gcc/testsuite/gcc.dg/tree-ssa/loop-38.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-cunrolli-details" } */
   3 int a[10];
   4 int b[11];
   5 int q (void);
   6 int
   7 t(int n)
   8 {
   9    int i;
  10    int sum = 0;
  11    for (i=0;i<n;i++)
  12      if (q())
  13         sum+=a[i];
  14      else
  15         sum+=b[i];
  16   return sum;
  17 }
  18 /* { dg-final { scan-tree-dump "Loop 1 iterates at most 11 times" "cunrolli" } } */