| 1 | // RUN: %libomp-compile-and-run |
| 2 | |
| 3 | /* |
| 4 | Bugzilla: https://bugs.llvm.org/show_bug.cgi?id=36720 |
| 5 | |
| 6 | Assertion failure at kmp_runtime.cpp(1715): nthreads > 0. |
| 7 | OMP: Error #13: Assertion failure at kmp_runtime.cpp(1715). |
| 8 | |
| 9 | The assertion fails even with OMP_NUM_THREADS=1. If the second task is removed, |
| 10 | everything runs to completion. If the "omp parallel for" directives are removed |
| 11 | from inside the tasks, once again everything runs fine. |
| 12 | */ |
| 13 | |
| 14 | #define N 1024 |
| 15 | |
| 16 | int main() { |
| 17 | #pragma omp task |
| 18 | { |
| 19 | int i; |
| 20 | #pragma omp parallel for |
| 21 | for (i = 0; i < N; i++) |
| 22 | (void)0; |
| 23 | } |
| 24 | |
| 25 | #pragma omp task |
| 26 | { |
| 27 | int i; |
| 28 | #pragma omp parallel for |
| 29 | for (i = 0; i < N; ++i) |
| 30 | (void)0; |
| 31 | } |
| 32 | |
| 33 | #pragma omp taskwait |
| 34 | |
| 35 | return 0; |
| 36 | } |
| 37 | |