--- /dev/null 2017-11-16 08:17:56.803999947 +0100 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/memory/address/IndexAddressNode.java 2019-03-09 03:58:08.209527837 +0100 @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + + +package org.graalvm.compiler.nodes.memory.address; + +import org.graalvm.compiler.graph.NodeClass; +import org.graalvm.compiler.nodeinfo.InputType; +import org.graalvm.compiler.nodeinfo.NodeInfo; +import org.graalvm.compiler.nodes.ValueNode; +import org.graalvm.compiler.nodes.spi.Lowerable; +import org.graalvm.compiler.nodes.spi.LoweringTool; + +import jdk.vm.ci.meta.JavaKind; + +/** + * Represents an address that points to an element of a Java array. + */ +@NodeInfo(allowedUsageTypes = InputType.Association) +public class IndexAddressNode extends AddressNode implements Lowerable { + public static final NodeClass TYPE = NodeClass.create(IndexAddressNode.class); + + @Input ValueNode array; + @Input ValueNode index; + + private final JavaKind elementKind; + + public IndexAddressNode(ValueNode array, ValueNode index, JavaKind elementKind) { + super(TYPE); + this.array = array; + this.index = index; + this.elementKind = elementKind; + } + + @Override + public ValueNode getBase() { + return array; + } + + public ValueNode getArray() { + return array; + } + + @Override + public ValueNode getIndex() { + return index; + } + + @Override + public long getMaxConstantDisplacement() { + return Long.MAX_VALUE; + } + + public JavaKind getElementKind() { + return elementKind; + } + + @Override + public void lower(LoweringTool tool) { + tool.getLowerer().lower(this, tool); + } +}