Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadIndexedNode.java @ 7530:5e3d1a68664e
applied mx eclipseformat to all Java files
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 23 Jan 2013 16:34:57 +0100 |
parents | 94f032472c28 |
children | 0b646334c5f7 |
line wrap: on
line source
/* * 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.graal.nodes.java; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; /** * The {@code LoadIndexedNode} represents a read from an element of an array. */ public final class LoadIndexedNode extends AccessIndexedNode implements Node.IterableNodeType, Virtualizable { /** * Creates a new LoadIndexedNode. * * @param array the instruction producing the array * @param index the instruction producing the index * @param elementKind the element type */ public LoadIndexedNode(ValueNode array, ValueNode index, Kind elementKind, long leafGraphId) { super(createStamp(array, elementKind), array, index, elementKind, leafGraphId); } private static Stamp createStamp(ValueNode array, Kind kind) { if (kind == Kind.Object && array.objectStamp().type() != null) { return StampFactory.declared(array.objectStamp().type().getComponentType()); } else { return StampFactory.forKind(kind); } } @Override public void virtualize(VirtualizerTool tool) { State arrayState = tool.getObjectState(array()); if (arrayState != null && arrayState.getState() == EscapeState.Virtual) { ValueNode indexValue = tool.getReplacedValue(index()); int index = indexValue.isConstant() ? indexValue.asConstant().asInt() : -1; if (index >= 0 && index < arrayState.getVirtualObject().entryCount()) { tool.replaceWith(arrayState.getEntry(index)); } } } }