Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/LocationNode.java @ 18993:480bd3b1adcd
Rename BeginNode => AbstractBeginNode.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 28 Jan 2015 00:50:31 +0100 |
parents | d138867d61c4 |
children | 7e2c87dae93e |
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/* * Copyright (c) 2011, 2012, 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.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.Node.ValueNumberable; import com.oracle.graal.lir.gen.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.spi.*; /** * A location for a memory access in terms of the kind of value accessed and how to access it. All * locations have the form [base + location], where base is a node and location is defined by * subclasses of the {@link LocationNode}. */ @NodeInfo(allowedUsageTypes = {InputType.Association}) public abstract class LocationNode extends FloatingNode implements LIRLowerable, ValueNumberable { /** * Marker interface for locations in snippets. */ public interface Location { } protected LocationNode(Stamp stamp) { super(stamp); } /** * Returns the identity of the accessed memory location. */ public abstract LocationIdentity getLocationIdentity(); @Override public final void generate(NodeLIRBuilderTool generator) { // nothing to do... } public abstract Value generateAddress(NodeMappableLIRBuilder builder, LIRGeneratorTool gen, Value base); /** * @return the range of the displacement as a 64-bit integer stamp */ public abstract IntegerStamp getDisplacementStamp(); }