1 // RUN: %libomptarget-compile-run-and-check-generic 2 3 #include <omp.h> 4 #include <stdio.h> 5 6 // Allocate pinned memory on the host 7 void *llvm_omp_target_alloc_host(size_t, int); 8 void llvm_omp_target_free_host(void *, int); 9 main()10int main() { 11 const int N = 64; 12 const int device = omp_get_default_device(); 13 const int host = omp_get_initial_device(); 14 15 int *hst_ptr = llvm_omp_target_alloc_host(N * sizeof(int), device); 16 17 for (int i = 0; i < N; ++i) 18 hst_ptr[i] = 2; 19 20 #pragma omp target teams distribute parallel for device(device) \ 21 map(tofrom : hst_ptr[0 : N]) 22 for (int i = 0; i < N; ++i) 23 hst_ptr[i] -= 1; 24 25 int sum = 0; 26 for (int i = 0; i < N; ++i) 27 sum += hst_ptr[i]; 28 29 llvm_omp_target_free_host(hst_ptr, device); 30 // CHECK: PASS 31 if (sum == N) 32 printf("PASS\n"); 33 } 34