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 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 simd // expected-error {{unexpected OpenMP directive '#pragma omp target teams distribute simd'}}
19 
main(int argc,char ** argv)20 int main(int argc, char **argv) {
21 #pragma omp target teams distribute simd { // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
22   for (int i = 0; i < argc; ++i)
23     foo();
24 #pragma omp target teams distribute simd ( // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
25   for (int i = 0; i < argc; ++i)
26     foo();
27 #pragma omp target teams distribute simd[ // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
28   for (int i = 0; i < argc; ++i)
29     foo();
30 #pragma omp target teams distribute simd] // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
31   for (int i = 0; i < argc; ++i)
32     foo();
33 #pragma omp target teams distribute simd) // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
34   for (int i = 0; i < argc; ++i)
35     foo();
36 #pragma omp target teams distribute simd } // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
37   for (int i = 0; i < argc; ++i)
38     foo();
39 #pragma omp target teams distribute simd
40   for (int i = 0; i < argc; ++i)
41     foo();
42 // expected-warning@+1 {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
43 #pragma omp target teams distribute simd unknown()
44   for (int i = 0; i < argc; ++i)
45     foo();
46 L1:
47   for (int i = 0; i < argc; ++i)
48     foo();
49 #pragma omp target teams distribute simd
50   for (int i = 0; i < argc; ++i)
51     foo();
52 #pragma omp target teams distribute simd
53   for (int i = 0; i < argc; ++i) {
54     goto L1; // expected-error {{use of undeclared label 'L1'}}
55     argc++;
56   }
57 
58   for (int i = 0; i < 10; ++i) {
59     switch (argc) {
60     case (0):
61 #pragma omp target teams distribute simd
62       for (int i = 0; i < argc; ++i) {
63         foo();
64         break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
65         continue;
66       }
67     default:
68       break;
69     }
70   }
71 // expected-error@+1 {{unexpected OpenMP clause 'default' in directive '#pragma omp target teams distribute simd'}}
72 #pragma omp target teams distribute simd default(none)
73   for (int i = 0; i < 10; ++i)
74     ++argc;
75 
76   goto L2; // expected-error {{use of undeclared label 'L2'}}
77 #pragma omp target teams distribute simd
78   for (int i = 0; i < argc; ++i)
79   L2:
80   foo();
81 #pragma omp target teams distribute 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 simd
88       for (int n = 0; n < 100; ++n) {
89   }
90 
91 #pragma omp target teams distribute simd copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target teams distribute 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 simd ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp target teams distribute simd'}}
99   for (int i = 0; i < 16; ++i)
100     ;
101 }
102 
103