1/*
2 * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
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23 */
24
25#ifndef SHARE_C1_C1_VALUESET_HPP
26#define SHARE_C1_C1_VALUESET_HPP
27
28#include "c1/c1_Instruction.hpp"
29#include "memory/allocation.hpp"
30#include "utilities/bitMap.hpp"
31
32// A ValueSet is a simple abstraction on top of a BitMap representing
33// a set of Instructions. Currently it assumes that the number of
34// instructions is fixed during its lifetime; should make it
35// automatically resizable.
36
37class ValueSet: public CompilationResourceObj {
38 private:
39 ResourceBitMap _map;
40
41 public:
42 ValueSet();
43
44 ValueSet* copy();
45 bool contains(Value x);
46 void put (Value x);
47 void remove (Value x);
48 bool set_intersect(ValueSet* other);
49 void set_union(ValueSet* other);
50 void clear ();
51 void set_from(ValueSet* other);
52 bool equals (ValueSet* other);
53};
54
55#endif // SHARE_C1_C1_VALUESET_HPP
56