From 468088aca3d51046f289052028ca22f1552a1df9 Mon Sep 17 00:00:00 2001 From: jason Date: Mon, 23 Dec 2013 17:49:47 +0000 Subject: PR c++/41090 Add -fdeclone-ctor-dtor. gcc/cp/ * optimize.c (can_alias_cdtor, populate_clone_array): Split out from maybe_clone_body. (maybe_thunk_body): New function. (maybe_clone_body): Call it. * mangle.c (write_mangled_name): Remove code to suppress writing of mangled name for cloned constructor or destructor. (write_special_name_constructor): Handle decloned constructor. (write_special_name_destructor): Handle decloned destructor. * method.c (trivial_fn_p): Handle decloning. * semantics.c (expand_or_defer_fn_1): Clone after setting linkage. gcc/c-family/ * c.opt: Add -fdeclone-ctor-dtor. * c-opts.c (c_common_post_options): Default to on iff -Os. gcc/ * cgraph.h (struct cgraph_node): Add calls_comdat_local. (symtab_comdat_local_p, symtab_in_same_comdat_p): New. * cif-code.def: Add USES_COMDAT_LOCAL. * symtab.c (verify_symtab_base): Make sure we don't refer to a comdat-local symbol from outside its comdat. * cgraph.c (verify_cgraph_node): Likewise. * cgraphunit.c (mark_functions_to_output): Don't mark comdat-locals. * ipa.c (symtab_remove_unreachable_nodes): Likewise. (function_and_variable_visibility): Handle comdat-local fns. * ipa-cp.c (determine_versionability): Don't clone comdat-locals. * ipa-inline-analysis.c (compute_inline_parameters): Update calls_comdat_local. * ipa-inline-transform.c (inline_call): Likewise. (save_inline_function_body): Don't clear DECL_COMDAT_GROUP. * ipa-inline.c (can_inline_edge_p): Check calls_comdat_local. * lto-cgraph.c (input_overwrite_node): Read calls_comdat_local. (lto_output_node): Write it. * symtab.c (symtab_dissolve_same_comdat_group_list): Clear DECL_COMDAT_GROUP for comdat-locals. include/ * demangle.h (enum gnu_v3_ctor_kinds): Added literal gnu_v3_unified_ctor. (enum gnu_v3_ctor_kinds): Added literal gnu_v3_unified_dtor. libiberty/ * cp-demangle.c (cplus_demangle_fill_ctor,cplus_demangle_fill_dtor): Handle unified ctor/dtor. (d_ctor_dtor_name): Handle unified ctor/dtor. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206182 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ipa-inline-transform.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'gcc/ipa-inline-transform.c') diff --git a/gcc/ipa-inline-transform.c b/gcc/ipa-inline-transform.c index 7fb4ab97fa4..71d7800cea1 100644 --- a/gcc/ipa-inline-transform.c +++ b/gcc/ipa-inline-transform.c @@ -272,6 +272,18 @@ inline_call (struct cgraph_edge *e, bool update_original, inline_update_overall_summary (to); new_size = inline_summary (to)->size; + if (callee->calls_comdat_local) + to->calls_comdat_local = true; + else if (to->calls_comdat_local && symtab_comdat_local_p (callee)) + { + struct cgraph_edge *se = to->callees; + for (; se; se = se->next_callee) + if (se->inline_failed && symtab_comdat_local_p (se->callee)) + break; + if (se == NULL) + to->calls_comdat_local = false; + } + #ifdef ENABLE_CHECKING /* Verify that estimated growth match real growth. Allow off-by-one error due to INLINE_SIZE_SCALE roudoff errors. */ @@ -369,7 +381,6 @@ save_inline_function_body (struct cgraph_node *node) /* The function will be short lived and removed after we inline all the clones, but make it internal so we won't confuse ourself. */ DECL_EXTERNAL (first_clone->decl) = 0; - DECL_COMDAT_GROUP (first_clone->decl) = NULL_TREE; TREE_PUBLIC (first_clone->decl) = 0; DECL_COMDAT (first_clone->decl) = 0; first_clone->ipa_transforms_to_apply.release (); -- cgit v1.2.1