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annotate graal/GraalCompiler/src/com/sun/c1x/ir/ResolveClass.java @ 2634:4dd0573f510b

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FrameState fixes.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 11 May 2011 10:52:37 +0200
parents 569228710be8
children
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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.value.*;
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28 import com.sun.cri.ci.*;
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29 import com.sun.cri.ri.*;
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30
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31 /**
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32 * An instruction that represents the runtime resolution of a Java class object. For example, an
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33 * ldc of a class constant that is unresolved.
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34 */
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35 public final class ResolveClass extends StateSplit {
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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 public final RiType type;
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41 public final RiType.Representation portion;
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42
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43 public ResolveClass(RiType type, RiType.Representation r, Graph graph, FrameState stateBefore) {
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44 super(type.getRepresentationKind(r), INPUT_COUNT, SUCCESSOR_COUNT, graph);
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45 this.portion = r;
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46 this.type = type;
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47 setFlag(Flag.NonNull);
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48 setStateBefore(stateBefore);
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49 }
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50
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51 @Override
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52 public void accept(ValueVisitor v) {
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53 v.visitResolveClass(this);
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54 }
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55
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56 @Override
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57 public int valueNumber() {
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58 return 0x50000000 | type.hashCode();
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59 }
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60
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61 @Override
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62 public boolean valueEqual(Instruction x) {
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63 if (x instanceof ResolveClass) {
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64 ResolveClass r = (ResolveClass) x;
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65 return r.portion == portion && r.type.equals(type);
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66 }
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67 return false;
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68 }
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69
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70 @Override
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71 public String toString() {
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72 return super.toString() + "(type: " + type + ", portion: " + portion + ")";
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73 }
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74
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75 @Override
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76 public void print(LogStream out) {
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77 out.print("resolve[").print(CiUtil.toJavaName(type)).print("-" + portion + "]");
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78 }
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79
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80 }