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