1 /* Straight-line strength reduction control flow variation. */
2
3 /* { dg-do compile } */
4 /* { dg-options "-O3 -fdump-tree-optimized" } */
5
6 int
f(int n,int c,int s)7 f (int n, int c, int s)
8 {
9 int a1, a2, x, x1, x2, x3, x4;
10
11 a1 = 2 * s;
12
13 if (n > 64)
14 {
15 x1 = c + a1;
16 a2 = 4 * s;
17 x2 = c + a2;
18 x = x1 + x2;
19 }
20 else
21 {
22 x3 = c + a1;
23 a2 = 4 * s;
24 x4 = c + a2;
25 x = x4 / x3;
26 }
27
28 return x;
29 }
30
31 /* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */
32