2018-04-09 Richard Biener <rguenther@suse.de>
[official-gcc.git] / gcc / testsuite / gcc.dg / pr59643.c
blobde78d604bb200d27844963106043990bb9b65e9b
1 /* PR tree-optimization/59643 */
2 /* { dg-do compile } */
3 /* { dg-options "-O3 -fdump-tree-pcom-details" } */
5 void
6 foo (double *a, double *b, double *c, double d, double e, int n)
8 int i;
9 for (i = 1; i < n - 1; i++)
10 a[i] = d * (b[i] + c[i] + a[i - 1] + a[i + 1]) + e * a[i];
13 /* { dg-final { scan-tree-dump-times "Before commoning:" 1 "pcom" } } */
14 /* { dg-final { scan-tree-dump-times "Unrolling 2 times" 1 "pcom" } } */