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