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annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/xir/RiXirGenerator.java @ 5333:b1de7c9ab0e0

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expanded analysis of compiled checkcast code paths
author Doug Simon <doug.simon@oracle.com>
date Wed, 02 May 2012 11:31:53 +0200
parents 7ceb3f3671b9
children 2e9a5365dfb0
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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.oracle.max.cri.xir;
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25 import com.oracle.max.cri.ci.*;
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26 import com.oracle.max.cri.ri.*;
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27 import com.oracle.max.cri.ri.RiType.Representation;
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29 /**
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30 * Represents the interface through which the compiler requests the XIR for a given bytecode from the runtime system.
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31 */
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32 public interface RiXirGenerator {
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34 XirSnippet genInvokeInterface(XirSite site, XirArgument receiver, RiMethod method);
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35
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36 XirSnippet genInvokeVirtual(XirSite site, XirArgument receiver, RiMethod method, boolean megamorph);
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38 XirSnippet genInvokeSpecial(XirSite site, XirArgument receiver, RiMethod method);
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39
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40 XirSnippet genInvokeStatic(XirSite site, RiMethod method);
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42 XirSnippet genMonitorEnter(XirSite site, XirArgument receiver, XirArgument lockAddress);
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44 XirSnippet genMonitorExit(XirSite site, XirArgument receiver, XirArgument lockAddress);
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46 XirSnippet genNewInstance(XirSite site, RiType type);
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48 XirSnippet genNewArray(XirSite site, XirArgument length, CiKind elementKind, RiType componentType, RiType arrayType);
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50 XirSnippet genNewMultiArray(XirSite site, XirArgument[] lengths, RiType type);
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51
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52 XirSnippet genCheckCast(XirSite site, XirArgument receiver, XirArgument hub, RiResolvedType type, RiResolvedType[] hints, boolean hintsExact);
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54 XirSnippet genInstanceOf(XirSite site, XirArgument receiver, XirArgument hub, RiType type, RiResolvedType[] hints, boolean hintsExact);
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56 XirSnippet genMaterializeInstanceOf(XirSite site, XirArgument receiver, XirArgument hub, XirArgument trueValue, XirArgument falseValue, RiType type, RiResolvedType[] hints, boolean hintsExact);
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58 /**
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59 * Generates code that checks that the {@linkplain Representation#ObjectHub hub} of
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60 * an object is identical to a given hub constant. In pseudo code:
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61 * <pre>
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62 * if (object.getHub() != hub) {
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63 * jump(falseSuccessor)
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64 * }
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65 * </pre>
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66 * This snippet should only be used when the object is guaranteed not to be null.
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67 */
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68 XirSnippet genTypeBranch(XirSite site, XirArgument thisHub, XirArgument otherHub, RiType type);
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70 /**
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71 * Initializes the XIR generator for the given XIR assembler.
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72 *
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73 * @param asm the XIR assembler
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74 */
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75 void initialize(CiXirAssembler asm);
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77 }