90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
|
/* Header file for Nested function decomposition for GIMPLE.
|
||
|
|
Copyright (C) 2013-2023 Free Software Foundation, Inc.
|
||
|
|
|
||
|
|
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/>. */
|
||
|
|
|
||
|
|
#ifndef GCC_TREE_NESTED_H
|
||
|
|
#define GCC_TREE_NESTED_H
|
||
|
|
|
||
|
|
extern tree build_addr (tree);
|
||
|
|
extern void insert_field_into_struct (tree, tree);
|
||
|
|
extern void lower_nested_functions (tree);
|
||
|
|
|
||
|
|
class nested_function_info
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
/* Constructor. */
|
||
|
|
nested_function_info ()
|
||
|
|
: origin (NULL),
|
||
|
|
nested (NULL),
|
||
|
|
next_nested (NULL)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
/* Copy constructor. We can not simply copy the structure,
|
||
|
|
because the linked lists would go wrong. However we should never
|
||
|
|
need that. */
|
||
|
|
nested_function_info (const nested_function_info &)
|
||
|
|
{
|
||
|
|
gcc_unreachable ();
|
||
|
|
}
|
||
|
|
~nested_function_info ();
|
||
|
|
|
||
|
|
/* Return nested_function_info, if available. */
|
||
|
|
static nested_function_info *get (cgraph_node *node);
|
||
|
|
|
||
|
|
/* Return nested_function_info possibly creating new one. */
|
||
|
|
static nested_function_info *get_create (cgraph_node *node);
|
||
|
|
|
||
|
|
/* Release all nested_function_infos. */
|
||
|
|
static void release (void);
|
||
|
|
|
||
|
|
/* For nested functions points to function the node is nested in. */
|
||
|
|
cgraph_node *origin;
|
||
|
|
/* Points to first nested function, if any. */
|
||
|
|
cgraph_node *nested;
|
||
|
|
/* Pointer to the next function with same origin, if any. */
|
||
|
|
cgraph_node *next_nested;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern void maybe_record_nested_function (cgraph_node *node);
|
||
|
|
extern void unnest_function (cgraph_node *node);
|
||
|
|
|
||
|
|
/* If there are functions nested in NODE, return first one. */
|
||
|
|
inline cgraph_node *
|
||
|
|
first_nested_function (cgraph_node *node)
|
||
|
|
{
|
||
|
|
nested_function_info *info = nested_function_info::get (node);
|
||
|
|
return info ? info->nested : NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Return next nested function (used to iterate from first_nested_function). */
|
||
|
|
inline cgraph_node *
|
||
|
|
next_nested_function (cgraph_node *node)
|
||
|
|
{
|
||
|
|
return nested_function_info::get (node)->next_nested;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Return origin of nested function (and NULL otherwise). */
|
||
|
|
inline cgraph_node *
|
||
|
|
nested_function_origin (cgraph_node *node)
|
||
|
|
{
|
||
|
|
nested_function_info *info = nested_function_info::get (node);
|
||
|
|
return info ? info->origin : NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* GCC_TREE_NESTED_H */
|