1 /* Verify straight-line strength reduction for multiply candidates
2    with variable stride and control flow.  */
3 
4 /* { dg-do compile } */
5 /* { dg-options "-O3 -fdump-tree-optimized" } */
6 
7 int
f(int n,int x,int stride)8 f (int n, int x, int stride)
9 {
10   int a, x1, x2, x3;
11 
12   a = x * stride;
13   x1 = x + 3;
14   a += x1 * stride;
15 
16   if (n > 64)
17     {
18       x2 = x1 + 3;
19       a += x2 * stride;
20       x3 = x2 + 3;
21       a += x3 * stride;
22     }
23 
24   return a;
25 }
26 
27 /* { dg-final { scan-tree-dump-times " \\* stride" 1 "optimized" } } */
28 /* { dg-final { scan-tree-dump-times " \\* 3" 1 "optimized" } } */
29