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