offload/test/mapping/is_device_ptr.cpp

   1 // RUN: %libomptarget-compilexx-run-and-check-generic
   2
   3 #include <assert.h>
   4 #include <iostream>
   5 #include <omp.h>
   6
   7 struct view {
   8   const int size = 10;
   9   int *data_host;
  10   int *data_device;
  11   void foo() {
  12     std::size_t bytes = size * sizeof(int);
  13     const int host_id = omp_get_initial_device();
  14     const int device_id = omp_get_default_device();
  15     data_host = (int *)malloc(bytes);
  16     data_device = (int *)omp_target_alloc(bytes, device_id);
  17 #pragma omp target teams distribute parallel for is_device_ptr(data_device)
  18     for (int i = 0; i < size; ++i)
  19       data_device[i] = i;
  20     omp_target_memcpy(data_host, data_device, bytes, 0, 0, host_id, device_id);
  21     for (int i = 0; i < size; ++i)
  22       assert(data_host[i] == i);
  23   }
  24 };
  25
  26 int main() {
  27   view a;
  28   a.foo();
  29   // CHECK: PASSED
  30   printf("PASSED\n");
  31 }