Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/lir/LIRBlock.java @ 2700:d06cff53b77e
More cleanup.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 18 May 2011 16:09:31 +0200 |
parents | 0ea5f12e873a |
children | 42450f536d24 |
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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.lir; |
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24 |
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25 import com.oracle.max.asm.*; |
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26 import com.sun.c1x.alloc.*; |
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27 import com.sun.cri.ci.*; |
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28 |
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29 /** |
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30 * The {@code LIRBlock} class definition. |
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31 */ |
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32 public final class LIRBlock { |
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33 |
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34 public LIRBlock() { |
2700 | 35 loopIndex = -1; |
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36 } |
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37 |
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38 public final Label label = new Label(); |
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39 private LIRList lir; |
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40 |
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41 /** |
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42 * Bit map specifying which {@linkplain OperandPool operands} are live upon entry to this block. |
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43 * These are values used in this block or any of its successors where such value are not defined |
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44 * in this block. |
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45 * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}. |
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46 */ |
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47 public CiBitMap liveIn; |
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48 |
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49 /** |
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50 * Bit map specifying which {@linkplain OperandPool operands} are live upon exit from this block. |
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51 * These are values used in a successor block that are either defined in this block or were live |
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52 * upon entry to this block. |
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53 * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}. |
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54 */ |
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55 public CiBitMap liveOut; |
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56 |
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57 /** |
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58 * Bit map specifying which {@linkplain OperandPool operands} are used (before being defined) in this block. |
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59 * That is, these are the values that are live upon entry to the block. |
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60 * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}. |
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61 */ |
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62 public CiBitMap liveGen; |
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63 |
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64 /** |
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65 * Bit map specifying which {@linkplain OperandPool operands} are defined/overwritten in this block. |
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66 * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}. |
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67 */ |
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68 public CiBitMap liveKill; |
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69 |
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70 public int firstLirInstructionID; |
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71 public int lastLirInstructionID; |
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72 public int exceptionHandlerPCO; |
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73 |
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75 public int loopDepth; | |
76 public int loopIndex; | |
77 | |
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78 public LIRList lir() { |
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79 return lir; |
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80 } |
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81 |
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82 public void setLir(LIRList lir) { |
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83 this.lir = lir; |
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84 } |
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85 } |