32 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 = 11;
8 double data[len];
9
10 // Valid partial strided updates
11 #pragma omp target update from(data[0:4:3]) // OK
12 {}
13
14 // Stride larger than length
15 #pragma omp target update from(data[0:2:10]) // OK
16 {}
17
18 // Valid: complex expressions
19 int offset = 1;
20 int count = 3;
21 int stride = 2;
22 #pragma omp target update from(data[offset:count:stride]) // OK
23 {}
24
25 // Invalid stride expressions
26 #pragma omp target update from(data[0:4:offset-1]) // OK if offset > 1
27 {}
28
29 #pragma omp target update from(data[0:count: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'}}
30
31 return 0;
32}