gcc/testsuite/gcc.dg/tree-prof/bb-reorg.c

   1 /* { dg-require-effective-target freorder } */
   2 /* { dg-options "-O2 -freorder-blocks-and-partition" } */
   3
   4 #include <string.h>
   5
   6 #define SIZE 1000
   7 int t0 = 0;
   8 const char *t2[SIZE];
   9 char buf[SIZE];
  10
  11 void
  12 foo (void)
  13 {
  14   char *s = buf;
  15   t0 = 1;
  16
  17   for (;;)
  18     {
  19       if (*s == '\0')
  20         break;
  21       else
  22         {
  23           t2[t0] = s;
  24           t0++;
  25         }
  26       *s++ = '\0';
  27     }
  28   t2[t0] = NULL;
  29 }
  30
  31
  32 int
  33 main ()
  34 {
  35   strcpy (buf, "hello");
  36   foo ();
  37   return 0;
  38 }
  39