Mercurial > hg > graal-jvmci-8
view graal/GraalCompiler/src/com/sun/c1x/ir/Local.java @ 2824:244921d7cf50
Merge
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Mon, 30 May 2011 16:41:05 +0200 |
parents | c3f64b66fc78 |
children | 015be60afcf3 |
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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 = 1; private static final int SUCCESSOR_COUNT = 0; private final int index; private RiType declaredType; public Local(CiKind kind, int javaIndex, Graph graph) { super(kind, INPUT_COUNT, SUCCESSOR_COUNT, graph); this.index = javaIndex; this.inputs().set(0, graph.start()); } /** * Gets the index of this local. * @return the index */ public int index() { return index; } /** * 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(index()).print(']'); } @Override protected int inputCount() { return super.inputCount() + INPUT_COUNT; } @Override protected int successorCount() { return super.successorCount() + SUCCESSOR_COUNT; } }