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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-10-02 11:35:25 -07:00
parent 3f9edad676
commit e9eab22e5c
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lib/eager_bit_blaster.h Normal file
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
eager_bit_blaster.h
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2008-10-02.
Revision History:
--*/
#ifndef _EAGER_BIT_BLASTER_H_
#define _EAGER_BIT_BLASTER_H_
#include"bv_decl_plugin.h"
#include"bit_blaster.h"
#include"simplifier.h"
#include"basic_simplifier_plugin.h"
class eager_bit_blaster {
class bv_plugin : public simplifier_plugin {
bv_util m_util;
bit_blaster m_bb;
basic_simplifier_plugin m_s;
void get_bits(expr * n, expr_ref_vector & out_bits);
app * mk_mkbv(expr_ref_vector const & bits);
void reduce_not(expr * arg, expr_ref & result);
void reduce_bin_or(expr * arg1, expr * arg2, expr_ref & result);
void reduce_or(unsigned num_args, expr * const * args, expr_ref & result);
void reduce_bin_and(expr * arg1, expr * arg2, expr_ref & result);
void reduce_and(unsigned num_args, expr * const * args, expr_ref & result);
void reduce_bin_nor(expr * arg1, expr * arg2, expr_ref & result);
void reduce_nor(unsigned num_args, expr * const * args, expr_ref & result);
void reduce_bin_nand(expr * arg1, expr * arg2, expr_ref & result);
void reduce_nand(unsigned num_args, expr * const * args, expr_ref & result);
void reduce_xor(expr * arg1, expr * arg2, expr_ref & result);
void reduce_xnor(expr * arg1, expr * arg2, expr_ref & result);
void reduce_neg(expr * arg, expr_ref & result);
void reduce_bin_add(expr * arg1, expr * arg2, expr_ref & result);
void reduce_add(unsigned num_args, expr * const * args, expr_ref & result);
void reduce_bin_mul(expr * arg1, expr * arg2, expr_ref & result);
void reduce_mul(unsigned num_args, expr * const * args, expr_ref & result);
void reduce_sdiv(expr * arg1, expr * arg2, expr_ref & result);
void reduce_udiv(expr * arg1, expr * arg2, expr_ref & result);
void reduce_srem(expr * arg1, expr * arg2, expr_ref & result);
void reduce_urem(expr * arg1, expr * arg2, expr_ref & result);
void reduce_smod(expr * arg1, expr * arg2, expr_ref & result);
void reduce_sle(expr * arg1, expr * arg2, expr_ref & result);
void reduce_ule(expr * arg1, expr * arg2, expr_ref & result);
void reduce_concat(unsigned num_args, expr * const * args, expr_ref & result);
void reduce_extract(unsigned start, unsigned end, expr * arg, expr_ref & result);
void reduce_redor(expr * arg, expr_ref & result);
void reduce_redand(expr * arg, expr_ref & result);
void reduce_comp(expr * arg1, expr * arg2, expr_ref & result);
void reduce_shl(expr * arg1, expr * arg2, expr_ref & result);
void reduce_ashr(expr * arg1, expr * arg2, expr_ref & result);
void reduce_lshr(expr * arg1, expr * arg2, expr_ref & result);
void reduce_rotate_left(expr * arg, unsigned n, expr_ref & result);
void reduce_rotate_right(expr * arg, unsigned n, expr_ref & result);
void reduce_sign_extend(expr * arg, unsigned n, expr_ref & result);
void reduce_zero_extend(expr * arg, unsigned n, expr_ref & result);
public:
bv_plugin(ast_manager & m, bit_blaster_params const & p);
virtual ~bv_plugin();
virtual bool reduce(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result);
virtual bool reduce_eq(expr * lhs, expr * rhs, expr_ref & result);
virtual bool reduce_distinct(unsigned num_args, expr * const * args, expr_ref & result);
basic_simplifier_plugin & get_basic_simplifier() { return m_s; }
bool reduce_ite(expr * arg1, expr * arg2, expr * arg3, expr_ref & result);
};
/**
\brief Plugin for handling the term-ite.
*/
class basic_plugin : public simplifier_plugin {
bv_plugin & m_main;
basic_simplifier_plugin & m_s;
public:
basic_plugin(ast_manager & m, bv_plugin & p, basic_simplifier_plugin & s);
virtual ~basic_plugin();
virtual bool reduce(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result);
};
simplifier m_simplifier;
public:
eager_bit_blaster(ast_manager & m, bit_blaster_params const & p);
void operator()(expr * s, expr_ref & r, proof_ref & p);
};
#endif /* _EAGER_BIT_BLASTER_H_ */