Daily bump.
[official-gcc.git] / gcc / shrink-wrap.h
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1 /* Shrink-wrapping related functions.
2 Copyright (C) 1989-2018 Free Software Foundation, Inc.
4 This file is part of GCC.
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.
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.
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/>. */
20 #ifndef GCC_SHRINK_WRAP_H
21 #define GCC_SHRINK_WRAP_H
23 #include "function.h"
25 /* In shrink-wrap.c. */
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 #define SHRINK_WRAPPING_ENABLED \
30 (flag_shrink_wrap && targetm.have_simple_return ())
32 #endif /* GCC_SHRINK_WRAP_H */