libfirm/callgraph.h

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/*
 * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
 *
 * This file is part of libFirm.
 *
 * This file may be distributed and/or modified under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation and appearing in the file LICENSE.GPL included in the
 * packaging of this file.
 *
 * Licensees holding valid libFirm Professional Edition licenses may use
 * this file in accordance with the libFirm Commercial License.
 * Agreement provided with the Software.
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE.
 */

#ifndef FIRM_ANA_CALLGRAPH_H
#define FIRM_ANA_CALLGRAPH_H

#include "firm_types.h"
#include "begin.h"

typedef enum {
    irp_callgraph_none,                   
    irp_callgraph_consistent,             
    irp_callgraph_inconsistent,           
    irp_callgraph_and_calltree_consistent 
} irp_callgraph_state;

FIRM_API irp_callgraph_state get_irp_callgraph_state(void);

FIRM_API void set_irp_callgraph_state(irp_callgraph_state s);

FIRM_API size_t get_irg_n_callers(const ir_graph *irg);

ir_graph *get_irg_caller(const ir_graph *irg, size_t pos);

FIRM_API int is_irg_caller_backedge(const ir_graph *irg, size_t pos);

FIRM_API int has_irg_caller_backedge(const ir_graph *irg);

FIRM_API size_t get_irg_caller_loop_depth(const ir_graph *irg, size_t pos);

FIRM_API size_t get_irg_n_callees(const ir_graph *irg);

FIRM_API ir_graph *get_irg_callee(const ir_graph *irg, size_t pos);

FIRM_API int is_irg_callee_backedge(const ir_graph *irg, size_t pos);

FIRM_API int has_irg_callee_backedge(const ir_graph *irg);

FIRM_API size_t get_irg_callee_loop_depth(const ir_graph *irg, size_t pos);

FIRM_API size_t get_irg_loop_depth(const ir_graph *irg);

FIRM_API size_t get_irg_recursion_depth(const ir_graph *irg);

FIRM_API double get_irg_method_execution_frequency(const ir_graph *irg);

FIRM_API void compute_callgraph(void);

FIRM_API void free_callgraph(void);


typedef void callgraph_walk_func(ir_graph *g, void *env);

FIRM_API void callgraph_walk(callgraph_walk_func *pre,
                             callgraph_walk_func *post, void *env);

FIRM_API void find_callgraph_recursions(void);

FIRM_API void analyse_loop_nesting_depth(void);

typedef enum {
    loop_nesting_depth_none,         
    loop_nesting_depth_consistent,   
    loop_nesting_depth_inconsistent  
} loop_nesting_depth_state;

FIRM_API loop_nesting_depth_state get_irp_loop_nesting_depth_state(void);

FIRM_API void set_irp_loop_nesting_depth_state(loop_nesting_depth_state s);

FIRM_API void set_irp_loop_nesting_depth_state_inconsistent(void);

#include "end.h"

#endif