1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-dce3" } */
3 
4 /* We should notice constantness of this function. */
t(int a)5 static int __attribute__((noinline)) t(int a)
6 {
7 	return a+1;
8 }
q(void)9 void q(void)
10 {
11   int i = t(1);
12   if (!i)
13     i = t(1);
14 }
15 /* There should be no IF conditionals.  */
16 /* { dg-final { scan-tree-dump-times "if " 0 "dce3"} } */
17