gcc/libgomp/testsuite/libgomp.c/collapse-3.c

32 lines
649 B
C

/* { dg-do run } */
/* { dg-options "-O2 -std=gnu99" } */
#include <string.h>
#include <stdlib.h>
int
main (void)
{
int i2, l = 0;
int a[3][3][3];
memset (a, '\0', sizeof (a));
#pragma omp parallel for collapse(4 - 1) schedule(static, 4)
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
a[i][j][k] = i + j * 4 + k * 16;
#pragma omp parallel
{
#pragma omp for collapse(2) reduction(|:l)
for (i2 = 0; i2 < 2; i2++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
if (a[i2][j][k] != i2 + j * 4 + k * 16)
l = 1;
}
if (l)
abort ();
return 0;
}