80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/* run-rtl-passes.c - Run RTL passes directly from frontend
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Copyright (C) 2016-2021 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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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "target.h"
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#include "rtl.h"
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#include "function.h"
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#include "basic-block.h"
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#include "tree-pass.h"
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#include "context.h"
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#include "pass_manager.h"
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#include "bitmap.h"
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#include "df.h"
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#include "regs.h"
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#include "output.h"
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#include "debug.h" /* for debug_hooks. */
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#include "insn-attr-common.h" /* for INSN_SCHEDULING. */
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#include "insn-attr.h" /* for init_sched_attrs. */
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#include "run-rtl-passes.h"
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/* Run the backend passes, starting at the given pass.
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Take ownership of INITIAL_PASS_NAME. */
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void
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run_rtl_passes (char *initial_pass_name)
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{
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cfun->pass_startwith = initial_pass_name;
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max_regno = max_reg_num ();
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/* cgraphunit.c normally handles this. */
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switch_to_section (text_section);
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(*debug_hooks->assembly_start) ();
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if (initial_pass_name)
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{
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/* Pass "expand" normally sets this up. */
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#ifdef INSN_SCHEDULING
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init_sched_attrs ();
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#endif
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bitmap_obstack_initialize (NULL);
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bitmap_obstack_initialize (®_obstack);
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opt_pass *rest_of_compilation
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= g->get_passes ()->get_rest_of_compilation ();
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gcc_assert (rest_of_compilation);
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execute_pass_list (cfun, rest_of_compilation);
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opt_pass *clean_slate = g->get_passes ()->get_clean_slate ();
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gcc_assert (clean_slate);
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execute_pass_list (cfun, clean_slate);
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bitmap_obstack_release (®_obstack);
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}
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else
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{
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opt_pass *clean_slate = g->get_passes ()->get_clean_slate ();
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gcc_assert (clean_slate);
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execute_pass_list (cfun, clean_slate);
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}
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cfun->curr_properties |= PROP_rtl;
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free (initial_pass_name);
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}
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