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r231373 - in /trunk/gcc: ChangeLog cgraph.c cgr...
- From: hubicka at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Mon, 07 Dec 2015 17:36:55 -0000
- Subject: r231373 - in /trunk/gcc: ChangeLog cgraph.c cgr...
Author: hubicka
Date: Mon Dec 7 17:36:54 2015
New Revision: 231373
URL: https://gcc.gnu.org/viewcvs?rev=231373&root=gcc&view=rev
Log:
PR ipa/61886
* symtab.c (ultimate_transparent_alias_target): New inline function.
(symbol_table::assembler_names_equal_p): New method; break out from ...
(symbol_table::decl_assembler_name_equal): ... here.
(symbol_table::change_decl_assembler_name): Also update names and
translation links of transparent aliases.
(symtab_node::dump_base): Dump transparent_alias.
(symtab_node::verify_base): Implement basic transparent alias
verification.
(symtab_node::make_decl_local): Support localization of weakrefs;
recurse to transparent aliases; set TREE_STATIC.
(symtab_node::ultimate_alias_target_1): Handle visibility of
transparent aliases.
(symtab_node::resolve_alias): New parmaeter transparent; handle
transparent aliases; recurse to aliases of aliases to fix comdat
groups.
(symtab_node::get_partitioning_class): Handle transparent aliases.
* ipa-visibility.c (cgraph_externally_visible_p,
varpool_node::externally_visible_p): Visibility of transparent alias
depends on its target.
(function_and_variable_visibility): Do not tweak visibility of
transparent laiases.
(function_and_variable_visibility): Likewise.
* ipa.c (symbol_table::remove_unreachable_nodes): Clear
transparent_alias flag.
* alias.c (cgraph_node::create_alias, cgraph_node::get_availability):
Support transparent aliases.
* cgraph.h (symtab_node): Update prototype of resolve_alias;
add transparent_alias flag.
(symbol_table: Add assembler_names_equal_p.
(symtab_node::real_symbol_p): Skip transparent aliases.
* cgraphunit.c (cgraph_node::reset): Reset transparent_alias flag.
(handle_alias_pairs): Set transparent_alias for weakref.
(cgraph_node::assemble_thunks_and_aliases): Do not asemble transparent
aliases.
* lto-cgraph.c (lto_output_node): When outputting same_comdat_group
skip symbols not put into boundary; stream transparent_alias.
(lto_output_varpool_node): Likewise.
(input_overwrite_node, input_varpool_node): Stream transparent alias.
* varpool.c (ctor_for_folding, varpool_node::get_availability,
varpool_node::assemble_aliases,
symbol_table::remove_unreferenced_decls): Handle transparent aliase.
(varpool_node::create_alias): Set transparent_alias.
* lto-partition.c (add_symbol_to_partition_1, contained_in_symbol,
rename_statics, rename_statics): Handle transparent aliases.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cgraph.c
trunk/gcc/cgraph.h
trunk/gcc/cgraphunit.c
trunk/gcc/ipa-visibility.c
trunk/gcc/ipa.c
trunk/gcc/lto-cgraph.c
trunk/gcc/lto/ChangeLog
trunk/gcc/lto/lto-partition.c
trunk/gcc/symtab.c
trunk/gcc/tree.c
trunk/gcc/varpool.c