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#include <omp.h>
#if __cplusplus
static_assert (omp_default_device < -1
&& omp_default_device != omp_invalid_device, "");
#else
_Static_assert (omp_default_device < -1
&& omp_default_device != omp_invalid_device, "");
#endif
static int
is_same_dev (int d1, int d2)
{
int num_dev = omp_get_num_devices ();
if (d1 == omp_initial_device)
d1 = num_dev;
if (d2 == omp_initial_device)
d2 = num_dev;
return (d1 == d2);
}
int
main()
{
int dev = -99;
int def_dev = omp_get_default_device ();
#pragma omp target map(from: dev) device(omp_default_device)
dev = omp_get_device_num ();
if (!is_same_dev (def_dev, dev))
__builtin_abort ();
for (def_dev = omp_initial_device; def_dev <= omp_get_num_devices ();
def_dev++)
{
const char* uid = omp_get_uid_from_device(def_dev);
omp_set_default_device (def_dev);
dev = -99;
#pragma omp target map(from: dev) device(omp_default_device)
dev = omp_get_device_num ();
if (!is_same_dev (def_dev, dev))
__builtin_abort ();
/* Shall not modify the ICV. */
omp_set_default_device (omp_default_device);
if (def_dev != omp_get_default_device ())
__builtin_abort ();
/* Assume the ptr and no only the string is the same. */
if (uid != omp_get_uid_from_device (omp_default_device))
__builtin_abort ();
}
omp_set_default_device (omp_invalid_device);
/* Shall not modify the ICV. */
omp_set_default_device (omp_default_device);
if (omp_invalid_device != omp_get_default_device ())
__builtin_abort ();
}
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