gcc/libgomp/testsuite/libgomp.oacc-c-c++-common/collapse-1.c

32 lines
587 B
C

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