Mercurial > hg > graal-jvmci-8
view graal/GraalCompiler/src/com/sun/c1x/ir/Local.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> |
---|---|
date | Wed, 18 May 2011 18:09:20 +0200 |
parents | 01c5c0443158 |
children | 056e392d63d4 |
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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.ir; import com.oracle.graal.graph.*; import com.sun.c1x.debug.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * The {@code Local} instruction is a placeholder for an incoming argument * to a function call. */ public final class Local extends Value { private static final int INPUT_COUNT = 0; private static final int SUCCESSOR_COUNT = 0; private final int javaIndex; private RiType declaredType; public Local(CiKind kind, int javaIndex, Graph graph) { super(kind, INPUT_COUNT, SUCCESSOR_COUNT, graph); this.javaIndex = javaIndex; } @Override public BlockBegin block() { return null; } /** * Gets the index of this local. * @return the index */ public int javaIndex() { return javaIndex; } /** * Sets the declared type of this local, e.g. derived from the signature of the method. * @param declaredType the declared type of the local variable */ public void setDeclaredType(RiType declaredType) { this.declaredType = declaredType; } /** * Computes the declared type of the result of this instruction, if possible. * @return the declared type of the result of this instruction, if it is known; {@code null} otherwise */ @Override public RiType declaredType() { return declaredType; } @Override public void accept(ValueVisitor v) { v.visitLocal(this); } @Override public void print(LogStream out) { out.print("local[index ").print(javaIndex()).print(']'); } }