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/* { dg-do compile } */
/* { dg-options "-fopenmp" } */
void
foo (void)
{
int i, j;
#pragma omp for ordered (1)
for (i = 0; i < 64; i++)
{
#pragma omp ordered depend (sink: i + 1) /* { dg-warning "'depend' clause with 'sink' modifier waiting for lexically later iteration" } */
#pragma omp ordered depend (source)
}
#pragma omp for ordered (1)
for (i = 63; i >= 0; i--)
{
#pragma omp ordered depend (sink: i - 1) /* { dg-warning "'depend' clause with 'sink' modifier waiting for lexically later iteration" } */
#pragma omp ordered depend (source)
}
#pragma omp for ordered (2) collapse (2)
for (i = 0; i < 64; i++)
for (j = 0; j < 64; j++)
{
#pragma omp ordered depend (sink: i + 1, j - 2) /* { dg-warning "'depend' clause with 'sink' modifier waiting for lexically later iteration" } */
#pragma omp ordered depend (source)
}
#pragma omp for ordered (2) collapse (2)
for (i = 63; i >= 0; --i)
for (j = 0; j < 64; j++)
{
#pragma omp ordered depend (sink: i - 2, j - 2) /* { dg-warning "'depend' clause with 'sink' modifier waiting for lexically later iteration" } */
#pragma omp ordered depend (source)
}
#pragma omp for ordered (2) collapse (2)
for (i = 0; i < 64; i++)
for (j = 0; j < 64; j++)
{
#pragma omp ordered depend (sink: i - 1, j + 2)
#pragma omp ordered depend (source)
}
#pragma omp for ordered (2) collapse (2)
for (i = 63; i >= 0; --i)
for (j = 0; j < 64; j++)
{
#pragma omp ordered depend (sink: i + 2, j + 2)
#pragma omp ordered depend (source)
}
#pragma omp for ordered (1)
for (i = 0; i < 64; i += 2)
{
#pragma omp ordered depend (sink: i - 1) /* { dg-warning "'depend' clause with 'sink' modifier refers to iteration never in the iteration space" } */
#pragma omp ordered depend (source)
}
}
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