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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/MemoryPhiNode.java @ 18998:ec0733b5a90a

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Allow final modifier on node subclasses and start adding the modifier to leaf classes.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 28 Jan 2015 02:34:14 +0100
parents a2cb19764970
children 7e2c87dae93e
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640516a8ca6b Separate class for MemoryProxy and MemoryPhi.
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1 /*
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2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
640516a8ca6b Separate class for MemoryProxy and MemoryPhi.
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6 * under the terms of the GNU General Public License version 2 only, as
640516a8ca6b Separate class for MemoryProxy and MemoryPhi.
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
640516a8ca6b Separate class for MemoryProxy and MemoryPhi.
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
640516a8ca6b Separate class for MemoryProxy and MemoryPhi.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
640516a8ca6b Separate class for MemoryProxy and MemoryPhi.
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
640516a8ca6b Separate class for MemoryProxy and MemoryPhi.
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
640516a8ca6b Separate class for MemoryProxy and MemoryPhi.
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.nodes;
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24
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25 import com.oracle.graal.api.meta.*;
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26 import com.oracle.graal.compiler.common.type.*;
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27 import com.oracle.graal.graph.*;
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28 import com.oracle.graal.nodeinfo.*;
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29 import com.oracle.graal.nodes.extended.*;
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30
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31 /**
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32 * Memory {@code PhiNode}s merge memory dependencies at control flow merges.
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33 */
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34 @NodeInfo(nameTemplate = "MemoryPhi({i#values}) {p#locationIdentity/s}", allowedUsageTypes = {InputType.Memory})
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35 public final class MemoryPhiNode extends PhiNode implements MemoryNode {
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36
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37 @Input(InputType.Memory) NodeInputList<ValueNode> values;
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38 protected final LocationIdentity locationIdentity;
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39
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40 public MemoryPhiNode(AbstractMergeNode merge, LocationIdentity locationIdentity) {
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41 super(StampFactory.forVoid(), merge);
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42 this.locationIdentity = locationIdentity;
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43 this.values = new NodeInputList<>(this);
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44 }
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45
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46 public MemoryPhiNode(AbstractMergeNode merge, LocationIdentity locationIdentity, ValueNode[] values) {
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47 super(StampFactory.forVoid(), merge);
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48 this.locationIdentity = locationIdentity;
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49 this.values = new NodeInputList<>(this, values);
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50 }
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51
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52 public LocationIdentity getLocationIdentity() {
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53 return locationIdentity;
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54 }
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55
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56 @Override
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57 public NodeInputList<ValueNode> values() {
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58 return values;
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59 }
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60 }