Mercurial > hg > truffle
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/Variable.java @ 21556:48c1ebd24120
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 27 May 2015 00:36:16 +0200 |
parents | 082417ac43e4 |
children |
line wrap: on
line source
/* * Copyright (c) 2010, 2014, 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.oracle.graal.lir; import com.oracle.jvmci.code.*; import com.oracle.jvmci.meta.*; /** * Represents a value that is yet to be bound to a machine location (such as a {@link RegisterValue} * or {@link StackSlot}) by a register allocator. */ public final class Variable extends AllocatableValue { /** * The identifier of the variable. This is a non-zero index in a contiguous 0-based name space. */ public final int index; private String name; /** * Creates a new variable. * * @param kind * @param index */ public Variable(LIRKind kind, int index) { super(kind); assert index >= 0; this.index = index; } public void setName(String name) { this.name = name; } public String getName() { return name; } @Override public String toString() { if (name != null) { return name; } else { return "v" + index + getKindSuffix(); } } @Override public int hashCode() { return 71 * super.hashCode() + index; } @Override public boolean equals(Object obj) { if (obj instanceof Variable) { Variable other = (Variable) obj; return super.equals(other) && index == other.index; } return false; } }