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/* pass_manager.h - The pipeline of optimization passes
Copyright (C) 2013-2022 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_PASS_MANAGER_H
#define GCC_PASS_MANAGER_H
class opt_pass;
struct register_pass_info;
/* Define a list of pass lists so that both passes.cc and plugins can easily
find all the pass lists. */
#define GCC_PASS_LISTS \
DEF_PASS_LIST (all_lowering_passes) \
DEF_PASS_LIST (all_small_ipa_passes) \
DEF_PASS_LIST (all_regular_ipa_passes) \
DEF_PASS_LIST (all_late_ipa_passes) \
DEF_PASS_LIST (all_passes)
#define DEF_PASS_LIST(LIST) PASS_LIST_NO_##LIST,
enum pass_list
{
GCC_PASS_LISTS
PASS_LIST_NUM
};
#undef DEF_PASS_LIST
namespace gcc {
class context;
class pass_manager
{
public:
pass_manager (context *ctxt);
~pass_manager ();
void register_pass (struct register_pass_info *pass_info);
void register_one_dump_file (opt_pass *pass);
opt_pass *get_pass_for_id (int id) const;
void dump_passes () const;
void dump_profile_report () const;
void finish_optimization_passes ();
/* Access to specific passes, so that the majority can be private. */
void execute_early_local_passes ();
unsigned int execute_pass_mode_switching ();
/* Various passes are manually cloned by epiphany. */
opt_pass *get_pass_split_all_insns () const {
return pass_split_all_insns_1;
}
opt_pass *get_pass_mode_switching () const {
return pass_mode_switching_1;
}
opt_pass *get_pass_peephole2 () const { return pass_peephole2_1; }
opt_pass *get_pass_profile () const { return pass_profile_1; }
void register_pass_name (opt_pass *pass, const char *name);
opt_pass *get_pass_by_name (const char *name);
opt_pass *get_rest_of_compilation () const
{
return pass_rest_of_compilation_1;
}
opt_pass *get_clean_slate () const { return pass_clean_state_1; }
public:
/* The root of the compilation pass tree, once constructed. */
opt_pass *all_passes;
opt_pass *all_small_ipa_passes;
opt_pass *all_lowering_passes;
opt_pass *all_regular_ipa_passes;
opt_pass *all_late_ipa_passes;
/* A map from static pass id to optimization pass. */
opt_pass **passes_by_id;
int passes_by_id_size;
opt_pass **pass_lists[PASS_LIST_NUM];
private:
void set_pass_for_id (int id, opt_pass *pass);
void register_dump_files (opt_pass *pass);
void create_pass_tab () const;
private:
context *m_ctxt;
hash_map<free_string_hash, opt_pass *> *m_name_to_pass_map;
/* References to all of the individual passes.
These fields are generated via macro expansion.
For example:
NEXT_PASS (pass_build_cfg, 1);
within pass-instances.def means that there is a field:
opt_pass *pass_build_cfg_1;
Similarly, the various:
NEXT_PASS (pass_copy_prop, 1);
...
NEXT_PASS (pass_copy_prop, 8);
in pass-instances.def lead to fields:
opt_pass *pass_copy_prop_1;
...
opt_pass *pass_copy_prop_8; */
#define INSERT_PASSES_AFTER(PASS)
#define PUSH_INSERT_PASSES_WITHIN(PASS)
#define POP_INSERT_PASSES()
#define NEXT_PASS(PASS, NUM) opt_pass *PASS ## _ ## NUM
#define NEXT_PASS_WITH_ARG(PASS, NUM, ARG) NEXT_PASS (PASS, NUM)
#define TERMINATE_PASS_LIST(PASS)
#include "pass-instances.def"
#undef INSERT_PASSES_AFTER
#undef PUSH_INSERT_PASSES_WITHIN
#undef POP_INSERT_PASSES
#undef NEXT_PASS
#undef NEXT_PASS_WITH_ARG
#undef TERMINATE_PASS_LIST
}; // class pass_manager
} // namespace gcc
#endif /* ! GCC_PASS_MANAGER_H */
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