gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-52.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-fre1" } */
   3
   4 void bar ();
   5 void foo (int n)
   6 {
   7   if (n > 0)
   8     {
   9       int j = 0;
  10       do
  11         {
  12           if (n > 0)
  13             {
  14               int i = 0;
  15               do
  16                 {
  17                   bar ();
  18                 }
  19               while (i < n);
  20             }
  21         }
  22       while (j < n);
  23     }
  24 }
  25
  26 /* { dg-final { scan-tree-dump-times "if" 1 "fre1" } } */