hotspot/src/share/vm/ci/ciNullObject.cpp
author thartmann
Tue, 12 Jul 2016 08:57:00 +0200
changeset 40056 6bdd3da90181
parent 7397 5b173b4ca846
permissions -rw-r--r--
8160898: assert while replaying ciReplay file created using TieredStopAtLevel=1 Summary: Use highest available tier if no compilation level is specified in replay file. Reviewed-by: zmajo

/*
 * Copyright (c) 1999, 2010, 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.
 *
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#include "precompiled.hpp"
#include "ci/ciNullObject.hpp"

// ciNullObject
//
// This class represents a null reference.  It can be used
// as a class loader or as the null constant.

// ------------------------------------------------------------------
// ciNullObject::print_impl
//
// Implementation of the print method.
void ciNullObject::print_impl(outputStream* st) {
  ciObject::print_impl(st);
  st->print(" unique");
}

// ------------------------------------------------------------------
// ciNullObject::make
//
// Get the distinguished instance of this class.
ciNullObject* ciNullObject::make() {
  return CURRENT_ENV->_null_object_instance->as_null_object();
}