Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/ir/StoreField.java @ 2853:0635ba16afe4
Reintroduce Logic subclasses, creating some Canonicalization related classes
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Tue, 07 Jun 2011 15:52:55 +0200 |
parents | 14708c03abba |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 2011, 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.sun.c1x.ir; |
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24 |
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25 import com.oracle.graal.graph.*; |
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26 import com.sun.c1x.debug.*; |
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27 import com.sun.cri.ci.*; |
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28 import com.sun.cri.ri.*; |
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29 |
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30 /** |
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31 * The {@code StoreField} instruction represents a write to a static or instance field. |
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32 */ |
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33 public final class StoreField extends AccessField { |
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34 |
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35 private static final int INPUT_COUNT = 1; |
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36 private static final int INPUT_VALUE = 0; |
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37 |
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38 private static final int SUCCESSOR_COUNT = 0; |
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39 |
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40 @Override |
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41 protected int inputCount() { |
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42 return super.inputCount() + INPUT_COUNT; |
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43 } |
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44 |
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45 @Override |
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46 protected int successorCount() { |
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47 return super.successorCount() + SUCCESSOR_COUNT; |
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48 } |
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49 |
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50 /** |
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51 * The value that is written to the field. |
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52 */ |
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53 public Value value() { |
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54 return (Value) inputs().get(super.inputCount() + INPUT_VALUE); |
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55 } |
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56 |
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57 public Value setValue(Value n) { |
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58 return (Value) inputs().set(super.inputCount() + INPUT_VALUE, n); |
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59 } |
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60 |
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61 /** |
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62 * Creates a new LoadField instance. |
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63 * @param object the receiver object |
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64 * @param field the compiler interface field |
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65 * @param value the instruction representing the value to store to the field |
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66 * @param stateAfter the state after the field access |
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67 * @param graph |
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68 */ |
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69 public StoreField(Value object, RiField field, Value value, Graph graph) { |
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70 super(CiKind.Void, object, field, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
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71 setValue(value); |
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72 } |
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73 |
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74 @Override |
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75 public void accept(ValueVisitor v) { |
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76 v.visitStoreField(this); |
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77 } |
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78 |
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79 @Override |
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80 public void print(LogStream out) { |
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81 out.print(object()). |
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82 print("."). |
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83 print(field().name()). |
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84 print(" := "). |
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85 print(value()). |
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86 print(" [type: ").print(CiUtil.format("%h.%n:%t", field(), false)). |
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87 print(']'); |
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88 } |
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89 |
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90 @Override |
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91 public Node copy(Graph into) { |
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92 StoreField x = new StoreField(null, field, null, into); |
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93 return x; |
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94 } |
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95 } |