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/* { dg-do run } */
/* { dg-require-effective-target offload_device_nonshared_as } */
/* Test transfer of dynamically-allocated arrays to target using map
iterators, with multiple iterators and function calls in the iterator
expression. */
#include <stdlib.h>
#define DIM1 16
#define DIM2 15
int mkarrays (int *x[], int *y[])
{
int expected = 0;
for (int i = 0; i < DIM1; i++)
{
x[i] = (int *) malloc (DIM2 * sizeof (int));
y[i] = (int *) malloc (sizeof (int));
*y[i] = rand ();
for (int j = 0; j < DIM2; j++)
{
x[i][j] = rand ();
expected += x[i][j] * *y[i];
}
}
return expected;
}
int f (int i, int j)
{
return i * 4 + j;
}
int main (void)
{
int *x[DIM1], *y[DIM1];
int sum;
int expected = mkarrays (x, y);
#pragma omp target enter data map(to: x, y)
#pragma omp target map(iterator(i=0:DIM1/4, j=0:4), to: x[f(i, j)][:DIM2]) \
map(iterator(i=0:DIM1), to: y[i][:1]) \
map(from: sum)
{
sum = 0;
for (int i = 0; i < DIM1; i++)
for (int j = 0; j < DIM2; j++)
sum += x[i][j] * y[i][0];
}
return sum - expected;
}
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