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

   1 /* Copyright (C) 2003  Free Software Foundation.
   2
   3    Test that switch statements suitable using case bit tests are
   4    implemented correctly.
   5
   6    Written by Roger Sayle, 01/25/2001.  */
   7
   8 extern void abort (void);
   9
  10 int
  11 foo (int x)
  12 {
  13   switch (x)
  14     {
  15     case 4:
  16     case 6:
  17     case 9:
  18     case 11:
  19       return 30;
  20     }
  21   return 31;
  22 }
  23
  24 int
  25 main (int argc)
  26 {
  27   int i, r;
  28
  29   for (i=-1; i<66; i++)
  30     {
  31       r = foo (i);
  32       if (i == 4)
  33         {
  34           if (r != 30)
  35             abort ();
  36         }
  37       else if (i == 6)
  38         {
  39           if (r != 30)
  40             abort ();
  41         }
  42       else if (i == 9)
  43         {
  44           if (r != 30)
  45             abort ();
  46         }
  47       else if (i == 11)
  48         {
  49           if (r != 30)
  50             abort ();
  51         }
  52       else if (r != 31)
  53         abort ();
  54     }
  55   return 0;
  56 }
  57