Mercurial > hg > graal-compiler
diff graal/GraalCompiler/src/com/sun/c1x/lir/LIRBlock.java @ 2509:16b9a8b5ad39
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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/GraalCompiler/src/com/sun/c1x/lir/LIRBlock.java Wed Apr 27 11:50:44 2011 +0200 @@ -0,0 +1,82 @@ +/* + * 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.sun.c1x.alloc.*; +import com.sun.c1x.asm.*; +import com.sun.cri.ci.*; + +/** + * The {@code LIRBlock} class definition. + * + * @author Ben L. Titzer + */ +public final class LIRBlock { + + public LIRBlock() { + } + + 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; + + public int firstLirInstructionID; + public int lastLirInstructionID; + public int exceptionHandlerPCO; + + public LIRList lir() { + return lir; + } + + public void setLir(LIRList lir) { + this.lir = lir; + } +}