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annotate graal/GraalCompiler/src/com/sun/c1x/ir/InstanceOf.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.c1x.util.*;
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28 import com.sun.cri.bytecode.*;
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29 import com.sun.cri.ci.*;
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30 import com.sun.cri.ri.*;
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31
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32 /**
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33 * The {@code InstanceOf} instruction represents an instanceof test.
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34 */
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35 public final class InstanceOf extends TypeCheck {
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36
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37 private static final int INPUT_COUNT = 0;
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38 private static final int SUCCESSOR_COUNT = 0;
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39
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40 /**
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41 * Constructs a new InstanceOf instruction.
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42 * @param targetClass the target class of the instanceof check
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43 * @param object the instruction producing the object input to this instruction
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44 * @param graph
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45 */
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46 public InstanceOf(RiType targetClass, Value targetClassInstruction, Value object, Graph graph) {
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47 super(targetClass, targetClassInstruction, object, CiKind.Int, INPUT_COUNT, SUCCESSOR_COUNT, graph);
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48 }
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49
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50 @Override
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51 public void accept(ValueVisitor v) {
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52 v.visitInstanceOf(this);
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53 }
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54
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55 @Override
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56 public int valueNumber() {
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57 return Util.hash1(Bytecodes.INSTANCEOF, object());
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58 }
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59
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60 @Override
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61 public boolean valueEqual(Node i) {
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62 if (i instanceof InstanceOf) {
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63 InstanceOf o = (InstanceOf) i;
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64 return targetClass == o.targetClass && object() == o.object();
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65 }
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66 return false;
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67 }
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68
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69 @Override
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70 public void print(LogStream out) {
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71 out.print("instanceof(").print(object()).print(") ").print(CiUtil.toJavaName(targetClass()));
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72 }
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73
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74 @Override
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75 public Node copy(Graph into) {
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76 InstanceOf x = new InstanceOf(targetClass, null, null, into);
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77 return x;
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78 }
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79 }