2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
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.
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.
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
22 * @brief Backend irg - a ir_graph with additional analysis information.
23 * @author Matthias Braun
27 #ifndef FIRM_BE_BEIRG_H
28 #define FIRM_BE_BEIRG_H
35 be_lv_t *be_assure_liveness(ir_graph *irg);
37 void be_assure_dom_front(ir_graph *irg);
38 void be_invalidate_dom_front(ir_graph *irg);
41 * frees all memory allocated by birg structures (liveness, dom_front, ...).
42 * The memory of the birg structure itself is not freed.
44 void be_free_birg(ir_graph *irg);
47 * An ir_graph with additional analysis data about this irg. Also includes some
50 typedef struct be_irg_t {
52 be_main_env_t *main_env;
54 arch_code_generator_t *cg;
55 ir_exec_freq *exec_freq;
56 be_dom_front_info_t *dom_front;
58 struct obstack obst; /**< birg obstack (mainly used to keep
59 register constraints which we can't keep
60 in the irg obst, because it gets replace
61 during code selection) */
64 static inline be_irg_t *be_birg_from_irg(const ir_graph *irg)
66 return (be_irg_t*) irg->be_data;
69 static inline be_lv_t *be_get_irg_liveness(const ir_graph *irg)
71 return be_birg_from_irg(irg)->lv;
74 static inline ir_exec_freq *be_get_irg_exec_freq(const ir_graph *irg)
76 return be_birg_from_irg(irg)->exec_freq;
79 static inline be_dom_front_info_t *be_get_irg_dom_front(const ir_graph *irg)
81 return be_birg_from_irg(irg)->dom_front;
84 static inline be_abi_irg_t *be_get_irg_abi(const ir_graph *irg)
86 return be_birg_from_irg(irg)->abi;
89 static inline be_options_t *be_get_irg_options(const ir_graph *irg)
91 return be_birg_from_irg(irg)->main_env->options;
94 static inline arch_code_generator_t *be_get_irg_cg(const ir_graph *irg)
96 return be_birg_from_irg(irg)->cg;
100 static inline ir_graph *be_get_birg_irg(const be_irg_t *birg)
105 static inline const arch_env_t *be_get_irg_arch_env(const ir_graph *irg)
107 return be_birg_from_irg(irg)->main_env->arch_env;
110 static inline struct obstack *be_get_be_obst(const ir_graph *irg)
112 be_irg_t *birg = be_birg_from_irg(irg);
116 #endif /* FIRM_BE_BEIRG_H */