1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-pre-stats" } */
3 double cos (double) __attribute__ ((const));
4 double sin (double) __attribute__ ((const));
f(double a)5 double f(double a)
6 {
7   double b;
8   double c,d;
9   double (*fp) (double) __attribute__ ((const));
10   /* Fully redundant call, but we need a phi node to merge the results.  */
11   if (a < 2.0)
12     {
13       fp = sin;
14       c = fp (a);
15     }
16   else
17     {
18       c = 1.0;
19       fp = cos;
20       c = fp (a);
21     }
22   d = fp (a);
23   return d + c;
24 }
25 
26 /* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */
27