nsz Git - libfirm/blob - ir/be/test/bad.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 unsigned int
   5 f1 (int diff)
   6 {
   7         return ((unsigned int) (diff < 0 ? -diff : diff));
   8 }
   9
  10 unsigned int
  11 f2 (unsigned int diff)
  12 {
  13         return ((unsigned int) ((signed int) diff < 0 ? -diff : diff));
  14 }
  15
  16 unsigned long long
  17 f3 (long long diff)
  18 {
  19         return ((unsigned long long) (diff < 0 ? -diff : diff));
  20 }
  21
  22 unsigned long long
  23 f4 (unsigned long long diff)
  24 {
  25         return ((unsigned long long) ((signed long long) diff < 0 ? -diff : diff));
  26 }
  27
  28 int main ()
  29 {
  30         int i;
  31         for (i = 0; i <= 10; i++)
  32         {
  33 #if 0
  34                 if (f1 (i) != i) {
  35                         printf("f1(%d)\n", i);
  36                         abort ();
  37                 }
  38                 if (f1 (-i) != i) {
  39                         printf("f1(%d)\n", -i);
  40                         abort ();
  41                 }
  42                 if (f2 (i) != i) {
  43                         printf("f2(%d)\n", i);
  44                         abort ();
  45                 }
  46 #endif
  47                 if ((int) f2 (-i) != i) {
  48                         printf("f2(%d) -> %d\n", -i, f2(-i));
  49                         abort ();
  50                 }
  51 #if 0
  52                 if (f3 ((long long) i) != i) {
  53                         printf("f3(%lld)\n", i);
  54                         abort ();
  55                 }
  56                 if (f3 ((long long) -i) != i) {
  57                         printf("f3(%lld)\n", -i);
  58                         abort ();
  59                 }
  60                 if (f4 ((long long) i) != i) {
  61                         printf("f4(%lld)\n", i);
  62                         abort ();
  63                 }
  64                 if (f4 ((long long) -i) != i) {
  65                         printf("f4(%d)\n", -i);
  66                         abort ();
  67                 }
  68 #endif
  69         }
  70         exit (0);
  71 }