diff options
Diffstat (limited to 'gcc/ipa-utils.h')
| -rw-r--r-- | gcc/ipa-utils.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/ipa-utils.h b/gcc/ipa-utils.h index 494397b..029f39a 100644 --- a/gcc/ipa-utils.h +++ b/gcc/ipa-utils.h @@ -74,9 +74,14 @@ tree method_class_type (const_tree); bool decl_maybe_in_construction_p (tree, tree, gimple, tree); tree vtable_pointer_value_to_binfo (const_tree); bool vtable_pointer_value_to_vtable (const_tree, tree *, unsigned HOST_WIDE_INT *); +tree subbinfo_with_vtable_at_offset (tree, unsigned HOST_WIDE_INT, tree); void compare_virtual_tables (varpool_node *, varpool_node *); +bool type_all_derivations_known_p (const_tree); +bool type_known_to_have_no_deriavations_p (tree); bool contains_polymorphic_type_p (const_tree); void register_odr_type (tree); +bool types_must_be_same_for_odr (tree, tree); +bool types_odr_comparable (tree, tree); /* Return vector containing possible targets of polymorphic call E. If COMPLETEP is non-NULL, store true if the list is complette. @@ -162,6 +167,21 @@ odr_type_p (const_tree t) return (TYPE_NAME (t) && (DECL_ASSEMBLER_NAME_SET_P (TYPE_NAME (t)))); } + +/* Return true if BINFO corresponds to a type with virtual methods. + + Every type has several BINFOs. One is the BINFO associated by the type + while other represents bases of derived types. The BINFOs representing + bases do not have BINFO_VTABLE pointer set when this is the single + inheritance (because vtables are shared). Look up the BINFO of type + and check presence of its vtable. */ + +inline bool +polymorphic_type_binfo_p (const_tree binfo) +{ + /* See if BINFO's type has an virtual table associtated with it. */ + return BINFO_VTABLE (TYPE_BINFO (BINFO_TYPE (binfo))); +} #endif /* GCC_IPA_UTILS_H */ |