| // RUN: %libomptarget-compile-run-and-check-nvptx64-nvidia-cuda |
| // REQUIRES: nvptx64-nvidia-cuda |
| |
| #include <omp.h> |
| #include <stdio.h> |
| |
| // Allocate pinned memory on the host |
| void *llvm_omp_target_alloc_host(size_t, int); |
| |
| int main() { |
| const int N = 64; |
| const int device = omp_get_default_device(); |
| const int host = omp_get_initial_device(); |
| |
| int *hst_ptr = llvm_omp_target_alloc_host(N * sizeof(int), device); |
| |
| for (int i = 0; i < N; ++i) |
| hst_ptr[i] = 2; |
| |
| #pragma omp target teams distribute parallel for device(device) \ |
| map(tofrom:hst_ptr[0 : N]) |
| for (int i = 0; i < N; ++i) |
| hst_ptr[i] -= 1; |
| |
| int sum = 0; |
| for (int i = 0; i < N; ++i) |
| sum += hst_ptr[i]; |
| |
| omp_target_free(hst_ptr, device); |
| // CHECK: PASS |
| if (sum == N) |
| printf ("PASS\n"); |
| } |