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/* { dg-do run } */
#include <stdlib.h>
#include <assert.h>
#define N 1024
#define M 64
int main (void)
{
int *a[N];
for (int i = 0; i < N; i++)
a[i] = (int *) calloc (M, sizeof (int));
/* 'target enter data'/'target exit data' with array of pointers. */
#pragma omp target enter data map(alloc: a[0:N])
for (int i = 0; i < N; i++)
{
#pragma omp target enter data map(to: a[i][0:M])
}
#pragma omp target map(alloc: a)
{
for (int i = 0; i < N; i++)
for (int j = 0; j < M; j++)
a[i][j] = i + j;
}
for (int i = 0; i < N; i++)
{
#pragma omp target exit data map(release: a[i]) map(from: a[i][0:M])
}
#pragma omp target exit data map(release: a, a[0:N])
/* 'target data' with array of pointers. */
#pragma omp target data map(alloc: a[0:N])
{
#pragma omp target data map(tofrom: a[5][0:M])
{
#pragma omp target map(alloc: a)
{
for (int i = 0; i < M; i++)
a[5][i]++;
}
}
}
/* 'target' with array of pointers. */
#pragma omp target data map(alloc: a[0:N])
{
#pragma omp target map(tofrom: a[7][0:M])
{
for (int i = 0; i < M; i++)
a[7][i] += 2;
}
}
for (int i = 0; i < N; i++)
for (int j = 0; j < M; j++)
assert (a[i][j] == i + j + (i == 5) + 2 * (i == 7));
for (int i = 0; i < N; i++)
free (a[i]);
return 0;
}
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