gcc/testsuite/gcc.dg/graphite/pr68715-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Ofast -floop-interchange" } */
   3
   4 int a, b, c, d, f, g;
   5 int e[1], h[1];
   6 void fn2 ();
   7 void fn3 ();
   8 void
   9 fn1 ()
  10 {
  11   fn2 ();
  12   b = 0;
  13   for (; b < 10; b++)
  14     ;
  15 }
  16
  17 void
  18 fn2 ()
  19 {
  20   if (a)
  21     {
  22       fn3 ();
  23       c = d;
  24     }
  25 }
  26
  27 void
  28 fn3 ()
  29 {
  30   for (; g; g++)
  31     e[g] = 2;
  32   if (f)
  33     for (; g; g++)
  34       h[g] = 5;
  35 }