1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
3
4 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
6
xxx(int argc)7 void xxx(int argc) {
8 int x; // expected-note {{initialize the variable 'x' to silence this warning}}
9 #pragma omp target parallel for
10 for (int i = 0; i < 10; ++i)
11 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
12 }
13
foo()14 void foo() {
15 }
16
17 static int pvt;
18 #pragma omp threadprivate(pvt)
19
20 #pragma omp target parallel for // expected-error {{unexpected OpenMP directive '#pragma omp target parallel for'}}
21
main(int argc,char ** argv)22 int main(int argc, char **argv) {
23 #pragma omp target parallel for { // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
24 for (int i = 0; i < argc; ++i)
25 foo();
26 #pragma omp target parallel for ( // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
27 for (int i = 0; i < argc; ++i)
28 foo();
29 #pragma omp target parallel for[ // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
30 for (int i = 0; i < argc; ++i)
31 foo();
32 #pragma omp target parallel for] // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
33 for (int i = 0; i < argc; ++i)
34 foo();
35 #pragma omp target parallel for) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
36 for (int i = 0; i < argc; ++i)
37 foo();
38 #pragma omp target parallel for } // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
39 for (int i = 0; i < argc; ++i)
40 foo();
41 #pragma omp target parallel for
42 for (int i = 0; i < argc; ++i)
43 foo();
44 // expected-warning@+1 {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
45 #pragma omp target parallel for unknown()
46 for (int i = 0; i < argc; ++i)
47 foo();
48 L1:
49 for (int i = 0; i < argc; ++i)
50 foo();
51 #pragma omp target parallel for
52 for (int i = 0; i < argc; ++i)
53 foo();
54 #pragma omp target parallel for
55 for (int i = 0; i < argc; ++i) {
56 goto L1; // expected-error {{use of undeclared label 'L1'}}
57 argc++;
58 }
59
60 for (int i = 0; i < 10; ++i) {
61 switch (argc) {
62 case (0):
63 #pragma omp target parallel for
64 for (int i = 0; i < argc; ++i) {
65 foo();
66 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
67 continue;
68 }
69 default:
70 break;
71 }
72 }
73 #pragma omp target parallel for default(none) // expected-note {{explicit data sharing attribute requested here}}
74 for (int i = 0; i < 10; ++i)
75 ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
76
77 goto L2; // expected-error {{use of undeclared label 'L2'}}
78 #pragma omp target parallel for
79 for (int i = 0; i < argc; ++i)
80 L2:
81 foo();
82 #pragma omp target parallel for
83 for (int i = 0; i < argc; ++i) {
84 return 1; // expected-error {{cannot return from OpenMP region}}
85 }
86
87 [[]] // expected-error {{an attribute list cannot appear here}}
88 #pragma omp target parallel for
89 for (int n = 0; n < 100; ++n) {
90 }
91
92 #pragma omp target parallel for copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target parallel for'}}
93 for (int n = 0; n < 100; ++n) {}
94
95 return 0;
96 }
97
test_ordered()98 void test_ordered() {
99 #pragma omp target parallel for ordered ordered // expected-error {{directive '#pragma omp target parallel for' cannot contain more than one 'ordered' clause}}
100 for (int i = 0; i < 16; ++i)
101 ;
102 #pragma omp target parallel for order // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for'}} expected-error {{expected '(' after 'order'}}
103 for (int i = 0; i < 10; ++i)
104 ;
105 #pragma omp target parallel for order( // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}
106 for (int i = 0; i < 10; ++i)
107 ;
108 #pragma omp target parallel for order(none // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}
109 for (int i = 0; i < 10; ++i)
110 ;
111 #pragma omp target parallel for order(concurrent // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
112 for (int i = 0; i < 10; ++i)
113 ;
114 #pragma omp target parallel for order(concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for'}}
115 for (int i = 0; i < 10; ++i)
116 ;
117 }
118
119