1/* 2 * Copyright (c) 2013, 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 */ 23package org.graalvm.compiler.nodes.virtual; 24 25import org.graalvm.compiler.graph.NodeClass; 26import org.graalvm.compiler.nodeinfo.NodeInfo; 27import org.graalvm.compiler.nodes.FixedNode; 28import org.graalvm.compiler.nodes.ValueNode; 29import org.graalvm.compiler.nodes.extended.BoxNode; 30 31import org.graalvm.compiler.nodes.spi.VirtualizerTool; 32import jdk.vm.ci.meta.JavaKind; 33import jdk.vm.ci.meta.ResolvedJavaType; 34 35@NodeInfo 36public class VirtualBoxingNode extends VirtualInstanceNode { 37 38 public static final NodeClass<VirtualBoxingNode> TYPE = NodeClass.create(VirtualBoxingNode.class); 39 protected final JavaKind boxingKind; 40 41 public VirtualBoxingNode(ResolvedJavaType type, JavaKind boxingKind) { 42 this(TYPE, type, boxingKind); 43 } 44 45 public VirtualBoxingNode(NodeClass<? extends VirtualBoxingNode> c, ResolvedJavaType type, JavaKind boxingKind) { 46 super(c, type, false); 47 this.boxingKind = boxingKind; 48 } 49 50 public JavaKind getBoxingKind() { 51 return boxingKind; 52 } 53 54 @Override 55 public VirtualBoxingNode duplicate() { 56 return new VirtualBoxingNode(type(), boxingKind); 57 } 58 59 @Override 60 public ValueNode getMaterializedRepresentation(FixedNode fixed, ValueNode[] entries, LockState locks) { 61 assert entries.length == 1; 62 assert locks == null; 63 return new BoxNode(entries[0], type(), boxingKind); 64 } 65 66 public ValueNode getBoxedValue(VirtualizerTool tool) { 67 return tool.getEntry(this, 0); 68 } 69} 70