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Starting to work on trailing 0 analysis.

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mikolas 2016-04-02 20:33:42 +01:00 • committed by Mikolas Janota
parent 493b86eca7
commit c7f1746321
5 changed files with 330 additions and 1 deletions
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12
src/ast/rewriter/bv_rewriter.cpp
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@ -20,6 +20,7 @@ Notes:
#include"bv_rewriter_params.hpp"
#include"poly_rewriter_def.h"
#include"ast_smt2_pp.h"
#include"bv_trailing.h"
mk_extract_proc::mk_extract_proc(bv_util & u):
@ -61,6 +62,7 @@ void bv_rewriter::updt_local_params(params_ref const & _p) {
m_elim_sign_ext = p.elim_sign_ext();
m_mul2concat = p.mul2concat();
m_bit2bool = p.bit2bool();
m_trailing = p.bv_trailing();
m_blast_eq_value = p.blast_eq_value();
m_split_concat_eq = p.split_concat_eq();
m_udiv2mul = p.udiv2mul();
@ -2124,6 +2126,15 @@ br_status bv_rewriter::mk_eq_core(expr * lhs, expr * rhs, expr_ref & result) {
return st;
}
if (m_trailing) {
bv_trailing bvt(m(), m_mk_extract);
st = bvt.eq_remove_trailing(lhs, rhs, result);
if (st != BR_FAILED) {
TRACE("eq_remove_trailing", tout << mk_ismt2_pp(lhs, m()) << "\n=\n" << mk_ismt2_pp(rhs, m()) << "\n----->\n" << mk_ismt2_pp(result, m()) << "\n";);
return st;
}
}
st = mk_mul_eq(lhs, rhs, result);
if (st != BR_FAILED) {
TRACE("mk_mul_eq", tout << mk_ismt2_pp(lhs, m()) << "\n=\n" << mk_ismt2_pp(rhs, m()) << "\n----->\n" << mk_ismt2_pp(result,m()) << "\n";);
@ -2187,6 +2198,7 @@ br_status bv_rewriter::mk_eq_core(expr * lhs, expr * rhs, expr_ref & result) {
return BR_FAILED;
}
br_status bv_rewriter::mk_mkbv(unsigned num, expr * const * args, expr_ref & result) {
if (m_mkbv2num) {
unsigned i;