int SuitableAlignmentVisitor::visit( const Nodecl::Symbol& n )
{
if (is_suitable_expression(n))
{
return 0;
}
else if( n.is_constant( ) )
{
int value = const_value_cast_to_signed_int( n.get_constant( )) * _type_size;
if(is_suitable_constant(value))
return 0;
else
return value;
}
else if( Utils::induction_variable_list_contains_variable( _induction_variables, n ) )
{
Utils::InductionVariableData* iv = Utils::get_induction_variable_from_list( _induction_variables, n );
Nodecl::Utils::ReduceExpressionVisitor v;
Nodecl::NodeclBase lb = iv->get_lb( ).shallow_copy( );
v.walk( lb );
if( lb.is_constant( ) )
{
Nodecl::NodeclBase incr = iv->get_increment( ).shallow_copy( );
v.walk( incr );
if( incr.is_constant( ) )
{
return (const_value_cast_to_signed_int( lb.get_constant( ) )
+ ( const_value_cast_to_signed_int( incr.get_constant( ) )
* _unroll_factor)) * _type_size;
}
}
}
return -1;
}
