| 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 | |