gcc/testsuite/gcc.dg/tree-ssa/cunroll-9.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-cunrolli-details" } */
   3 void abort (void);
   4 int q (void);
   5 int a[10];
   6 int b[11];
   7 int
   8 t (int n)
   9 {
  10   int i;
  11   int sum = 0;
  12   for (i = 0; i < n; i++)
  13     {
  14       if (i > 1000)
  15         abort ();
  16       if (q ())
  17         sum += a[i];
  18       else
  19         sum += b[i];
  20     }
  21   return sum;
  22 }
  23 /* { dg-final { scan-tree-dump-times "Removed pointless exit:" 1 "cunrolli" } } */