gcc/testsuite/gcc.dg/tree-ssa/cunroll-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fdump-tree-cunrolli-details" } */
   3 int a[2];
   4 void
   5 test(int c)
   6 {
   7   int i;
   8   for (i=0;i<c;i++)
   9     a[i]=5;
  10 }
  11 /* Array bounds says the loop will not roll much.  */
  12 /* { dg-final { scan-tree-dump "loop with 2 iterations completely unrolled" "cunrolli"} } */
  13 /* { dg-final { scan-tree-dump "Last iteration exit edge was proved true." "cunrolli"} } */