Mercurial > hg > graal-jvmci-8
annotate graal/GraalCompiler/src/com/sun/c1x/ir/NewArray.java @ 2821:015be60afcf3
removed flags from Value class
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Mon, 30 May 2011 17:05:06 +0200 |
parents | 5526d82388be |
children | d54ea877a302 |
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.cri.ci.*; |
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27 |
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28 /** |
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29 * The {@code NewArray} class is the base of all instructions that allocate arrays. |
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30 */ |
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31 public abstract class NewArray extends Value { |
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32 |
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33 private static final int INPUT_COUNT = 1; |
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34 private static final int INPUT_LENGTH = 0; |
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35 |
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36 private static final int SUCCESSOR_COUNT = 0; |
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37 |
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38 @Override |
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39 protected int inputCount() { |
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40 return super.inputCount() + INPUT_COUNT; |
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41 } |
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42 |
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43 @Override |
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44 protected int successorCount() { |
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45 return super.successorCount() + SUCCESSOR_COUNT; |
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46 } |
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47 |
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48 /** |
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49 * The instruction that produces the length of this array. |
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50 */ |
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51 public Value length() { |
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52 return (Value) inputs().get(super.inputCount() + INPUT_LENGTH); |
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53 } |
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54 |
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55 public Value setLength(Value n) { |
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56 return (Value) inputs().set(super.inputCount() + INPUT_LENGTH, n); |
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57 } |
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58 |
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59 /** |
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60 * Constructs a new NewArray instruction. |
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61 * @param length the instruction that produces the length for this allocation |
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62 * @param stateBefore the state before the allocation |
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63 * @param inputCount |
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64 * @param successorCount |
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65 * @param graph |
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66 */ |
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67 NewArray(Value length, int inputCount, int successorCount, Graph graph) { |
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68 super(CiKind.Object, inputCount + INPUT_COUNT, successorCount + SUCCESSOR_COUNT, graph); |
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69 setNonNull(true); |
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70 setLength(length); |
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71 } |
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72 } |