$user = new AppUser();
    $user->Name = Input::get('Name');
    $user->User = Input::get('User');
    $user->Password = hash('sha256', Input::get('Password'));
    $user->Tipo = Input::get('tipo_usuario');


        if("SELECT COUNT(*) AS total FROM tabela WHERE campo='User'"){

            return redirect('/cadastroexistente');

        }else{

            return redirect('/cadastrado');
        }

    $user->save();

}