gcc/testsuite/gcc.dg/vect/vect-switch-ifcvt-2.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 /* Check for cases currently not supported by switch tree if conversion.  */
   5
   6 int
   7 f1 (char *s)
   8 {
   9   int c = 0;
  10   int i;
  11   for (i = 0; i < 64; i++)
  12     {
  13       switch (*s)
  14         {
  15         case ',':
  16         case '|':
  17           c++;
  18           break;
  19         case '^':
  20           c += 2;
  21           break;
  22         }
  23       s++;
  24     }
  25   return c;
  26 }
  27
  28 int
  29 f2 (char *s)
  30 {
  31   int c = 0;
  32   int i;
  33   for (i = 0; i < 64; i++)
  34     {
  35       switch (*s)
  36         {
  37         case ',':
  38         case '|':
  39           c++;
  40           /*fallthrough*/
  41         default:
  42           c+=2;
  43         }
  44       s++;
  45     }
  46   return c;
  47 }
  48
  49 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" } } */