| /* Shrink-wrapping related functions. |
| Copyright (C) 1989-2016 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, 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 && targetm.have_simple_return ()) |
| |
| #endif /* GCC_SHRINK_WRAP_H */ |
| |
| |
