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 }