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ipa-utils.h
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/* Utilities for ipa analysis.
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Copyright (C) 2004-2013 Free Software Foundation, Inc.
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Contributed by Kenneth Zadeck <zadeck@naturalbridge.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_IPA_UTILS_H
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#define GCC_IPA_UTILS_H
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#include "
tree.h
"
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#include "
cgraph.h
"
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struct
ipa_dfs_info
{
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int
dfn_number
;
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int
low_link
;
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/* This field will have the samy value for any two nodes in the same strongly
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connected component. */
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int
scc_no
;
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bool
new_node
;
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bool
on_stack
;
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struct
cgraph_node
*
next_cycle
;
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PTR
aux
;
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};
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/* In ipa-utils.c */
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void
ipa_print_order
(FILE*,
const
char
*,
struct
cgraph_node
**,
int
);
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int
ipa_reduced_postorder
(
struct
cgraph_node
**,
bool
,
bool
,
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bool
(*
ignore_edge
) (
struct
cgraph_edge
*));
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void
ipa_free_postorder_info
(
void
);
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vec<cgraph_node_ptr>
ipa_get_nodes_in_cycle
(
struct
cgraph_node
*);
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int
ipa_reverse_postorder
(
struct
cgraph_node
**);
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tree
get_base_var
(
tree
);
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/* In ipa-devirt.c */
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struct
odr_type_d
;
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typedef
odr_type_d
*
odr_type
;
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void
build_type_inheritance_graph
(
void
);
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void
update_type_inheritance_graph
(
void
);
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vec <cgraph_node *>
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possible_polymorphic_call_targets
(
tree
,
HOST_WIDE_INT
,
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bool
*
final
= NULL,
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void
**cache_token = NULL);
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odr_type
get_odr_type
(
tree
,
bool
insert
=
false
);
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void
dump_possible_polymorphic_call_targets
(FILE *,
tree
,
HOST_WIDE_INT
);
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bool
possible_polymorphic_call_target_p
(
tree
,
HOST_WIDE_INT
,
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struct
cgraph_node
*n);
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tree
method_class_type
(
tree
);
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/* Return vector containing possible targets of polymorphic call E.
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If FINALP is non-NULL, store true if the list is complette.
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CACHE_TOKEN (if non-NULL) will get stored to an unique ID of entry
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in the target cache. If user needs to visit every target list
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just once, it can memoize them.
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Returned vector is placed into cache. It is NOT caller's responsibility
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to free it. The vector can be freed on cgraph_remove_node call if
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the particular node is a virtual function present in the cache. */
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inline
vec <cgraph_node *>
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possible_polymorphic_call_targets
(
struct
cgraph_edge
*e,
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bool
*
final
= NULL,
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void
**cache_token = NULL)
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{
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gcc_checking_assert (e->
indirect_info
->
polymorphic
);
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return
possible_polymorphic_call_targets
(e->
indirect_info
->
otr_type
,
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e->
indirect_info
->
otr_token
,
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final
, cache_token);
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}
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/* Dump possible targets of a polymorphic call E into F. */
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inline
void
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dump_possible_polymorphic_call_targets
(FILE *f,
struct
cgraph_edge
*e)
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{
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gcc_checking_assert (e->
indirect_info
->
polymorphic
);
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dump_possible_polymorphic_call_targets
(f, e->
indirect_info
->
otr_type
,
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e->
indirect_info
->
otr_token
);
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}
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/* Return true if N can be possibly target of a polymorphic call of
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E. */
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inline
bool
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possible_polymorphic_call_target_p
(
struct
cgraph_edge
*e,
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struct
cgraph_node
*n)
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{
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return
possible_polymorphic_call_target_p
(e->
indirect_info
->
otr_type
,
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e->
indirect_info
->
otr_token
, n);
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}
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#endif
/* GCC_IPA_UTILS_H */
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gcc
ipa-utils.h
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