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| author | Jan Hubicka <hubicka@ucw.cz> | 2014-09-12 01:16:42 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2014-09-11 23:16:42 +0000 |
| commit | 1ee85ee19b06863781374b7c9f97e4f6e931118b (patch) | |
| tree | 5ca60267bac44557141301c497a4c5364a3466f9 /gcc/ipa-utils.h | |
| parent | bc9132dee6c4a8a4348a15ad62772d632351388b (diff) | |
| download | gcc-1ee85ee19b06863781374b7c9f97e4f6e931118b.zip gcc-1ee85ee19b06863781374b7c9f97e4f6e931118b.tar.gz gcc-1ee85ee19b06863781374b7c9f97e4f6e931118b.tar.bz2 | |
common.opt (flto-odr-type-merging): New flag.
* common.opt (flto-odr-type-merging): New flag.
* ipa-deivrt.c (hash_type_name): Use ODR names for hasing if availale.
(types_same_for_odr): Likewise.
(odr_subtypes_equivalent_p): Likewise.
(add_type_duplicate): Do not walk type variants.
(register_odr_type): New function.
* ipa-utils.h (register_odr_type): Declare.
(odr_type_p): New function.
* langhooks.c (lhd_set_decl_assembler_name): Do not compute
TYPE_DECLs
* doc/invoke.texi (-flto-odr-type-merging): Document.
* tree.c (need_assembler_name_p): Compute ODR names when asked
for it.
* tree.h (DECL_ASSEMBLER_NAME): Update comment.
* lto.c (lto_read_decls): Register ODR types.
From-SVN: r215196
Diffstat (limited to 'gcc/ipa-utils.h')
| -rw-r--r-- | gcc/ipa-utils.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/ipa-utils.h b/gcc/ipa-utils.h index d4980eb..9c81d5c 100644 --- a/gcc/ipa-utils.h +++ b/gcc/ipa-utils.h @@ -152,6 +152,7 @@ tree vtable_pointer_value_to_binfo (const_tree); bool vtable_pointer_value_to_vtable (const_tree, tree *, unsigned HOST_WIDE_INT *); void compare_virtual_tables (varpool_node *, varpool_node *); bool contains_polymorphic_type_p (const_tree); +void register_odr_type (tree); /* Return vector containing possible targets of polymorphic call E. If FINALP is non-NULL, store true if the list is complette. @@ -239,6 +240,23 @@ possible_polymorphic_call_target_p (tree call, context, n); } + +/* Return true of T is type with One Definition Rule info attached. + It means that either it is anonymous type or it has assembler name + set. */ + +static inline bool +odr_type_p (const_tree t) +{ + if (type_in_anonymous_namespace_p (t)) + return true; + /* We do not have this information when not in LTO, but we do not need + to care, since it is used only for type merging. */ + gcc_assert (in_lto_p || flag_lto); + + return (TYPE_NAME (t) + && (DECL_ASSEMBLER_NAME_SET_P (TYPE_NAME (t)))); +} #endif /* GCC_IPA_UTILS_H */ |