1 /* Verify straight-line strength reduction for a candidate with a basis
2 hidden by a phi dependences, having an unknown stride, and where the
3 phi has an argument which is a parameter. */
4
5 /* { dg-do compile } */
6 /* { dg-options "-O3 -fdump-tree-optimized" } */
7
8 int
f(int s,int c,int i)9 f (int s, int c, int i)
10 {
11 int a1, a3, x1, x3, x;
12
13 a1 = i * s;
14 x1 = c + a1;
15
16 if (x1 > 6)
17 i = i + 2;
18
19 i = i + 2;
20 a3 = i * s;
21 x3 = c + a3;
22
23 x = x1 + x3;
24 return x;
25 }
26
27 /* { dg-final { scan-tree-dump-times " \\* s" 1 "optimized" } } */
28 /* { dg-final { scan-tree-dump-times " \\* 2" 1 "optimized" } } */
29