libFirm
vrp.h
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1 /*
2  * Copyright (C) 1995-2010 University of Karlsruhe. All right reserved.
3  *
4  * This file is part of libFirm.
5  *
6  * This file may be distributed and/or modified under the terms of the
7  * GNU General Public License version 2 as published by the Free Software
8  * Foundation and appearing in the file LICENSE.GPL included in the
9  * packaging of this file.
10  *
11  * Licensees holding valid libFirm Professional Edition licenses may use
12  * this file in accordance with the libFirm Commercial License.
13  * Agreement provided with the Software.
14  *
15  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE.
18  */
19 
25 #ifndef VRP_H
26 #define VRP_H
27 
28 #include "firm_types.h"
29 #include "begin.h"
30 
39 enum range_types {
40  VRP_UNDEFINED,
41  VRP_RANGE,
42  VRP_ANTIRANGE,
44  VRP_VARYING
45 };
46 
48 typedef struct {
49  ir_tarval *bits_set;
52  ir_tarval *bits_not_set;
55  enum range_types range_type;
56  ir_tarval *range_bottom;
57  ir_tarval *range_top;
58 } vrp_attr;
59 
64 FIRM_API void set_vrp_data(ir_graph *irg);
65 
69 FIRM_API void free_vrp_data(ir_graph *irg);
70 
78 FIRM_API ir_relation vrp_cmp(const ir_node *left, const ir_node *right);
79 
87 FIRM_API vrp_attr *vrp_get_info(const ir_node *n);
88 
91 #include "end.h"
92 
93 #endif