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 
5 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
6 // RUN: %clang_cc1 -verify -fopenmp-simd %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 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}}
tmain(T argc,S ** argv)25 int tmain(T argc, S **argv) {
26   T z;
27   #pragma omp target parallel if // expected-error {{expected '(' after 'if'}}
28   foo();
29   #pragma omp target parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
30   foo();
31   #pragma omp target parallel if () // expected-error {{expected expression}}
32   foo();
33   #pragma omp target parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
34   foo();
35   #pragma omp target parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
36   foo();
37   #pragma omp target parallel if (argc > 0 ? argv[1] : argv[2] + z)
38   foo();
39   #pragma omp target parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause}}
40   foo();
41   #pragma omp target parallel if (S) // expected-error {{'S' does not refer to a value}}
42   foo();
43   #pragma omp target parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
44   foo();
45   #pragma omp target parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
46   foo();
47   #pragma omp target parallel if(argc)
48   foo();
49   #pragma omp target parallel if(target : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
50   foo();
51   #pragma omp target parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
52   foo();
53   #pragma omp target parallel if(target : argc)
54   foo();
55   #pragma omp target parallel if(parallel : argc)
56   foo();
57   #pragma omp target parallel if(target : argc) if(parallel : argc)
58   foo();
59   #pragma omp target parallel if(parallel : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target parallel'}}
60   foo();
61   #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}}
62   foo();
63   #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}}
64   foo();
65   #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}}
66   foo();
67   #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}}
68   foo();
69 
70   return 0;
71 }
72 
main(int argc,char ** argv)73 int main(int argc, char **argv) {
74   int z;
75   #pragma omp target parallel if // expected-error {{expected '(' after 'if'}}
76   foo();
77   #pragma omp target parallel if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
78   foo();
79   #pragma omp target parallel if () // expected-error {{expected expression}}
80   foo();
81   #pragma omp target parallel if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
82   foo();
83   #pragma omp target parallel if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
84   foo();
85   #pragma omp target parallel if (argc > 0 ? argv[1] : argv[2])
86   foo();
87   #pragma omp target parallel if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp target parallel' cannot contain more than one 'if' clause}}
88   foo();
89   #pragma omp target parallel if (S1) // expected-error {{'S1' does not refer to a value}}
90   foo();
91   #pragma omp target parallel if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
92   foo();
93   #pragma omp target parallel if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
94   foo();
95   #pragma omp target parallel if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
96   foo();
97   #pragma omp target parallel if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
98   foo();
99   #pragma omp target parallel if(target : // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
100   foo();
101   #pragma omp target parallel if(parallel : argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
102   foo();
103   #pragma omp target parallel if(parallel : argc * z)
104   foo();
105   #pragma omp target parallel if(target : argc) if (for:argc) // expected-error {{directive name modifier 'for' is not allowed for '#pragma omp target parallel'}}
106   foo();
107   #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}}
108   foo();
109   #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}}
110   foo();
111   #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}}
112   foo();
113   #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}}
114   foo();
115 
116   return tmain(argc, argv);
117 }
118