This patch introduces a gcc::pass_manager class and moves various non-GTY
globals relating to pass management into it. The gcc::context gains its
first field: a pointer to the gcc::pass_manager instance.
gcc/
* Makefile.in (PASS_MANAGER_H): New.
(lto-cgraph.o): Depend on CONTEXT_H and PASS_MANAGER_H.
(passes.o): Likewise.
(statistics.o): Likewise.
(cgraphunit.o): Likewise.
(context.o): Depend on PASS_MANAGER_H.
* pass_manager.h: New.
* cgraphunit.c (cgraph_add_new_function): Update for moves
of globals to fields of pass_manager.
(analyze_function): Likewise.
(expand_function): Likewise.
(ipa_passes): Likewise.
(compile): Likewise.
* context.c (context::context): New.
* context.h (context::context): New.
(context::get_passes): New.
(context::passes_): New.
* lto-cgraph.c (input_node): Update for moves of globals to
fields of pass_manager.
* passes.c (all_passes): Remove, in favor of a field of the
same name within the new class pass_manager.
(all_small_ipa_passes): Likewise.
(all_lowering_passes): Likewise.
(all_regular_ipa_passes): Likewise.
(all_late_ipa_passes): Likewise.
(all_lto_gen_passes): Likewise.
(passes_by_id): Likewise.
(passes_by_id_size): Likewise.
(gcc_pass_lists): Remove, in favor of "pass_lists" field within
the new class pass_manager.
(set_pass_for_id): Convert to...
(pass_manager::set_pass_for_id): ...method.
(get_pass_for_id): Convert to...
(pass_manager::get_pass_for_id): ...method.
(register_one_dump_file): Move body of implementation into...
(pass_manager::register_one_dump_file): ...here.
(register_dump_files_1): Convert to...
(pass_manager::register_dump_files_1): ...method.
(register_dump_files): Convert to...
(pass_manager::register_dump_files): ...method.
(create_pass_tab): Update for moves of globals to fields of
pass_manager.
(dump_passes): Move body of implementation into...
(pass_manager::dump_passes): ...here.
(register_pass): Move body of implementation into...
(pass_manager::register_pass): ...here.
(init_optimization_passes): Convert into...
(pass_manager::pass_manager): ...constructor for new
pass_manager class, and initialize the pass_lists array.
(check_profile_consistency): Update for moves of globals to
fields of pass_manager.
(dump_profile_report): Move body of implementation into...
(pass_manager::dump_profile_report): ...here.
(ipa_write_summaries_1): Update for moves of pass lists from
being globals to fields of pass_manager.
(ipa_write_optimization_summaries): Likewise.
(ipa_read_summaries): Likewise.
(ipa_read_optimization_summaries): Likewise.
(execute_all_ipa_stmt_fixups): Likewise.
* statistics.c (statistics_fini): Update for moves of globals to
fields of pass_manager.
* toplev.c (general_init): Replace call to
init_optimization_passes with construction of the pass_manager
instance.
* tree-pass.h (all_passes): Remove, in favor of a field of the
same name within the new class pass_manager.
(all_small_ipa_passes): Likewise.
(all_lowering_passes): Likewise.
(all_regular_ipa_passes): Likewise.
(all_lto_gen_passes): Likewise.
(all_late_ipa_passes): Likewise.
(passes_by_id): Likewise.
(passes_by_id_size): Likewise.
(gcc_pass_lists): Remove, in favor of "pass_lists" field within
the new class pass_manager.
(get_pass_for_id): Remove.
gcc/lto/
* Make-lang.in (lto/lto.o:): Depend on CONTEXT_H and
PASS_MANAGER_H.
* lto.c (do_whole_program_analysis): Update for move of
all_regular_ipa_passes from a global to a field of class
pass_manager.
From-SVN: r201351
