1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
4 
foo()5 void foo() {
6 }
7 
foobool(int argc)8 bool foobool(int argc) {
9   return argc;
10 }
11 
xxx(int argc)12 void xxx(int argc) {
13   int cond; // expected-note {{initialize the variable 'cond' to silence this warning}}
14 #pragma omp target 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}}
tmain(T argc,S ** argv)22 int tmain(T argc, S **argv) {
23   T z;
24   #pragma omp target parallel if // expected-error {{expected '(' after 'if'}}
25   foo();
26   #pragma omp target parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
27   foo();
28   #pragma omp target parallel if () // expected-error {{expected expression}}
29   foo();
30   #pragma omp target parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
31   foo();
32   #pragma omp target parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
33   foo();
34   #pragma omp target parallel if (argc > 0 ? argv[1] : argv[2] + z)
35   foo();
36   #pragma omp target parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause}}
37   foo();
38   #pragma omp target parallel if (S) // expected-error {{'S' does not refer to a value}}
39   foo();
40   #pragma omp target parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
41   foo();
42   #pragma omp target parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
43   foo();
44   #pragma omp target parallel if(argc)
45   foo();
46   #pragma omp target parallel if(target : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
47   foo();
48   #pragma omp target parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
49   foo();
50   #pragma omp target parallel if(target : argc)
51   foo();
52   #pragma omp target parallel if(parallel : argc)
53   foo();
54   #pragma omp target parallel if(target : argc) if(parallel : argc)
55   foo();
56   #pragma omp target parallel if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target parallel'}}
57   foo();
58   #pragma omp target parallel if(target : argc) if (target :argc) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause with 'target' name modifier}}
59   foo();
60   #pragma omp target parallel if(parallel : argc) if (parallel :argc) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause with 'parallel' name modifier}}
61   foo();
62   #pragma omp target parallel if(target : argc) if (argc) // expected-error {{expected  'parallel' directive name modifier}} expected-note {{previous clause with directive name modifier specified here}}
63   foo();
64   #pragma omp target parallel if(target : argc) if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}} expected-note {{previous clause with directive name modifier specified here}}
65   foo();
66 
67   return 0;
68 }
69 
main(int argc,char ** argv)70 int main(int argc, char **argv) {
71   int z;
72   #pragma omp target parallel if // expected-error {{expected '(' after 'if'}}
73   foo();
74   #pragma omp target parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
75   foo();
76   #pragma omp target parallel if () // expected-error {{expected expression}}
77   foo();
78   #pragma omp target parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
79   foo();
80   #pragma omp target parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
81   foo();
82   #pragma omp target parallel if (argc > 0 ? argv[1] : argv[2])
83   foo();
84   #pragma omp target parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause}}
85   foo();
86   #pragma omp target parallel if (S1) // expected-error {{'S1' does not refer to a value}}
87   foo();
88   #pragma omp target parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
89   foo();
90   #pragma omp target parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
91   foo();
92   #pragma omp target parallel if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
93   foo();
94   #pragma omp target parallel if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
95   foo();
96   #pragma omp target parallel if(target : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
97   foo();
98   #pragma omp target parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
99   foo();
100   #pragma omp target parallel if(parallel : argc * z)
101   foo();
102   #pragma omp target parallel if(target : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target parallel'}}
103   foo();
104   #pragma omp target parallel if(target : argc) if (target :argc) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause with 'target' name modifier}}
105   foo();
106   #pragma omp target parallel if(parallel : argc) if (parallel :argc) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause with 'parallel' name modifier}}
107   foo();
108   #pragma omp target parallel if(target : argc) if (argc) // expected-error {{expected  'parallel' directive name modifier}} expected-note {{previous clause with directive name modifier specified here}}
109   foo();
110   #pragma omp target parallel if(target : argc) if(parallel : argc) if (argc) // expected-error {{no more 'if' clause is allowed}} expected-note {{previous clause with directive name modifier specified here}} expected-note {{previous clause with directive name modifier specified here}}
111   foo();
112 
113   return tmain(argc, argv);
114 }
115