1 | /* Shrink-wrapping related functions. |
2 | Copyright (C) 1989-2023 Free Software Foundation, Inc. |
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 | #ifndef GCC_SHRINK_WRAP_H |
21 | #define GCC_SHRINK_WRAP_H |
22 | |
23 | #include "function.h" |
24 | |
25 | /* In shrink-wrap.cc. */ |
26 | extern bool requires_stack_frame_p (rtx_insn *, HARD_REG_SET, HARD_REG_SET); |
27 | extern void try_shrink_wrapping (edge *entry_edge, rtx_insn *prologue_seq); |
28 | extern void try_shrink_wrapping_separate (basic_block first_bb); |
29 | extern bool use_shrink_wrapping_separate (void); |
30 | #define SHRINK_WRAPPING_ENABLED \ |
31 | (flag_shrink_wrap && targetm.have_simple_return ()) |
32 | |
33 | #endif /* GCC_SHRINK_WRAP_H */ |
34 | |
35 | |
36 | |