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2009-10-22 Richard Guenther <rguenther@suse.de>
* lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare.
* lto-symtab.c (struct lto_symtab_entry_def): Add node member.
(lto_symtab_merge): Do not merge cgraph nodes here.
(lto_symtab_resolve_can_prevail_p): Simplify.
(lto_symtab_resolve_symbols): Store cgraph node.
(lto_symtab_merge_decls_1): Simplify. Do not drop non-prevailing
functions from the symtab.
(lto_symtab_merge_cgraph_nodes_1): New function.
(lto_symtab_merge_cgraph_nodes): Likewise.
lto/
* lto.c (lto_fixup_jump_functions): Remove.
(lto_fixup_decls): Do not fixup jump functions.
(read_cgraph_and_symbols): Schedule cgraph merging after
summary reading. Schedule type and decl fixup before
summary reading.
From-SVN: r153460
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2009-10-22 Richard Guenther <rguenther@suse.de>
* lto-streamer.h (lto_symtab_clear_resolution): Remove.
* lto-symtab.c (lto_symtab_clear_resolution): Likewise.
lto/
* lto.c (lto_fixup_data_t): Remove free_list member.
(lto_fixup_tree): Do not insert into free_list.
(free_decl): Remove.
(lto_fixup_decls): Remove free-list handling.
From-SVN: r153452
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* ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions.
(pass_ipa_cp): Register them.
(ipcp_init_stage): Analyze all functions for whopr/lto.
(ipcp_propagate_stage): Skip external calls.
(ipcp_iterate_stage): Call ipa_update_after_lto_read if needed.
* ipa-reference.c (write_node_summary_p): Fix thinko about availability.
* cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries;
when in ltrans, skip executing of ipa passes since everything should've
been done.
* ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs.
(inline_generate_summary): Likewise.
(inline_read_summary): New function.
(inline_write_summary): New function.
(pass_ipa_inline): Register new hooks.
* ipa-prop.c: Inlcude lto-streamer.h
(ipa_edge_args_vector): Update declaration.
(ipa_count_arguments, ipa_compute_jump_functions,
ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc.
(ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info,
ipa_read_node_info): New static functions.
(ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update.
(duplicate_array): Use xmalloc.
(duplicate_ggc_array): New.
(ipa_edge_duplication_hook): Use it.
(ipa_update_after_lto_read): New function.
* ipa-prop.h (ipa_prop_write_jump_functions,
ipa_prop_read_jump_functions): Declare.
(ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst,
jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers.
(ipa_edge_args_vector): Move into GGC.
(ipa_check_create_edge_args): Update.
(ipa_update_after_lto_read): New.
* passes.c (ipa_write_summaries_1): When in wpa, do not write summaries.
(ipa_read_summaries): When in ltrans, so not read summaries.
* lto-streamer.c (lto_get_section_name): Add LTO_section_jump_functions.
* lto-streamer.h (LTO_section_jump_functions): New section.
(produce_asm): Declare.
* lto-cgraph.c (output_cgraph): Output edges in reverse order.
* lto-streamer-out.c (produce_asm): Export.
* lto-streamer-in.c: Include tree-pass.h
(input_function): Free dominance info when done.
(lto_read_body): Push ipa_inline in ltrans stage.
* gengtype.c (open_base_files): Add ipa-prop.h into includes.
* Makefile.in (GTFILES): Add ipa-prop.h
* lto.c (lto_fixup_jump_functions): New function.
(lto_fixup_decls): Use it.
From-SVN: r153449
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replacement doesn't work)
2009-10-16 Richard Guenther <rguenther@suse.de>
PR lto/41715
* lto-streamer-in.c (lto_input_tree_ref): Revert last change.
(maybe_fixup_handled_component): New function.
(input_gimple_stmt): Fixup mismatched decl replacements.
lto/
* lto.c (lto_fixup_tree): Revert last change.
* gfortran.dg/lto/20091015-1_0.f: New testcase.
* gfortran.dg/lto/20091015-1_1.f: Likewise.
* gfortran.dg/lto/20091015-1_2.f: Likewise.
From-SVN: r152903
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2009-10-14 Richard Guenther <rguenther@suse.de>
* lto-symtab.c (lto_symtab_compatible): Fold in ...
(lto_symtab_merge): ... here. Rewrite both to take the
prevailing and a to-be-merged entry and to queue diagnostics
properly.
(lto_symtab_resolve_replaceable_p): New predicate for
symbol resolution.
(lto_symtab_resolve_can_prevail_p): Likewise.
(lto_symtab_resolve_symbols): Rewrite. Fold in code that
handles merging commons by choosing the largest decl. Fold
in code that gives ODR errors.
(lto_symtab_merge_decls_2): Simplify a lot. Emit queued
diagnostics here.
(lto_symtab_merge_decls_1): Re-structure. Deal with the
case of no prevailing decl here. Diagnose mismatches
in object types here. Drop all but the prevailing decls.
(lto_symtab_prevailing_decl): Return the single prevailing decl.
* lto-streamer-in.c (lto_input_tree_ref): Deal with
VIEW_CONVERT_EXPRs in decl slots. Unshare the tree in this case.
lto/
* lto.c (lto_fixup_tree): In case the prevailing decl is not
compatible with the one we replace wrap it around a
VIEW_CONVERT_EXPR.
From-SVN: r152768
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2009-10-09 Richard Guenther <rguenther@suse.de>
PR driver/41637
* lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
globals.
(lto_wrapper_exit): New function.
(fatal): Use it.
(fatal_perror): Likewise.
(fork_execute): Use global args_name, do not free it.
(run_gcc): Use global ltrans_output_file, flto_out, do not free them.
* lto-streamer.h: Remove duplicate prototypes.
PR lto/41635
PR lto/41636
lto/
* lto.c (read_cgraph_and_symbols): Do not assert we can open
a file.
* lto-elf.c (init_shdr##BITS): Fix i18n problems.
(init_ehdr##BITS): Likewise.
From-SVN: r152588
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* lto-elf.c (init_shdr##BITS, lto_elf_begin_section_with_type,
init_ehdr##BITS, lto_elf_file_close): Remove trailing "." from
diagnostics.
* lto-lang.c (lto_post_options): Remove trailing "." from
diagnostics.
From-SVN: r152579
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2009-10-08 Richard Guenther <rguenther@suse.de>
* gimple.c (free_gimple_type_tables): New function.
* gimple.h (free_gimple_type_tables): Declare.
lto/
* lto.c (read_cgraph_and_symbols): Free the gimple type merging
hash tables.
From-SVN: r152562
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From-SVN: r152543
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address taken.
* lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones has
no address taken.
* cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
never needed.
(cgraph_clone_node): Clear externally_visible flag for clones.
* cgraph.h (cgraph_only_called_directly_p,
cgraph_can_remove_if_no_direct_calls_p): New predicates.
* tree-pass.h (pass_ipa_whole_program_visibility): Declare.
* ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
(ipcp_initialize_node_lattices, ipcp_estimate_growth,
ipcp_insert_stage): Likwise.
* cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
externally_visible flag.
(verify_cgraph_node): Verify that inline clones look right.
(process_function_and_variable_attributes): Do not set
externally_visible flags.
(ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
been already run.
* lto-cgraph.c (lto_output_node): Assert that inline clones are not
boundaries.
* ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
clear externally_visible when turning into inline clones
(cgraph_mark_inline_edge): Use new predicates.
(cgraph_estimate_growth): Likewise.
(cgraph_decide_inlining): Likewise.
* ipa.c (cgraph_postorder): Likewise.
(cgraph_remove_unreachable_nodes): Likewise; sanity check
that inline clones are not needed.
(cgraph_externally_visible_p): New predicate.
(function_and_variable_visibility): Add whole_program parameter;
always set externally_visible flag; handle COMDAT function
privatization.
(local_function_and_variable_visibility): New function.
(gate_whole_program_function_and_variable_visibility): New function.
(whole_program_function_and_variable_visibility): New function.
(pass_ipa_whole_program_visibility): New function.
* passes.c (init_optimization_passes): Add whole program visibility
pass.
(do_per_function_toporder, function_called_by_processed_nodes_p): Do
not care about needed/reachable flags.
* varpool.c: Include flags.h
(decide_is_variable_needed): When doing LTO assume whole-program mode.
(varpool_finalize_decl): When we are in LTO read-back, all variables
are analyzed.
(varpool_analyze_pending_decls): Skip analyzis of analyzed vars.
* lto/lto.c (read_cgraph_and_symbols): Mark functions neccesary only at
ltrans stage; explain why this is needed and should not.
From-SVN: r152520
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ordering)
2009-10-05 Richard Guenther <rguenther@suse.de>
PR lto/41552
PR lto/41487
* lto-symtab.c (struct lto_symtab_base_def): Remove.
(struct lto_symtab_identifier_def): Likewise.
(struct lto_symtab_decl_def): Likewise.
(struct lto_symtab_entry_def): New.
(lto_symtab_identifier_t): Rename to ...
(lto_symtab_entry_t): ... this.
(lto_symtab_decls): Remove.
(lto_symtab_base_hash): Rename to ...
(lto_symtab_entry_hash): ... this.
(lto_symtab_base_eq): Rename to ...
(lto_symtab_entry_eq): ... this.
(lto_symtab_base_marked_p): Rename to ...
(lto_symtab_entry_marked_p): ... this.
(lto_symtab_identifier_marked_p): Remove.
(lto_symtab_decl_marked_p): Likewise.
(lto_symtab_maybe_init_hash_tables): Rename to ...
(lto_symtab_maybe_init_hash_table): ... this.
(lto_symtab_set_resolution_and_file_data): Remove.
(lto_symtab_register_decl): New function.
(lto_symtab_get_identifier): Remove.
(lto_symtab_get): New function.
(lto_symtab_get_resolution): Adjust.
(lto_symtab_get_identifier_decl): Remove.
(lto_symtab_set_identifier_decl): Likewise.
(lto_symtab_merge_decl): Rename to ...
(lto_symtab_merge): ... this. Rewrite.
(lto_symtab_merge_var): Remove.
(lto_symtab_merge_fn): Likewise.
(lto_symtab_prevailing_decl): Adjust.
(lto_cgraph_replace_node): New function.
(lto_symtab_merge_decls_2): Likewise.
(lto_symtab_merge_decls_1): Likewise.
(lto_symtab_fixup_var_decls): Likewise.
(lto_symtab_resolve_symbols): Likewise.
(lto_symtab_merge_decls): Likewise.
(lto_symtab_prevailing_decl): Adjust.
(lto_symtab_get_symtab_def): Remove.
(lto_symtab_get_file_data): Likewise.
(lto_symtab_clear_resolution): Adjust.
(lto_symtab_clear_resolution): Likewise.
* lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
(input_cgraph_1): Likewise.
* lto-streamer-in.c (get_resolution): Do not provide fake
symbol resolutions here.
(deferred_global_decls): Remove.
(lto_register_deferred_decls_in_symtab): Likewise.
(lto_register_var_decl_in_symtab): Change signature, register
variable via lto_symtab_register_decl.
(lto_register_function_decl_in_symtab): Likewise.
(lto_read_tree): Adjust.
* lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
(lto_symtab_merge_var): Likewise.
(lto_symtab_merge_fn): Likewise.
(lto_symtab_register_decl): Declare.
(lto_symtab_merge_decls): Likewise.
lto/
* lto.c (lto_read_decls): Do not register deferred decls.
(read_cgraph_and_symbols): Delay symbol and cgraph merging
until after reading the IPA summaries.
* g++.dg/lto/20091002-1_0.C: Adjust flags.
* g++.dg/lto/20091004-1_0.C: New testcase.
* g++.dg/lto/20091004-1_1.C: Likewise.
* g++.dg/lto/20091004-2_0.C: Likewise.
* g++.dg/lto/20091004-2_1.C: Likewise.
* g++.dg/lto/20091004-3_0.C: Likewise.
* g++.dg/lto/20091004-3_1.C: Likewise.
From-SVN: r152450
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From-SVN: r152434
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