1 | // RUN: %libomp-compile && env KMP_ENABLE_TASK_THROTTLING=0 %libomp-run |
2 | |
3 | // This test is known to be fragile on NetBSD kernel at the moment, |
4 | // https://bugs.llvm.org/show_bug.cgi?id=42020. |
5 | // UNSUPPORTED: netbsd |
6 | |
7 | // Very flaky on openmp-clang-x86_64-linux-debian. |
8 | // https://bugs.llvm.org/show_bug.cgi?id=45397 |
9 | // UNSUPPORTED: linux |
10 | |
11 | #include<omp.h> |
12 | #include<stdlib.h> |
13 | #include<string.h> |
14 | |
15 | // The first hashtable static size is 997 |
16 | #define NUM_DEPS 4000 |
17 | |
18 | |
19 | int main() |
20 | { |
21 | int *deps = calloc(NUM_DEPS, size: sizeof(int)); |
22 | int i; |
23 | int failed = 0; |
24 | |
25 | #pragma omp parallel |
26 | #pragma omp master |
27 | { |
28 | for (i = 0; i < NUM_DEPS; i++) { |
29 | #pragma omp task firstprivate(i) depend(inout: deps[i]) |
30 | { |
31 | deps[i] = 1; |
32 | } |
33 | #pragma omp task firstprivate(i) depend(inout: deps[i]) |
34 | { |
35 | deps[i] = 2; |
36 | } |
37 | } |
38 | } |
39 | |
40 | for (i = 0; i < NUM_DEPS; i++) { |
41 | if (deps[i] != 2) |
42 | failed++; |
43 | } |
44 | |
45 | return failed; |
46 | } |
47 | |