Mercurial > hg > truffle
view graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/nodes/java/AccessIndexedNode.java @ 3530:da773e1b6d9f
Third round of refactoring.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 10 Aug 2011 00:47:53 +0200 |
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/* * Copyright (c) 2009, 2011, 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 com.oracle.max.graal.nodes.java; import com.oracle.max.graal.graph.*; import com.oracle.max.graal.nodes.base.*; import com.sun.cri.ci.*; /** * The {@code AccessIndexed} class is the base class of instructions that read or write * elements of an array. */ public abstract class AccessIndexedNode extends AccessArrayNode { @Input private ValueNode index; @Input private ValueNode length; public ValueNode index() { return index; } public void setIndex(ValueNode x) { updateUsages(index, x); index = x; } public ValueNode length() { return length; } public void setLength(ValueNode x) { updateUsages(length, x); length = x; } private final CiKind elementType; /** * Create an new AccessIndexed instruction. * @param kind the result kind of the access * @param array the instruction producing the array * @param index the instruction producing the index * @param length the instruction producing the length (used in bounds check elimination?) * @param elementKind the type of the elements of the array * @param graph */ protected AccessIndexedNode(CiKind kind, ValueNode array, ValueNode index, ValueNode length, CiKind elementKind, Graph graph) { super(kind, array, graph); setIndex(index); setLength(length); this.elementType = elementKind; } /** * Gets the element type of the array. * @return the element type */ public CiKind elementKind() { return elementType; } }