gcc/testsuite/gcc.c-torture/execute/20050124-1.c

   1 /* PR rtl-optimization/19579 */
   2
   3 extern void abort (void);
   4
   5 int
   6 foo (int i, int j)
   7 {
   8   int k = i + 1;
   9
  10   if (j)
  11     {
  12       if (k > 0)
  13         k++;
  14       else if (k < 0)
  15         k--;
  16     }
  17
  18   return k;
  19 }
  20
  21 int
  22 main (void)
  23 {
  24   if (foo (-2, 0) != -1)
  25     abort ();
  26   if (foo (-1, 0) != 0)
  27     abort ();
  28   if (foo (0, 0) != 1)
  29     abort ();
  30   if (foo (1, 0) != 2)
  31     abort ();
  32   if (foo (-2, 1) != -2)
  33     abort ();
  34   if (foo (-1, 1) != 0)
  35     abort ();
  36   if (foo (0, 1) != 2)
  37     abort ();
  38   if (foo (1, 1) != 3)
  39     abort ();
  40   return 0;
  41 }