| 1 | // RUN: %libomptarget-compile-and-run-generic |
|---|---|
| 2 | |
| 3 | #include <assert.h> |
| 4 | #include <omp.h> |
| 5 | #include <stdlib.h> |
| 6 | |
| 7 | #define N 1024 |
| 8 | #define OFFSET 16 |
| 9 | |
| 10 | int main(int argc, char *argv[]) { |
| 11 | int *host_data = (int *)malloc(size: sizeof(int) * N); |
| 12 | void *device_ptr = omp_get_mapped_ptr(host_data, 0); |
| 13 | |
| 14 | assert(device_ptr == NULL && "the pointer should not be mapped right now"); |
| 15 | |
| 16 | #pragma omp target enter data map(to: host_data[:N]) |
| 17 | |
| 18 | device_ptr = omp_get_mapped_ptr(host_data, 0); |
| 19 | |
| 20 | assert(device_ptr && "the pointer should be mapped now"); |
| 21 | |
| 22 | void *ptr = NULL; |
| 23 | |
| 24 | #pragma omp target map(from: ptr) |
| 25 | { ptr = host_data; } |
| 26 | |
| 27 | assert(ptr == device_ptr && "wrong pointer mapping"); |
| 28 | |
| 29 | device_ptr = omp_get_mapped_ptr(host_data + OFFSET, 0); |
| 30 | |
| 31 | assert(device_ptr && "the pointer with offset should be mapped"); |
| 32 | |
| 33 | #pragma omp target map(from: ptr) |
| 34 | { ptr = host_data + OFFSET; } |
| 35 | |
| 36 | assert(ptr == device_ptr && "wrong pointer mapping"); |
| 37 | |
| 38 | return 0; |
| 39 | } |
| 40 |