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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/FloatingAccessNode.java @ 20074:a7ee2e1f0d4e

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remove UnboxNodes without usages (if object is non-null)
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 30 Mar 2015 13:59:59 +0200
parents 8fc336a04d77
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2011, 2012, 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
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6 * under the terms of the GNU General Public License version 2 only, as
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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
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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
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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
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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.extended;
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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.*;
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30
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31 @NodeInfo
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32 public abstract class FloatingAccessNode extends FloatingGuardedNode implements Access, MemoryAccess {
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33 public static final NodeClass<FloatingAccessNode> TYPE = NodeClass.create(FloatingAccessNode.class);
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34
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35 @Input ValueNode object;
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36 @Input(InputType.Association) LocationNode location;
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37 protected BarrierType barrierType;
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38
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39 public ValueNode object() {
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40 return object;
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41 }
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42
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43 public LocationNode location() {
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44 return location;
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45 }
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46
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47 public LocationNode accessLocation() {
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48 return location;
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49 }
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50
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51 public LocationIdentity getLocationIdentity() {
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52 return location.getLocationIdentity();
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53 }
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54
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55 protected FloatingAccessNode(NodeClass<? extends FloatingAccessNode> c, ValueNode object, LocationNode location, Stamp stamp) {
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56 super(c, stamp);
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57 this.object = object;
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58 this.location = location;
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59 }
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60
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61 protected FloatingAccessNode(NodeClass<? extends FloatingAccessNode> c, ValueNode object, LocationNode location, Stamp stamp, GuardingNode guard, BarrierType barrierType) {
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62 super(c, stamp, guard);
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63 this.object = object;
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64 this.location = location;
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65 this.barrierType = barrierType;
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66 }
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68 @Override
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69 public BarrierType getBarrierType() {
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70 return barrierType;
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71 }
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72
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73 public boolean canNullCheck() {
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74 return true;
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75 }
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76
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77 public abstract FixedAccessNode asFixedNode();
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78 }