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| author | Jan Hubicka <jh@suse.cz> | 2012-05-17 18:37:33 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2012-05-17 16:37:33 +0000 |
| commit | 6649df51ec79ed1ffe81dc8b93b7fc8cce85040f (patch) | |
| tree | c091b61bf18ed877244605adef29bd8f35c140b1 /gcc/gimple-fold.c | |
| parent | f9eead1f8953869fcfd8be7b0e58aff50fbe1fd5 (diff) | |
| download | gcc-6649df51ec79ed1ffe81dc8b93b7fc8cce85040f.zip gcc-6649df51ec79ed1ffe81dc8b93b7fc8cce85040f.tar.gz gcc-6649df51ec79ed1ffe81dc8b93b7fc8cce85040f.tar.bz2 | |
lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with constructor over decl without.
* lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with constructor
over decl without.
* cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
* cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
* cgraphunit.c (process_function_and_variable_attributes): Finalize
extrnal decls.
(mark_functions_to_output): Also accept bodies for functions with clones.
(output_in_order): Skip external vars.
* lto-cgraph.c (lto_output_node): External functions are never in other
partition.
(lto_output_varpool_node): Likewise.
* lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
forgotten initializers.
* ipa.c (process_references): Handle external vars.
(symtab_remove_unreachable_nodes): Update to handle external vars.
(varpool_externally_visible_p): External vars are externally visible.
* gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
* varpool.c (varpool_remove_node): Remove constructor.
(decide_is_variable_needed): Handle externals.
(varpool_remove_unreferenced_decls): Likewise.
* lto-partition.c (add_references_to_partition): Handle external vars.
(partition_varpool_node_p): Likewise.
(lto_promote_cross_file_statics): Do not promote externals.
From-SVN: r187631
Diffstat (limited to 'gcc/gimple-fold.c')
| -rw-r--r-- | gcc/gimple-fold.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index b6f0143..dbe1b83 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -62,18 +62,11 @@ can_refer_decl_in_current_unit_p (tree decl) if (!TREE_STATIC (decl) && !DECL_EXTERNAL (decl)) return true; /* External flag is set, so we deal with C++ reference - to static object from other file. */ + to static object from other file. + We also may see weakref that is always safe. */ if (DECL_EXTERNAL (decl) && TREE_STATIC (decl) && TREE_CODE (decl) == VAR_DECL) - { - /* Just be sure it is not big in frontend setting - flags incorrectly. Those variables should never - be finalized. */ - gcc_checking_assert (!(vnode = varpool_get_node (decl)) - || vnode->alias - || !vnode->finalized); - return false; - } + return lookup_attribute ("weakref", DECL_ATTRIBUTES (decl)) != NULL; /* When function is public, we always can introduce new reference. Exception are the COMDAT functions where introducing a direct reference imply need to include function body in the curren tunit. */ |