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annotate graal/GraalCompiler/src/com/sun/c1x/ir/NewArray.java @ 2595:4a4dab936c1e

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new node layout: AccessField
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 05 May 2011 15:49:48 +0200
parents c58a301eb2d7
children f1bc67c2d453
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2507
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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.value.*;
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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 * @author Ben L. Titzer
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32 */
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33 public abstract class NewArray extends StateSplit {
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34
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35 Value length;
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36
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37 /**
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38 * Constructs a new NewArray instruction.
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39 * @param length the instruction that produces the length for this allocation
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40 * @param stateBefore the state before the allocation
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41 */
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42 NewArray(Value length, FrameState stateBefore) {
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43 super(CiKind.Object, stateBefore);
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44 this.length = length;
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45 setFlag(Flag.NonNull);
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46 }
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47
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48 /**
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49 * Gets the instruction that produces the length of this array.
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50 * @return the instruction that produces the length
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51 */
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52 public Value length() {
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53 return length;
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54 }
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55
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56 /**
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57 * Applies the specified closure to all input values of this instruction.
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58 * @param closure the closure to apply
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59 */
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60 @Override
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61 public void inputValuesDo(ValueClosure closure) {
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62 length = closure.apply(length);
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63 }
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64 }