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 test(int c)
   5 {
   6   int i;
   7   for (i=0;i<c;i++)
   8     a[i]=5;
   9 }
  10 /* Array bounds says the loop will not roll much.  */
  11 /* { dg-final { scan-tree-dump "Completely unroll loop 2 times" "cunrolli"} } */
  12 /* { dg-final { scan-tree-dump "Last iteration exit edge was proved true." "cunrolli"} } */
  13 /* { dg-final { cleanup-tree-dump "cunrolli" } } */