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 target update to(argc) 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}}
tmain(T argc,S ** argv)25 int tmain(T argc, S **argv) {
26   int n;
27 #pragma omp target update to(n) if // expected-error {{expected '(' after 'if'}}
28 #pragma omp target update from(n) if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
29 #pragma omp target update to(n) if () // expected-error {{expected expression}}
30 #pragma omp target update from(n) if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
31 #pragma omp target update to(n) if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}}
32 #pragma omp target update from(n) if (argc > 0 ? argv[1] : argv[2])
33 #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}}
34 #pragma omp target update from(n) if (S) // expected-error {{'S' does not refer to a value}}
35 #pragma omp target update to(n) if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
36 #pragma omp target update from(n) if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
37 #pragma omp target update to(n) if(argc + n)
38 #pragma omp target update from(n) if(target update // expected-error {{use of undeclared identifier 'target'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
39 #pragma omp target update to(n) if(target update : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
40 #pragma omp target update from(n) if(target update : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
41 #pragma omp target update to(n) if(target update : argc + n)
42 #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'}}
43 #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}}
44 #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}}
45   return 0;
46 }
47 
main(int argc,char ** argv)48 int main(int argc, char **argv) {
49   int m;
50 #pragma omp target update to(m) if // expected-error {{expected '(' after 'if'}}
51 #pragma omp target update from(m) if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
52 #pragma omp target update to(m) if () // expected-error {{expected expression}}
53 #pragma omp target update from(m) if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
54 #pragma omp target update to(m) if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}}
55 #pragma omp target update from(m) if (argc > 0 ? argv[1] : argv[2])
56 #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}}
57 #pragma omp target update from(m) if (S1) // expected-error {{'S1' does not refer to a value}}
58 #pragma omp target update to(m) if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
59 #pragma omp target update from(m) if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
60 #pragma omp target update to(m) if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
61 #pragma omp target update from(m) if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
62 #pragma omp target update to(m) if(target update // expected-error {{use of undeclared identifier 'target'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
63 #pragma omp target update from(m) if(target update : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
64 #pragma omp target update to(m) if(target update : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
65 #pragma omp target update from(m) if(target update : argc + m)
66 #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'}}
67 #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}}
68 #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}}
69   return tmain(argc, argv);
70 }
71