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 java.util.List; 27 import jdk.test.lib.jittester.Block; 28 import jdk.test.lib.jittester.IRNode; 29 import jdk.test.lib.jittester.visitors.Visitor; 30 31 public class DoWhile extends IRNode { 32 33 @Override 34 public<T> T accept(Visitor<T> v) { 35 return v.visit(this); 36 } 37 38 public Loop getLoop() { 39 return loop; 40 } 41 public enum DoWhilePart { 42 HEADER, 43 BODY1, 44 BODY2, 45 } 46 private final Loop loop; 47 // header; [subblock] 48 // do { 49 // body1; [subblock with breaks] 50 // mutate(counter); 51 // body2; [subblock with breaks] 52 // } while(condition); 53 private long thisLoopIterLimit = 0; 54 55 public DoWhile(int level, Loop loop, long thisLoopIterLimit, Block header, 56 Block body1, Block body2) { 57 super(body1.getResultType()); 58 this.level = level; 59 this.loop = loop; 60 this.thisLoopIterLimit = thisLoopIterLimit; 61 addChild(header); 62 addChild(body1); 63 addChild(body2); 64 } 65 66 @Override 67 public long complexity() { 68 IRNode header = getChild(DoWhilePart.HEADER.ordinal()); 69 IRNode body1 = getChild(DoWhilePart.BODY1.ordinal()); 70 IRNode body2 = getChild(DoWhilePart.BODY2.ordinal()); 71 return loop.initialization.complexity() 72 + header.complexity() 73 + thisLoopIterLimit * (body1.complexity() 74 + loop.manipulator.complexity() 75 + body2.complexity() 76 + loop.condition.complexity()); 77 } 78 79 @Override 80 public long countDepth() { 81 return Long.max(level, super.countDepth()); 82 } 83 84 @Override 85 public boolean removeSelf() { 86 IRNode header = getChildren().get(DoWhilePart.HEADER.ordinal()); 87 List<IRNode> siblings = getParent().getChildren(); 88 int index = siblings.indexOf(this); 89 siblings.set(index++, loop.initialization); 90 if (header instanceof Block) { 91 siblings.addAll(index, header.getChildren()); 92 } else { 93 siblings.add(index, header); 94 } 95 return true; 96 } 97 }