1 /* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */
2 /* { dg-options "-O2 -m64 -fdump-tree-ivopts-details" } */
3
4 /* The test 'if (p2 > p_limit2)' can be replaced, so iv p2 can be
5 * eliminated. */
foo(long * p,long * p2,int N1,int N2)6 long foo(long* p, long* p2, int N1, int N2)
7 {
8 int i = 0;
9 long* p_limit = p + N1;
10 long* p_limit2 = p2 + N2;
11 long s = 0;
12 while (p <= p_limit)
13 {
14 p++;
15 p2++;
16 if (p2 > p_limit2)
17 break;
18 s += (*p);
19 }
20 return s;
21 }
22
23 /* { dg-final { scan-tree-dump-times "Replacing" 1 "ivopts"} } */
24