| // RUN: %libomptarget-compile-and-run-generic |
| |
| #include <assert.h> |
| #include <omp.h> |
| #include <stdlib.h> |
| |
| #define N 1024 |
| #define OFFSET 16 |
| |
| int main(int argc, char *argv[]) { |
| int *host_data = (int *)malloc(sizeof(int) * N); |
| void *device_ptr = omp_get_mapped_ptr(host_data, 0); |
| |
| assert(device_ptr == NULL && "the pointer should not be mapped right now"); |
| |
| #pragma omp target enter data map(to: host_data[:N]) |
| |
| device_ptr = omp_get_mapped_ptr(host_data, 0); |
| |
| assert(device_ptr && "the pointer should be mapped now"); |
| |
| void *ptr = NULL; |
| |
| #pragma omp target map(from: ptr) |
| { ptr = host_data; } |
| |
| assert(ptr == device_ptr && "wrong pointer mapping"); |
| |
| device_ptr = omp_get_mapped_ptr(host_data + OFFSET, 0); |
| |
| assert(device_ptr && "the pointer with offset should be mapped"); |
| |
| #pragma omp target map(from: ptr) |
| { ptr = host_data + OFFSET; } |
| |
| assert(ptr == device_ptr && "wrong pointer mapping"); |
| |
| return 0; |
| } |