1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-sink-details -fno-tree-pre" } */
3 
4 int x[1024], y[1024], z[1024], w[1024];
foo(void)5 void foo (void)
6 {
7   int i;
8   for (i = 1; i < 1024; ++i)
9     {
10       int a = x[i];
11       int b = y[i];
12       int c = x[i-1];
13       int d = y[i-1];
14       if (w[i])
15 	z[i] = (a + b) + (c + d);
16     }
17 }
18 
19 /* { dg-final { scan-tree-dump-times "Sinking # VUSE" 4 "sink" } } */
20