1 /*
   2  * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.test.lib.jittester.loops;
  25 
  26 import jdk.test.lib.jittester.IRNode;
  27 import jdk.test.lib.jittester.LocalVariable;
  28 import jdk.test.lib.jittester.visitors.Visitor;
  29 
  30 /*
  31  * Note: Can be theoretically subclassed from Operator and have an
  32  * operatorPriority field. Therefore, it can used later as a part
  33  * of some expression.
  34  */
  35 
  36 public class CounterManipulator extends IRNode {
  37     LocalVariable counter;
  38 
  39     public CounterManipulator(IRNode manipulator) {
  40         addChild(manipulator);
  41     }
  42 
  43     @Override
  44     public long complexity() {
  45         IRNode manipulator = getChild(0);
  46         return manipulator != null ? manipulator.complexity() : 0;
  47     }
  48 
  49     @Override
  50     public<T> T accept(Visitor<T> v) {
  51         return v.visit(this);
  52     }
  53 }