gcc/testsuite/gcc.dg/tree-ssa/20040721-1.c

   1 /* { dg-do link } */
   2 /* { dg-options "-O2" } */
   3
   4 /* Test to check whether global variables are being
   5    constant propagated. */
   6
   7 extern void link_error (void);
   8
   9 int G;
  10
  11 void
  12 foo (int i)
  13 {
  14    if (i > 0)
  15      G = 3;
  16    else
  17      G = 3;
  18
  19    if (G != 3)
  20      link_error ();
  21 }
  22
  23 int
  24 main ()
  25 {
  26    foo (0);
  27    return 0;
  28 }
  29