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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-ivopts" } */
void vnum_test8(int *data)
{
int i;
int stop = data[3];
int m = data[4];
int n = m;
for (i=1; i<stop; i++) {
int k = data[2];
data[k] = 2;
data[0] = m - n;
k = data[1];
m = m + k;
n = n + k;
}
}
/* Using the SCEV analysis, this loop should be transformed to:
| void vnum_result8(int *data)
|{
| int i;
| int stop = data[3];
| for (i=1; i<stop; i++) {
| int k = data[2];
| data[k] = 2;
| data[0] = 0;
| }
|}
*/
/* { dg-final { scan-tree-dump-times "= 0;" 1 "ivopts"} } */
/* { dg-final { scan-tree-dump-times "= 2;" 1 "ivopts"} } */
/* { dg-final { cleanup-tree-dump "ivopts" } } */
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