149 lines
4 KiB
C
149 lines
4 KiB
C
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/* pass_manager.h - The pipeline of optimization passes
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Copyright (C) 2013-2023 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_PASS_MANAGER_H
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#define GCC_PASS_MANAGER_H
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class opt_pass;
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struct register_pass_info;
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/* Define a list of pass lists so that both passes.cc and plugins can easily
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find all the pass lists. */
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#define GCC_PASS_LISTS \
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DEF_PASS_LIST (all_lowering_passes) \
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DEF_PASS_LIST (all_small_ipa_passes) \
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DEF_PASS_LIST (all_regular_ipa_passes) \
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DEF_PASS_LIST (all_late_ipa_passes) \
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DEF_PASS_LIST (all_passes)
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#define DEF_PASS_LIST(LIST) PASS_LIST_NO_##LIST,
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enum pass_list
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{
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GCC_PASS_LISTS
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PASS_LIST_NUM
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};
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#undef DEF_PASS_LIST
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namespace gcc {
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class context;
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class pass_manager
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{
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public:
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pass_manager (context *ctxt);
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~pass_manager ();
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void register_pass (struct register_pass_info *pass_info);
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void register_one_dump_file (opt_pass *pass);
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opt_pass *get_pass_for_id (int id) const;
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void dump_passes () const;
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void dump_profile_report () const;
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void finish_optimization_passes ();
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/* Access to specific passes, so that the majority can be private. */
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void execute_early_local_passes ();
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unsigned int execute_pass_mode_switching ();
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/* Various passes are manually cloned by epiphany. */
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opt_pass *get_pass_split_all_insns () const {
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return pass_split_all_insns_1;
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}
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opt_pass *get_pass_mode_switching () const {
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return pass_mode_switching_1;
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}
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opt_pass *get_pass_peephole2 () const { return pass_peephole2_1; }
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opt_pass *get_pass_profile () const { return pass_profile_1; }
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void register_pass_name (opt_pass *pass, const char *name);
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opt_pass *get_pass_by_name (const char *name);
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opt_pass *get_rest_of_compilation () const
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{
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return pass_rest_of_compilation_1;
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}
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opt_pass *get_clean_slate () const { return pass_clean_state_1; }
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public:
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/* The root of the compilation pass tree, once constructed. */
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opt_pass *all_passes;
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opt_pass *all_small_ipa_passes;
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opt_pass *all_lowering_passes;
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opt_pass *all_regular_ipa_passes;
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opt_pass *all_late_ipa_passes;
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/* A map from static pass id to optimization pass. */
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opt_pass **passes_by_id;
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int passes_by_id_size;
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opt_pass **pass_lists[PASS_LIST_NUM];
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private:
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void set_pass_for_id (int id, opt_pass *pass);
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void register_dump_files (opt_pass *pass);
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void create_pass_tab () const;
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private:
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context *m_ctxt;
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hash_map<free_string_hash, opt_pass *> *m_name_to_pass_map;
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/* References to all of the individual passes.
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These fields are generated via macro expansion.
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For example:
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NEXT_PASS (pass_build_cfg, 1);
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within pass-instances.def means that there is a field:
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opt_pass *pass_build_cfg_1;
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Similarly, the various:
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NEXT_PASS (pass_copy_prop, 1);
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...
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NEXT_PASS (pass_copy_prop, 8);
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in pass-instances.def lead to fields:
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opt_pass *pass_copy_prop_1;
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...
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opt_pass *pass_copy_prop_8; */
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#define INSERT_PASSES_AFTER(PASS)
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#define PUSH_INSERT_PASSES_WITHIN(PASS)
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#define POP_INSERT_PASSES()
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#define NEXT_PASS(PASS, NUM) opt_pass *PASS ## _ ## NUM
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#define NEXT_PASS_WITH_ARG(PASS, NUM, ARG) NEXT_PASS (PASS, NUM)
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#define TERMINATE_PASS_LIST(PASS)
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#include "pass-instances.def"
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#undef INSERT_PASSES_AFTER
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#undef PUSH_INSERT_PASSES_WITHIN
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#undef POP_INSERT_PASSES
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#undef NEXT_PASS
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#undef NEXT_PASS_WITH_ARG
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#undef TERMINATE_PASS_LIST
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}; // class pass_manager
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} // namespace gcc
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#endif /* ! GCC_PASS_MANAGER_H */
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