Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/ir/StoreIndexed.java @ 2541:0f9eeb15e636
More Value.Flag clean up.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 20:58:01 +0200 |
parents | fa3bda50cbfd |
children | c58a301eb2d7 |
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.sun.c1x.debug.*; |
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26 import com.sun.c1x.value.*; |
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27 import com.sun.cri.ci.*; |
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28 |
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29 /** |
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30 * The {@code StoreIndexed} instruction represents a write to an array element. |
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31 * |
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32 * @author Ben L. Titzer |
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33 */ |
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34 public final class StoreIndexed extends AccessIndexed { |
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35 |
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36 /** |
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37 * The value to store. |
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38 */ |
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39 Value value; |
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40 |
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41 /** |
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42 * Creates a new StoreIndexed instruction. |
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43 * @param array the instruction producing the array |
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44 * @param index the instruction producing the index |
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45 * @param length the instruction producing the length |
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46 * @param elementType the element type |
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47 * @param value the value to store into the array |
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48 * @param stateBefore the state before executing this instruction |
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49 */ |
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50 public StoreIndexed(Value array, Value index, Value length, CiKind elementType, Value value, FrameState stateBefore) { |
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51 super(CiKind.Void, array, index, length, elementType, stateBefore); |
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52 this.value = value; |
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53 setFlag(Flag.LiveSideEffect); |
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54 } |
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55 |
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56 /** |
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57 * Gets the instruction that produces the value that is to be stored into the array. |
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58 * @return the value to write into the array |
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59 */ |
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60 public Value value() { |
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61 return value; |
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62 } |
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63 |
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64 /** |
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65 * Checks whether this instruction can cause a trap. |
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66 * @return {@code true} if this instruction can cause a trap |
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67 */ |
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68 @Override |
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69 public boolean canTrap() { |
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70 return true; |
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71 } |
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72 |
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73 @Override |
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74 public void inputValuesDo(ValueClosure closure) { |
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75 super.inputValuesDo(closure); |
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76 value = closure.apply(value); |
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77 } |
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78 |
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79 @Override |
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80 public void accept(ValueVisitor v) { |
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81 v.visitStoreIndexed(this); |
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82 } |
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83 |
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84 @Override |
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85 public void print(LogStream out) { |
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86 out.print(array()).print('[').print(index()).print("] := ").print(value()).print(" (").print(kind.typeChar).print(')'); |
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87 } |
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88 } |