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Data Structures
struct	ddg_node
struct	ddg_edge
struct	ddg
struct	ddg_scc
struct	ddg_all_sccs

Macros
#define	NODE_SUCCESSORS(x)
#define	NODE_PREDECESSORS(x)

Typedefs
typedef struct ddg_node *	ddg_node_ptr
typedef struct ddg_edge *	ddg_edge_ptr
typedef struct ddg *	ddg_ptr
typedef struct ddg_scc *	ddg_scc_ptr
typedef struct ddg_all_sccs *	ddg_all_sccs_ptr

Enumerations
enum	dep_type { TRUE_DEP , OUTPUT_DEP , ANTI_DEP }
enum	dep_data_type { REG_OR_MEM_DEP , REG_DEP , MEM_DEP , REG_AND_MEM_DEP }

Functions
ddg_ptr	create_ddg (basic_block, int closing_branch_deps)
void	free_ddg (ddg_ptr)
void	print_ddg (FILE *, ddg_ptr)
void	vcg_print_ddg (FILE *, ddg_ptr)
void	print_ddg_edge (FILE *, ddg_edge_ptr)
void	print_sccs (FILE *, ddg_all_sccs_ptr, ddg_ptr)
ddg_node_ptr	get_node_of_insn (ddg_ptr, rtx_insn *)
void	find_successors (sbitmap result, ddg_ptr, sbitmap)
void	find_predecessors (sbitmap result, ddg_ptr, sbitmap)
ddg_all_sccs_ptr	create_ddg_all_sccs (ddg_ptr)
void	free_ddg_all_sccs (ddg_all_sccs_ptr)
int	find_nodes_on_paths (sbitmap result, ddg_ptr, sbitmap from, sbitmap to)
bool	autoinc_var_is_used_p (rtx_insn , rtx_insn )

Macro Definition Documentation

◆ NODE_PREDECESSORS

#define NODE_PREDECESSORS ( x )

Value:

((x)->predecessors)

◆ NODE_SUCCESSORS

#define NODE_SUCCESSORS ( x )

Value:

((x)->successors)

The following two macros enables direct access to the successors and
predecessors bitmaps held in each ddg_node.  Do not make changes to
these bitmaps, unless you want to change the DDG.

Typedef Documentation

◆ ddg_all_sccs_ptr

typedef struct ddg_all_sccs* ddg_all_sccs_ptr

◆ ddg_edge_ptr

typedef struct ddg_edge* ddg_edge_ptr

◆ ddg_node_ptr

typedef struct ddg_node* ddg_node_ptr

DDG - Data Dependence Graph - interface.
   Copyright (C) 2004-2026 Free Software Foundation, Inc.
   Contributed by Ayal Zaks and Mustafa Hagog <zaks,mustafa@il.ibm.com>

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.

GCC 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
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.