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/* Verify that 'acc_copyout' etc. is a no-op if there's still a structured
reference count. */
/* { dg-skip-if "" { *-*-* } { "*" } { "-DACC_MEM_SHARED=0" } } */
#include <assert.h>
#include <stdlib.h>
#include <openacc.h>
const int c0 = 58;
const int c1 = 81;
static void
assign_array (char *array, size_t size, char value)
{
for (size_t i = 0; i < size; ++i)
array[i] = value;
}
static void
verify_array (const char *array, size_t size, char value)
{
for (size_t i = 0; i < size; ++i)
assert (array[i] == value);
}
float global_var;
#pragma acc declare create (global_var)
static void
test_acc_declare ()
{
assert (acc_is_present (&global_var, sizeof global_var));
global_var = c0;
#pragma acc update device (global_var)
global_var = c1;
acc_copyout (&global_var, sizeof global_var);
assert (acc_is_present (&global_var, sizeof global_var));
assert (global_var == c1);
global_var = c1;
acc_copyout_finalize (&global_var, sizeof global_var);
assert (acc_is_present (&global_var, sizeof global_var));
assert (global_var == c1);
void *global_var_d_p = acc_deviceptr (&global_var);
assert (global_var_d_p);
void *d_p = acc_copyin (&global_var, sizeof global_var);
assert (d_p == global_var_d_p);
acc_copyout (&global_var, sizeof global_var);
assert (acc_is_present (&global_var, sizeof global_var));
d_p = acc_copyin (&global_var, sizeof global_var);
assert (d_p == global_var_d_p);
d_p = acc_copyin (&global_var, sizeof global_var);
assert (d_p == global_var_d_p);
global_var = c1;
acc_copyout_finalize (&global_var, sizeof global_var);
assert (acc_is_present (&global_var, sizeof global_var));
assert (global_var == c1);
global_var = c1;
acc_copyout (&global_var, sizeof global_var);
assert (acc_is_present (&global_var, sizeof global_var));
assert (global_var == c1);
}
static void
test_acc_map_data ()
{
const int N = 801;
char *h = (char *) malloc (N);
assert (h);
void *d = acc_malloc (N);
assert (d);
acc_map_data (h, d, N);
assert (acc_is_present (h, N));
assign_array (h, N, c0);
#pragma acc update device (h[0:N])
assign_array (h, N, c1);
#pragma acc exit data copyout (h[0:N])
assert (acc_is_present (h, N));
verify_array (h, N, c1);
assign_array (h, N, c1);
#pragma acc exit data copyout (h[0:N]) finalize
assert (acc_is_present (h, N));
verify_array (h, N, c1);
#pragma acc enter data copyin (h[0:N])
assign_array (h, N, c1);
#pragma acc exit data copyout (h[0:N])
assert (acc_is_present (h, N));
verify_array (h, N, c1);
#pragma acc enter data copyin (h[0:N])
#pragma acc enter data copyin (h[0:N])
assign_array (h, N, c1);
#pragma acc exit data copyout (h[0:N]) finalize
assert (acc_is_present (h, N));
verify_array (h, N, c1);
assign_array (h, N, c1);
#pragma acc exit data copyout (h[0:N])
assert (acc_is_present (h, N));
verify_array (h, N, c1);
}
static void
test_acc_data ()
{
#define N 23
char h[N];
assign_array (h, N, c0);
#pragma acc data copyin (h)
{
assert (acc_is_present (h, sizeof h));
assign_array (h, N, c1);
acc_copyout_finalize (h, sizeof h);
assert (acc_is_present (h, sizeof h));
verify_array (h, N, c1);
assign_array (h, N, c1);
acc_copyout (h, sizeof h);
assert (acc_is_present (h, sizeof h));
verify_array (h, N, c1);
acc_copyin (h, sizeof h);
assign_array (h, N, c1);
acc_copyout (h, sizeof h);
assert (acc_is_present (h, sizeof h));
verify_array (h, N, c1);
acc_copyin (h, sizeof h);
acc_copyin (h, sizeof h);
assign_array (h, N, c1);
acc_copyout_finalize (h, sizeof h);
assert (acc_is_present (h, sizeof h));
verify_array (h, N, c1);
assign_array (h, N, c1);
acc_copyout (h, sizeof h);
assert (acc_is_present (h, sizeof h));
verify_array (h, N, c1);
}
#undef N
}
int
main ()
{
test_acc_declare ();
test_acc_map_data ();
test_acc_data ();
return 0;
}
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