src/hotspot/share/opto/graphKit.cpp

*** 2792,2801 ****
--- 2792,2817 ----
    // (User must make the replace_in_map call.)
  
    return fail;
  }
  
+ //------------------------------subtype_check_receiver-------------------------
+ Node* GraphKit::subtype_check_receiver(Node* receiver, ciKlass* klass,
+                                        Node** casted_receiver) {
+   const TypeKlassPtr* tklass = TypeKlassPtr::make(klass);
+   Node* recv_klass = load_object_klass(receiver);
+   Node* want_klass = makecon(tklass);
+ 
+   Node* slow_ctl = gen_subtype_check(recv_klass, want_klass);
+ 
+   // Cast receiver after successful check
+   const TypeOopPtr* recv_type = tklass->cast_to_exactness(false)->is_klassptr()->as_instance_type();
+   Node* cast = new CheckCastPPNode(control(), receiver, recv_type);
+   (*casted_receiver) = _gvn.transform(cast);
+ 
+   return slow_ctl;
+ }
  
  //------------------------------seems_never_null-------------------------------
  // Use null_seen information if it is available from the profile.
  // If we see an unexpected null at a type check we record it and force a
  // recompile; the offending check will be recompiled to handle NULLs.