/usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/shrink-wrap.h is in gcc-5-plugin-dev 5.5.0-12ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | /* Shrink-wrapping related functions.
Copyright (C) 1989-2015 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 "hashtab.h"
#include "vec.h"
#include "machmode.h"
#ifdef HAVE_simple_return
#include "function.h"
/* In shrink-wrap.c. */
extern bool requires_stack_frame_p (rtx_insn *, HARD_REG_SET, HARD_REG_SET);
extern void prepare_shrink_wrap (basic_block entry_block);
extern void dup_block_and_redirect (basic_block bb, basic_block copy_bb,
rtx_insn *before,
bitmap_head *need_prologue);
extern void try_shrink_wrapping (edge *entry_edge, edge orig_entry_edge,
bitmap_head *bb_flags, rtx_insn *prologue_seq);
extern edge get_unconverted_simple_return (edge, bitmap_head,
vec<edge> *, rtx_insn **);
extern void convert_to_simple_return (edge entry_edge, edge orig_entry_edge,
bitmap_head bb_flags,
rtx_insn *returnjump,
vec<edge> unconverted_simple_returns);
#define SHRINK_WRAPPING_ENABLED (flag_shrink_wrap && HAVE_simple_return)
#else
#define SHRINK_WRAPPING_ENABLED false
#endif
#endif /* GCC_SHRINK_WRAP_H */
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