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 */ 23 package org.graalvm.compiler.hotspot.nodes; 24 25 import org.graalvm.compiler.graph.NodeClass; 26 import org.graalvm.compiler.nodeinfo.InputType; 27 import org.graalvm.compiler.nodeinfo.NodeInfo; 28 import org.graalvm.compiler.nodes.ValueNode; 29 import org.graalvm.compiler.nodes.memory.address.AddressNode; 30 31 @NodeInfo 32 public abstract class ObjectWriteBarrier extends WriteBarrier { 33 34 public static final NodeClass<ObjectWriteBarrier> TYPE = NodeClass.create(ObjectWriteBarrier.class); 35 @Input(InputType.Association) protected AddressNode address; 36 @OptionalInput protected ValueNode value; 37 protected final boolean precise; 38 39 protected ObjectWriteBarrier(NodeClass<? extends ObjectWriteBarrier> c, AddressNode address, ValueNode value, boolean precise) { 40 super(c); 41 this.address = address; 42 this.value = value; 43 this.precise = precise; 44 } 45 46 public ValueNode getValue() { 47 return value; 48 } 49 50 public AddressNode getAddress() { 51 return address; 52 } 53 54 public boolean usePrecise() { 55 return precise; 56 } 57 }