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/* run-rtl-passes.c - Run RTL passes directly from frontend
Copyright (C) 2016-2018 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) ();
/* 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);
cfun->curr_properties |= PROP_rtl;
}
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