma omp target update' cannot contain more than one 'if' clause with 'target update' name modifier}}
65 #pragma omp target update to(m) if(target update : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}}
66   return tmain(argc, argv);
67 }
68