|
111
|
1 /* run-rtl-passes.c - Run RTL passes directly from frontend
|
|
145
|
2 Copyright (C) 2016-2020 Free Software Foundation, Inc.
|
|
111
|
3
|
|
|
4 This file is part of GCC.
|
|
|
5
|
|
|
6 GCC is free software; you can redistribute it and/or modify it under
|
|
|
7 the terms of the GNU General Public License as published by the Free
|
|
|
8 Software Foundation; either version 3, or (at your option) any later
|
|
|
9 version.
|
|
|
10
|
|
|
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
|
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
14 for more details.
|
|
|
15
|
|
|
16 You should have received a copy of the GNU General Public License
|
|
|
17 along with GCC; see the file COPYING3. If not see
|
|
|
18 <http://www.gnu.org/licenses/>. */
|
|
|
19
|
|
|
20 #include "config.h"
|
|
|
21 #include "system.h"
|
|
|
22 #include "coretypes.h"
|
|
|
23 #include "target.h"
|
|
|
24 #include "rtl.h"
|
|
|
25 #include "function.h"
|
|
|
26 #include "basic-block.h"
|
|
|
27 #include "tree-pass.h"
|
|
|
28 #include "context.h"
|
|
|
29 #include "pass_manager.h"
|
|
|
30 #include "bitmap.h"
|
|
|
31 #include "df.h"
|
|
|
32 #include "regs.h"
|
|
131
|
33 #include "output.h"
|
|
|
34 #include "debug.h" /* for debug_hooks. */
|
|
111
|
35 #include "insn-attr-common.h" /* for INSN_SCHEDULING. */
|
|
|
36 #include "insn-attr.h" /* for init_sched_attrs. */
|
|
|
37 #include "run-rtl-passes.h"
|
|
|
38
|
|
|
39 /* Run the backend passes, starting at the given pass.
|
|
|
40 Take ownership of INITIAL_PASS_NAME. */
|
|
|
41
|
|
|
42 void
|
|
|
43 run_rtl_passes (char *initial_pass_name)
|
|
|
44 {
|
|
|
45 cfun->pass_startwith = initial_pass_name;
|
|
|
46 max_regno = max_reg_num ();
|
|
|
47
|
|
131
|
48 /* cgraphunit.c normally handles this. */
|
|
|
49 switch_to_section (text_section);
|
|
|
50 (*debug_hooks->assembly_start) ();
|
|
|
51
|
|
145
|
52 if (initial_pass_name)
|
|
|
53 {
|
|
|
54 /* Pass "expand" normally sets this up. */
|
|
111
|
55 #ifdef INSN_SCHEDULING
|
|
145
|
56 init_sched_attrs ();
|
|
111
|
57 #endif
|
|
145
|
58 bitmap_obstack_initialize (NULL);
|
|
|
59 bitmap_obstack_initialize (®_obstack);
|
|
|
60 opt_pass *rest_of_compilation
|
|
|
61 = g->get_passes ()->get_rest_of_compilation ();
|
|
|
62 gcc_assert (rest_of_compilation);
|
|
|
63 execute_pass_list (cfun, rest_of_compilation);
|
|
111
|
64
|
|
145
|
65 opt_pass *clean_slate = g->get_passes ()->get_clean_slate ();
|
|
|
66 gcc_assert (clean_slate);
|
|
|
67 execute_pass_list (cfun, clean_slate);
|
|
|
68 bitmap_obstack_release (®_obstack);
|
|
|
69 }
|
|
|
70 else
|
|
|
71 {
|
|
|
72 opt_pass *clean_slate = g->get_passes ()->get_clean_slate ();
|
|
|
73 gcc_assert (clean_slate);
|
|
|
74 execute_pass_list (cfun, clean_slate);
|
|
|
75 }
|
|
111
|
76
|
|
|
77 cfun->curr_properties |= PROP_rtl;
|
|
145
|
78 free (initial_pass_name);
|
|
111
|
79 }
|
