| /* run-rtl-passes.c - Run RTL passes directly from frontend |
| Copyright (C) 2016-2020 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/>. */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "coretypes.h" |
| #include "target.h" |
| #include "rtl.h" |
| #include "function.h" |
| #include "basic-block.h" |
| #include "tree-pass.h" |
| #include "context.h" |
| #include "pass_manager.h" |
| #include "bitmap.h" |
| #include "df.h" |
| #include "regs.h" |
| #include "output.h" |
| #include "debug.h" /* for debug_hooks. */ |
| #include "insn-attr-common.h" /* for INSN_SCHEDULING. */ |
| #include "insn-attr.h" /* for init_sched_attrs. */ |
| #include "run-rtl-passes.h" |
| |
| /* Run the backend passes, starting at the given pass. |
| Take ownership of INITIAL_PASS_NAME. */ |
| |
| void |
| run_rtl_passes (char *initial_pass_name) |
| { |
| cfun->pass_startwith = initial_pass_name; |
| max_regno = max_reg_num (); |
| |
| /* cgraphunit.c normally handles this. */ |
| switch_to_section (text_section); |
| (*debug_hooks->assembly_start) (); |
| |
| if (initial_pass_name) |
| { |
| /* Pass "expand" normally sets this up. */ |
| #ifdef INSN_SCHEDULING |
| init_sched_attrs (); |
| #endif |
| bitmap_obstack_initialize (NULL); |
| bitmap_obstack_initialize (®_obstack); |
| opt_pass *rest_of_compilation |
| = g->get_passes ()->get_rest_of_compilation (); |
| gcc_assert (rest_of_compilation); |
| execute_pass_list (cfun, rest_of_compilation); |
| |
| opt_pass *clean_slate = g->get_passes ()->get_clean_slate (); |
| gcc_assert (clean_slate); |
| execute_pass_list (cfun, clean_slate); |
| bitmap_obstack_release (®_obstack); |
| } |
| else |
| { |
| opt_pass *clean_slate = g->get_passes ()->get_clean_slate (); |
| gcc_assert (clean_slate); |
| execute_pass_list (cfun, clean_slate); |
| } |
| |
| cfun->curr_properties |= PROP_rtl; |
| free (initial_pass_name); |
| } |