| // Run lines are in the target specific versions. |
| |
| #include <omp.h> |
| #include <stdio.h> |
| |
| #define N 512 |
| |
| int main() { |
| int Result[N], NumThreads; |
| |
| #pragma omp target teams num_teams(1) thread_limit(N) \ |
| ompx_dyn_cgroup_mem(N * sizeof(Result[0])) \ |
| map(from : Result, NumThreads) |
| { |
| int Buffer[N]; |
| #pragma omp parallel |
| { |
| int *DynBuffer = (int *)llvm_omp_target_dynamic_shared_alloc(); |
| int TId = omp_get_thread_num(); |
| if (TId == 0) |
| NumThreads = omp_get_num_threads(); |
| Buffer[TId] = 7; |
| DynBuffer[TId] = 3; |
| #pragma omp barrier |
| int WrappedTId = (TId + 37) % NumThreads; |
| Result[TId] = Buffer[WrappedTId] + DynBuffer[WrappedTId]; |
| } |
| } |
| |
| if (llvm_omp_target_dynamic_shared_alloc()) |
| return -1; |
| |
| if (NumThreads < N / 2 || NumThreads > N) { |
| printf("Expected number of threads to be in [%i:%i], but got: %i", N / 2, N, |
| NumThreads); |
| return -1; |
| } |
| |
| int Failed = 0; |
| for (int i = 0; i < NumThreads; ++i) { |
| if (Result[i] != 7 + 3) { |
| printf("Result[%i] is %i, expected %i\n", i, Result[i], 7 + 3); |
| ++Failed; |
| } |
| } |
| |
| if (!Failed) |
| printf("PASS\n"); |
| } |