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/* Shrink-wrapping related functions.
Copyright (C) 1989-2017 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/>. */
#ifndef GCC_SHRINK_WRAP_H
#define GCC_SHRINK_WRAP_H
#include "function.h"
/* In shrink-wrap.c. */
extern bool requires_stack_frame_p (rtx_insn *, HARD_REG_SET, HARD_REG_SET);
extern void try_shrink_wrapping (edge *entry_edge, rtx_insn *prologue_seq);
extern void try_shrink_wrapping_separate (basic_block first_bb);
#define SHRINK_WRAPPING_ENABLED \
(flag_shrink_wrap && targetm.have_simple_return ())
#endif /* GCC_SHRINK_WRAP_H */
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