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comparison graal/GraalCompiler/src/com/sun/c1x/lir/LIRBlock.java @ 2509:16b9a8b5ad39

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Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:50:44 +0200
parents graal/Compiler/src/com/sun/c1x/lir/LIRBlock.java@9ec15d6914ca
children 0ea5f12e873a
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2508:fea94949e0a2 2509:16b9a8b5ad39
1 /*
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.c1x.lir;
24
25 import com.sun.c1x.alloc.*;
26 import com.sun.c1x.asm.*;
27 import com.sun.cri.ci.*;
28
29 /**
30 * The {@code LIRBlock} class definition.
31 *
32 * @author Ben L. Titzer
33 */
34 public final class LIRBlock {
35
36 public LIRBlock() {
37 }
38
39 public final Label label = new Label();
40 private LIRList lir;
41
42 /**
43 * Bit map specifying which {@linkplain OperandPool operands} are live upon entry to this block.
44 * These are values used in this block or any of its successors where such value are not defined
45 * in this block.
46 * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}.
47 */
48 public CiBitMap liveIn;
49
50 /**
51 * Bit map specifying which {@linkplain OperandPool operands} are live upon exit from this block.
52 * These are values used in a successor block that are either defined in this block or were live
53 * upon entry to this block.
54 * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}.
55 */
56 public CiBitMap liveOut;
57
58 /**
59 * Bit map specifying which {@linkplain OperandPool operands} are used (before being defined) in this block.
60 * That is, these are the values that are live upon entry to the block.
61 * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}.
62 */
63 public CiBitMap liveGen;
64
65 /**
66 * Bit map specifying which {@linkplain OperandPool operands} are defined/overwritten in this block.
67 * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}.
68 */
69 public CiBitMap liveKill;
70
71 public int firstLirInstructionID;
72 public int lastLirInstructionID;
73 public int exceptionHandlerPCO;
74
75 public LIRList lir() {
76 return lir;
77 }
78
79 public void setLir(LIRList lir) {
80 this.lir = lir;
81 }
82 }