38 lines · c
1// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
2// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
3
4void foo(void) {}
5
6int main(int argc, char **argv) {
7 int len = 8;
8 double data[len];
9
10 // Valid strided array sections
11 #pragma omp target update from(data[0:4:2]) // OK
12 {}
13
14 #pragma omp target update to(data[0:len/2:2]) // OK
15 {}
16
17 #pragma omp target update from(data[1:3:2]) // OK
18 {}
19
20 // Missing stride (default = 1)
21 #pragma omp target update from(data[0:4]) // OK
22 {}
23
24 // Invalid stride expressions
25 #pragma omp target update from(data[0:4:0]) // expected-error {{section stride is evaluated to a non-positive value 0}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
26
27 #pragma omp target update from(data[0:4:-1]) // expected-error {{section stride is evaluated to a non-positive value -1}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
28
29 // Missing colon
30 #pragma omp target update from(data[0:4 2]) // expected-error {{expected ']'}} expected-note {{to match this '['}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
31 {}
32
33 // Too many colons
34 #pragma omp target update from(data[0:4:2:1]) // expected-error {{expected ']'}} expected-note {{to match this '['}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
35 {}
36
37 return 0;
38}