| /* Optimization information. |
| Copyright (C) 2018-2019 Free Software Foundation, Inc. |
| Contributed by David Malcolm <dmalcolm@redhat.com>. |
| |
| 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/>. */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "coretypes.h" |
| |
| #include "backend.h" |
| #include "tree.h" |
| #include "gimple.h" |
| |
| #include "optinfo.h" |
| #include "optinfo-emit-json.h" |
| #include "dump-context.h" |
| #include "pretty-print.h" |
| #include "gimple-pretty-print.h" |
| #include "cgraph.h" |
| #include "selftest.h" |
| |
| /* optinfo_item's ctor. Takes ownership of TEXT. */ |
| |
| optinfo_item::optinfo_item (enum optinfo_item_kind kind, location_t location, |
| char *text) |
| : m_kind (kind), m_location (location), m_text (text) |
| { |
| } |
| |
| /* optinfo_item's dtor. */ |
| |
| optinfo_item::~optinfo_item () |
| { |
| free (m_text); |
| } |
| |
| /* Get a string from KIND. */ |
| |
| const char * |
| optinfo_kind_to_string (enum optinfo_kind kind) |
| { |
| switch (kind) |
| { |
| default: |
| gcc_unreachable (); |
| case OPTINFO_KIND_SUCCESS: |
| return "success"; |
| case OPTINFO_KIND_FAILURE: |
| return "failure"; |
| case OPTINFO_KIND_NOTE: |
| return "note"; |
| case OPTINFO_KIND_SCOPE: |
| return "scope"; |
| } |
| } |
| |
| /* optinfo's dtor. */ |
| |
| optinfo::~optinfo () |
| { |
| /* Cleanup. */ |
| unsigned i; |
| optinfo_item *item; |
| FOR_EACH_VEC_ELT (m_items, i, item) |
| delete item; |
| } |
| |
| /* Add ITEM to this optinfo. */ |
| |
| void |
| optinfo::add_item (optinfo_item *item) |
| { |
| gcc_assert (item); |
| m_items.safe_push (item); |
| } |
| |
| /* Get MSG_* flags corresponding to KIND. */ |
| |
| static dump_flags_t |
| optinfo_kind_to_dump_flag (enum optinfo_kind kind) |
| { |
| switch (kind) |
| { |
| default: |
| gcc_unreachable (); |
| case OPTINFO_KIND_SUCCESS: |
| return MSG_OPTIMIZED_LOCATIONS; |
| case OPTINFO_KIND_FAILURE: |
| return MSG_MISSED_OPTIMIZATION; |
| case OPTINFO_KIND_NOTE: |
| case OPTINFO_KIND_SCOPE: |
| return MSG_NOTE; |
| } |
| } |
| |
| /* Re-emit this optinfo, both to the "non-immediate" destinations, |
| *and* to the "immediate" destinations. */ |
| |
| void |
| optinfo::emit_for_opt_problem () const |
| { |
| dump_flags_t dump_kind = optinfo_kind_to_dump_flag (get_kind ()); |
| dump_kind |= MSG_PRIORITY_REEMITTED; |
| |
| /* Re-emit to "immediate" destinations, without creating a new optinfo. */ |
| dump_context::get ().dump_loc_immediate (dump_kind, get_user_location ()); |
| unsigned i; |
| optinfo_item *item; |
| FOR_EACH_VEC_ELT (m_items, i, item) |
| dump_context::get ().emit_item (item, dump_kind); |
| |
| /* Re-emit to "non-immediate" destinations. */ |
| dump_context::get ().emit_optinfo (this); |
| } |
| |
| /* Update the optinfo's kind based on DUMP_KIND. */ |
| |
| void |
| optinfo::handle_dump_file_kind (dump_flags_t dump_kind) |
| { |
| /* Any optinfo for a "scope" should have been emitted separately. */ |
| gcc_assert (m_kind != OPTINFO_KIND_SCOPE); |
| |
| if (dump_kind & MSG_OPTIMIZED_LOCATIONS) |
| m_kind = OPTINFO_KIND_SUCCESS; |
| else if (dump_kind & MSG_MISSED_OPTIMIZATION) |
| m_kind = OPTINFO_KIND_FAILURE; |
| else if (dump_kind & MSG_NOTE) |
| m_kind = OPTINFO_KIND_NOTE; |
| } |
| |
| /* Return true if any of the active optinfo destinations make use |
| of inlining information. |
| (if true, then the information is preserved). */ |
| |
| bool optinfo_wants_inlining_info_p () |
| { |
| return dump_context::get ().optimization_records_enabled_p (); |
| } |