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/usr/lib/gcc-cross/arm-linux-gnueabihf/7/plugin/include/tree-ssa-ccp.h is in gcc-7-plugin-dev-arm-linux-gnueabihf 7.3.0-16ubuntu3cross1.

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/* Copyright (C) 2016-2017 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 TREE_SSA_CCP_H
#define TREE_SSA_CCP_H

void bit_value_binop (enum tree_code, signop, int, widest_int *, widest_int *,
		      signop, int, const widest_int &, const widest_int &,
		      signop, int, const widest_int &, const widest_int &);

void bit_value_unop (enum tree_code, signop, int, widest_int *, widest_int *,
		     signop, int, const widest_int &, const widest_int &);

#endif