Mercurial > hg > truffle
view graal/GraalCompiler/src/com/sun/c1x/lir/LIRBlock.java @ 2703:42450f536d24
More cleanup towards separation of graphbuilding<>graph<>lirgeneration
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 18 May 2011 17:04:47 +0200 |
parents | d06cff53b77e |
children | 4272b7af2d17 |
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/* * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.c1x.lir; import com.oracle.max.asm.*; import com.sun.c1x.alloc.*; import com.sun.cri.ci.*; /** * The {@code LIRBlock} class definition. */ public final class LIRBlock { public LIRBlock() { loopIndex = -1; } public final Label label = new Label(); private LIRList lir; /** * Bit map specifying which {@linkplain OperandPool operands} are live upon entry to this block. * These are values used in this block or any of its successors where such value are not defined * in this block. * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}. */ public CiBitMap liveIn; /** * Bit map specifying which {@linkplain OperandPool operands} are live upon exit from this block. * These are values used in a successor block that are either defined in this block or were live * upon entry to this block. * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}. */ public CiBitMap liveOut; /** * Bit map specifying which {@linkplain OperandPool operands} are used (before being defined) in this block. * That is, these are the values that are live upon entry to the block. * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}. */ public CiBitMap liveGen; /** * Bit map specifying which {@linkplain OperandPool operands} are defined/overwritten in this block. * The bit index of an operand is its {@linkplain OperandPool#operandNumber(com.sun.cri.ci.CiValue) operand number}. */ public CiBitMap liveKill; private int firstLirInstructionID; private int lastLirInstructionID; public int exceptionHandlerPCO; public int firstLirInstructionId() { return firstLirInstructionID; } public void setFirstLirInstructionId(int firstLirInstructionId) { this.firstLirInstructionID = firstLirInstructionId; } public int lastLirInstructionId() { return lastLirInstructionID; } public void setLastLirInstructionId(int lastLirInstructionId) { this.lastLirInstructionID = lastLirInstructionId; } public int loopDepth; public int loopIndex; public LIRList lir() { return lir; } public void setLir(LIRList lir) { this.lir = lir; } }