1 /* { dg-do compile } */
2 /* { dg-options "-O1 -fdump-tree-optimized" } */
3 
f(int a,int b)4 int f(int a, int b)
5 {
6   if (a == 0)
7    return 0;
8   if (a != b)
9    return a;
10  return a;
11 }
12 
13 /* There should be no ifs as the PHI arguments, we did not
14    optimize this before because PHI-OPT did not look at
15    PHIs which have more than two arguments.  */
16 /* { dg-final { scan-tree-dump-times "if" 0 "optimized"} } */
17