gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-23.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-fre1" } */
   3
   4 int f(int t, int a, int b)
   5 {
   6   int c, d;
   7   if (t)
   8     {
   9       c = a;
  10       d = a;
  11     }
  12   else
  13     {
  14       c = b;
  15       d = b;
  16     }
  17   return c+d;
  18 }
  19
  20 /* { dg-final { scan-tree-dump-times "PHI" 1 "fre1" } } */