Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/ir/Deoptimize.java @ 2707:7ed72769d51a
exception handling related changes:
* changed blockPredecessors to list of Instructions, instead of Blocks
* removed explicit predecessor management in BlockBegin, now using predecessors from Graph structure
* replaced generated LIR exception entries with exception dispatch chains in IR
* added Unwind and ExceptionDispatch instructions
* removed ExceptionEntry flag in BlockBegin and all code depending on it
* removed exceptionHandler list from Instruction, replaced by exception Edge on Invoke and Throw
* replaced list of ExceptionHandlers with single exception edge in debug info
misc:
* changed GraphvizPrinter layout (smaller ports on large nodes)
* removed defunct run config
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 18 May 2011 18:09:20 +0200 |
parents | d8601d421b96 |
children | 7b7dbe19fafb |
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New Deoptimize node, remove ResolveClass node and replace it with deoptimization
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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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New Deoptimize node, remove ResolveClass node and replace it with deoptimization
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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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New Deoptimize node, remove ResolveClass node and replace it with deoptimization
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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 |
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30 |
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31 /** |
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32 * |
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33 */ |
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34 public class Deoptimize extends Instruction { |
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35 |
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36 private static final int INPUT_COUNT = 1; |
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37 private static final int SUCCESSOR_COUNT = 0; |
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38 private static final int INPUT_STATE_BEFORE = 0; |
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39 |
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40 /** |
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41 * @param kind |
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42 * @param inputCount |
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43 * @param successorCount |
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44 * @param graph |
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45 */ |
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46 public Deoptimize(Graph graph, FrameState stateBefore) { |
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47 super(CiKind.Illegal, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
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48 this.setStateBefore(stateBefore); |
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49 } |
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50 |
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51 @Override |
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52 protected int inputCount() { |
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53 return super.inputCount() + INPUT_COUNT; |
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54 } |
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55 |
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56 @Override |
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57 protected int successorCount() { |
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58 return super.successorCount() + SUCCESSOR_COUNT; |
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59 } |
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60 |
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61 /** |
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62 * The state for this instruction. |
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63 */ |
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64 public FrameState stateBefore() { |
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65 return (FrameState) inputs().get(super.inputCount() + INPUT_STATE_BEFORE); |
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66 } |
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67 |
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68 public FrameState setStateBefore(FrameState n) { |
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69 return (FrameState) inputs().set(super.inputCount() + INPUT_STATE_BEFORE, n); |
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70 } |
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71 |
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72 @Override |
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73 public void accept(ValueVisitor v) { |
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74 v.visitDeoptimize(this); |
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75 } |
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76 |
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77 @Override |
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78 public void print(LogStream out) { |
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79 out.print("deoptimize"); |
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80 } |
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81 |
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82 } |