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/* { dg-do compile { target int32plus } } */
/* { dg-options "-O2 -ftree-loop-distribution -fdump-tree-ldist-all" } */
int loop1 (int k)
{
unsigned int i;
unsigned int j;
int a[100][100], b[100][100], c[100][100], d[100][100];
a[0][0] = k;
for (i = 1; i < 100; i ++)
for (j = 1; j < (100-1); j++)
{
a[i][j] = k * i; /* S1 */
b[i][j] = a[i][j-1] + k; /* S2 */
c[i][j] = b[i][j] + a[i][j+1]; /* S3 */
d[i][j] = c[i][j] + k + i; /* S4 */
}
/* Dependences:
S1->S2 (flow, level 2)
S1->S3 (anti, level 2)
S2->S3 (flow, level 0)
S3->S4 (flow, level 0)
*/
return a[100-1][100-1] + b[100-1][100-1] + c[100-1][100-1] + d[100-1][100-1];
}
/* FIXME: This is XFAILed because of a data dependence analysis
problem: the dependence test fails with a "don't know" relation. */
/* { dg-final { scan-tree-dump-times "distributed: split to 2 loops" 1 "ldist" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "ldist" } } */
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