1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-ipa-icf" } */
3
4 #include <stdio.h>
5
6 __attribute__ ((noinline))
fce1(int a,int b)7 int fce1(int a, int b)
8 {
9 int swap;
10
11 if(a < b)
12 {
13 swap = a;
14 a = b;
15 b = swap;
16 }
17
18 return a / b;
19 }
20
21 __attribute__ ((noinline))
fce2(int x,int y)22 int fce2(int x, int y)
23 {
24 int tmp;
25
26 if(x < y)
27 {
28 tmp = x;
29 x = y;
30 y = tmp;
31 }
32
33 return x / y;
34 }
35
36
main(int argc,char ** argv)37 int main(int argc, char **argv)
38 {
39 printf("fce1: %d\n", fce1(argc, argc + 2));
40 printf("fce2: %d\n", fce2(argc, 2 * argc));
41 }
42
43 /* { dg-final { scan-ipa-dump "Semantic equality hit:fce1->fce2" "icf" } } */
44 /* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf" } } */
45