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annotate graal/GraalCompiler/src/com/sun/c1x/ir/NewMultiArray.java @ 2851:14708c03abba

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Remove isNonNull
author Gilles Duboscq <gilles.duboscq@oracle.com>
date Tue, 07 Jun 2011 11:36:32 +0200
parents bfce42cd9c07
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 NewMultiArray} instruction represents an allocation of a multi-dimensional object
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32 * array.
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33 */
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34 public final class NewMultiArray extends NewArray {
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35
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36 private final int dimensionCount;
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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() + dimensionCount;
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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 list of instructions which produce input for this instruction.
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52 */
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53 public Value dimension(int index) {
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54 assert index >= 0 && index < dimensionCount;
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55 return (Value) inputs().get(super.inputCount() + index);
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56 }
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57
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58 public Value setDimension(int index, Value n) {
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59 assert index >= 0 && index < dimensionCount;
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60 return (Value) inputs().set(super.inputCount() + index, n);
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61 }
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62
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63 /**
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64 * The rank of the array allocated by this instruction, i.e. how many array dimensions.
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65 */
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66 public int dimensionCount() {
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67 return dimensionCount;
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68 }
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69
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70 public final RiType elementType;
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71 public final int cpi;
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72 public final RiConstantPool constantPool;
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73
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74 /**
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75 * Constructs a new NewMultiArray instruction.
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76 * @param elementType the element type of the array
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77 * @param dimensions the instructions which produce the dimensions for this array
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78 * @param stateBefore the state before this instruction
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79 * @param cpi the constant pool index for resolution
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80 * @param riConstantPool the constant pool for resolution
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81 * @param graph
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82 */
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83 public NewMultiArray(RiType elementType, Value[] dimensions, int cpi, RiConstantPool riConstantPool, Graph graph) {
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84 super(null, dimensions.length, SUCCESSOR_COUNT, graph);
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85 this.constantPool = riConstantPool;
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86 this.elementType = elementType;
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87 this.cpi = cpi;
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88
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89 this.dimensionCount = dimensions.length;
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90 for (int i = 0; i < dimensions.length; i++) {
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91 setDimension(i, dimensions[i]);
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92 }
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93 }
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94
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95 @Override
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96 public void accept(ValueVisitor v) {
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97 v.visitNewMultiArray(this);
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98 }
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99
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100 /**
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101 * Gets the element type of the array.
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102 * @return the element type of the array
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103 */
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104 public RiType elementType() {
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105 return elementType;
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106 }
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107
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108 @Override
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109 public void print(LogStream out) {
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110 out.print("new multi array [");
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111 for (int i = 0; i < dimensionCount; i++) {
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112 if (i > 0) {
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113 out.print(", ");
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114 }
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115 out.print(dimension(i));
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116 }
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117 out.print("] ").print(CiUtil.toJavaName(elementType));
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118 }
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119
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120 @Override
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121 public Node copy(Graph into) {
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122 NewMultiArray x = new NewMultiArray(elementType, new Value[dimensionCount], cpi, constantPool, into);
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123 return x;
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124 }
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125 }