gcc/testsuite/gcc.dg/pr19340.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fschedule-insns2 -fsched2-use-traces" } */
   3
   4 extern double f (double x);
   5
   6 double g (int a)
   7 {
   8   int b, c, d, e = 0;
   9   double h;
  10
  11   for (d = 0; d < a; d++)
  12     for (c = 0; c < a; c++)
  13       b = 1;
  14
  15   h = (double) e / (double) a;
  16
  17   if (h)
  18     {
  19       h = 1.0 / h;
  20       h = f (h);
  21     }
  22   else
  23     h = 1.0;
  24
  25   return h;
  26 }