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Remove ID_width expression support from solvers #6008

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Merged
merged 1 commit into from
Apr 3, 2021
Merged

Remove ID_width expression support from solvers #6008

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19 changes: 0 additions & 19 deletions src/solvers/flattening/boolbv.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -109,25 +109,6 @@ bvt boolbvt::convert_bitvector(const exprt &expr)
return convert_with(to_with_expr(expr));
else if(expr.id()==ID_update)
return convert_update(to_update_expr(expr));
else if(expr.id()==ID_width)
{
std::size_t result_width=boolbv_width(expr.type());

if(result_width==0)
return conversion_failed(expr);

if(expr.operands().size()!=1)
return conversion_failed(expr);

std::size_t op_width = boolbv_width(to_unary_expr(expr).op().type());

if(op_width==0)
return conversion_failed(expr);

if(expr.type().id()==ID_unsignedbv ||
expr.type().id()==ID_signedbv)
return bv_utils.build_constant(op_width/8, result_width);
}
else if(expr.id()==ID_case)
return convert_case(expr);
else if(expr.id()==ID_cond)
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11 changes: 0 additions & 11 deletions src/solvers/smt2/smt2_conv.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1613,17 +1613,6 @@ void smt2_convt::convert_expr(const exprt &expr)
INVARIANT(
false, "byte_update ops should be lowered in prepare_for_convert_expr");
}
else if(expr.id()==ID_width)
{
std::size_t result_width=boolbv_width(expr.type());
CHECK_RETURN(result_width != 0);

std::size_t op_width = boolbv_width(to_unary_expr(expr).op().type());
CHECK_RETURN(op_width != 0);

out << "(_ bv" << op_width/8
<< " " << result_width << ")";
}
else if(expr.id()==ID_abs)
{
const abs_exprt &abs_expr = to_abs_expr(expr);
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