Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ArrayRangeWriteNode.java @ 19526:8fc336a04d77
Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Fri, 20 Feb 2015 22:22:55 +0100 |
parents | 880717e44675 |
children | cba35d171cd1 |
line wrap: on
line source
/* * Copyright (c) 2013, 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.extended; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; /** * Base class for nodes that modify a range of an array. */ @NodeInfo public abstract class ArrayRangeWriteNode extends AbstractMemoryCheckpoint { public static final NodeClass<ArrayRangeWriteNode> TYPE = NodeClass.create(ArrayRangeWriteNode.class); protected ArrayRangeWriteNode(NodeClass<? extends ArrayRangeWriteNode> c, Stamp stamp) { super(c, stamp); } /** * The array that is written to. */ public abstract ValueNode getArray(); /** * The first modified index. */ public abstract ValueNode getIndex(); /** * The length of the modified range. */ public abstract ValueNode getLength(); /** * Return true if the written array is an object array, false if it is a primitive array. */ public abstract boolean isObjectArray(); /** * Returns whether this write is the initialization of the written location. If it is true, the * old value of the memory location is either uninitialized or zero. If it is false, the memory * location is guaranteed to contain a valid value or zero. */ public abstract boolean isInitialization(); }