예제 #1
0
        void VectorizerVisitorFunction::visit(const Nodecl::FunctionCode& function_code)
        {
            // Set up enviroment
            _environment._external_scope =
                function_code.retrieve_context();
            _environment._local_scope_list.push_back(
                    function_code.get_statements().retrieve_context());

            // Get analysis info
            Vectorizer::initialize_analysis(function_code);

            // Push FunctionCode as scope for analysis
            _environment._analysis_scopes.push_back(function_code);

            //Vectorize function type and parameters
            TL::Symbol vect_func_sym = function_code.get_symbol();
            TL::Type func_type = vect_func_sym.get_type();
            TL::ObjectList<TL::Symbol> parameters = vect_func_sym.get_function_parameters();
            TL::ObjectList<TL::Type> parameters_type = func_type.parameters();

            TL::ObjectList<TL::Type> parameters_vector_type;
            
            TL::ObjectList<TL::Type>::iterator it_type;
            TL::ObjectList<TL::Symbol>::iterator it_param_sym;
            
            for(it_param_sym = parameters.begin(), it_type = parameters_type.begin();
                    it_type != parameters_type.end();
                    it_param_sym++, it_type++)
            {
                TL::Type sym_type = get_qualified_vector_to((*it_type), _environment._vector_length);

                // Set type to parameter TL::Symbol
                (*it_param_sym).set_type(sym_type);

                parameters_vector_type.append(sym_type);
            }


            if(_masked_version)
            {
                TL::Scope scope = vect_func_sym.get_related_scope();

                // Create mask parameter
                TL::Symbol mask_sym = scope.new_symbol("__mask_param");
                mask_sym.get_internal_symbol()->kind = SK_VARIABLE;
                mask_sym.get_internal_symbol()->entity_specs.is_user_declared = 1;
                mask_sym.set_type(TL::Type::get_mask_type(_environment._mask_size));
               
                symbol_set_as_parameter_of_function(mask_sym.get_internal_symbol(), 
                        vect_func_sym.get_internal_symbol(),
                        parameters.size());

                // Add mask symbol and type to parameters
                parameters.append(mask_sym);
                parameters_vector_type.append(mask_sym.get_type());
                vect_func_sym.set_related_symbols(parameters);

                // Take care of default_argument_info_t*
                //TODO: Move this into a function
                {
                int num_parameters =
                    vect_func_sym.get_internal_symbol()->entity_specs.num_parameters;
                default_argument_info_t** default_argument_info =
                    vect_func_sym.get_internal_symbol()->entity_specs.default_argument_info;

                num_parameters++;
                default_argument_info = (default_argument_info_t**)xrealloc(default_argument_info,
                        num_parameters * sizeof(*default_argument_info));
                default_argument_info[num_parameters-1] = NULL;

                vect_func_sym.get_internal_symbol()->entity_specs.default_argument_info = default_argument_info;
                vect_func_sym.get_internal_symbol()->entity_specs.num_parameters = num_parameters;
                }

                Nodecl::Symbol mask_nodecl_sym = 
                    mask_sym.make_nodecl(true, function_code.get_locus());

                _environment._mask_list.push_back(mask_nodecl_sym);
            }
            else // Add MaskLiteral to mask_list
            {
                Nodecl::MaskLiteral all_one_mask =
                    Nodecl::MaskLiteral::make(
                            TL::Type::get_mask_type(_environment._mask_size),
                            const_value_get_minus_one(_environment._mask_size, 1),
                            make_locus("", 0, 0));

                _environment._mask_list.push_back(all_one_mask);
            }

            vect_func_sym.set_type(get_qualified_vector_to(func_type.returns(), 
                        _environment._vector_length).get_function_returning(parameters_vector_type));

            // Vectorize function statements
            VectorizerVisitorStatement visitor_stmt(_environment);
            visitor_stmt.walk(function_code.get_statements());

            // Add final return if multi-return function
            if (_environment._function_return.is_valid())
            {
                // Return value
                Nodecl::Symbol return_value= _environment._function_return.make_nodecl(
                        false, function_code.get_locus());

//                VectorizerVisitorExpression visitor_sym(_environment);
//                visitor_sym.walk(return_value);

                // Return value at the end of the Compound Statement
                Nodecl::ReturnStatement return_stmt =
                    Nodecl::ReturnStatement::make(return_value, function_code.get_locus());

                function_code.get_statements().as<Nodecl::Context>().get_in_context().as<Nodecl::List>()
                    .front().as<Nodecl::CompoundStatement>().get_statements()
                    .as<Nodecl::List>().append(return_stmt);
            }
            

            _environment._analysis_scopes.pop_back();
            _environment._mask_list.pop_back();

            // Analysis in functions won't be reused anywhere so it must be freed
            Vectorizer::finalize_analysis();
        }
예제 #2
0
    TL::Symbol new_function_symbol(
            TL::Symbol current_function,
            const std::string& name,
            TL::Type return_type,
            TL::ObjectList<std::string> parameter_names,
            TL::ObjectList<TL::Type> parameter_types)
    {
        if (IS_FORTRAN_LANGUAGE && current_function.is_nested_function())
        {
            // Get the enclosing function
            current_function = current_function.get_scope().get_related_symbol();
        }

        decl_context_t decl_context = current_function.get_scope().get_decl_context();

        ERROR_CONDITION(parameter_names.size() != parameter_types.size(), "Mismatch between names and types", 0);

        decl_context_t function_context;
        if (IS_FORTRAN_LANGUAGE)
        {
            function_context = new_program_unit_context(decl_context);
        }
        else
        {
            function_context = new_function_context(decl_context);
            function_context = new_block_context(function_context);
        }

        // Build the function type
        int num_parameters = 0;
        scope_entry_t** parameter_list = NULL;

        parameter_info_t* p_types = new parameter_info_t[parameter_types.size()];
        parameter_info_t* it_ptypes = &(p_types[0]);
        TL::ObjectList<TL::Type>::iterator type_it = parameter_types.begin();
        for (TL::ObjectList<std::string>::iterator it = parameter_names.begin();
                it != parameter_names.end();
                it++, it_ptypes++, type_it++)
        {
            scope_entry_t* param = new_symbol(function_context, function_context.current_scope, it->c_str());
            param->entity_specs.is_user_declared = 1;
            param->kind = SK_VARIABLE;
            param->locus = make_locus("", 0, 0);

            param->defined = 1;

            param->type_information = get_unqualified_type(type_it->get_internal_type());

            P_LIST_ADD(parameter_list, num_parameters, param);

            it_ptypes->is_ellipsis = 0;
            it_ptypes->nonadjusted_type_info = NULL;
            it_ptypes->type_info = get_indirect_type(param);
        }

        type_t *function_type = get_new_function_type(
                return_type.get_internal_type(),
                p_types,
                parameter_types.size());

        delete[] p_types;

        // Now, we can create the new function symbol
        scope_entry_t* new_function_sym = NULL;
        if (!current_function.get_type().is_template_specialized_type())
        {
            new_function_sym = new_symbol(decl_context, decl_context.current_scope, name.c_str());
            new_function_sym->entity_specs.is_user_declared = 1;
            new_function_sym->kind = SK_FUNCTION;
            new_function_sym->locus = make_locus("", 0, 0);
            new_function_sym->type_information = function_type;
        }
        else
        {
            scope_entry_t* new_template_sym = new_symbol(
                    decl_context, decl_context.current_scope, name.c_str());
            new_template_sym->kind = SK_TEMPLATE;
            new_template_sym->locus = make_locus("", 0, 0);

            new_template_sym->type_information = get_new_template_type(
                    decl_context.template_parameters,
                    function_type,
                    uniquestr(name.c_str()),
                    decl_context, make_locus("", 0, 0));

            template_type_set_related_symbol(new_template_sym->type_information, new_template_sym);

            // The new function is the primary template specialization
            new_function_sym = named_type_get_symbol(
                    template_type_get_primary_type(
                        new_template_sym->type_information));
        }

        function_context.function_scope->related_entry = new_function_sym;
        function_context.block_scope->related_entry = new_function_sym;

        new_function_sym->related_decl_context = function_context;

        new_function_sym->entity_specs.related_symbols = parameter_list;
        new_function_sym->entity_specs.num_related_symbols = num_parameters;
        for (int i = 0; i < new_function_sym->entity_specs.num_related_symbols; ++i)
        {
            symbol_set_as_parameter_of_function(
                    new_function_sym->entity_specs.related_symbols[i], new_function_sym, /* parameter position */ i);
        }

        // Make it static
        new_function_sym->entity_specs.is_static = 1;

        // Make it member if the enclosing function is member
        if (current_function.is_member())
        {
            new_function_sym->entity_specs.is_member = 1;
            new_function_sym->entity_specs.class_type = current_function.get_class_type().get_internal_type();

            new_function_sym->entity_specs.access = AS_PUBLIC;

            ::class_type_add_member(new_function_sym->entity_specs.class_type, new_function_sym);
        }

        if (current_function.is_inline())
            new_function_sym->entity_specs.is_inline = 1;

        // new_function_sym->entity_specs.is_defined_inside_class_specifier =
        //     current_function.get_internal_symbol()->entity_specs.is_defined_inside_class_specifier;

        if (IS_FORTRAN_LANGUAGE && current_function.is_in_module())
        {
            scope_entry_t* module_sym = current_function.in_module().get_internal_symbol();
            new_function_sym->entity_specs.in_module = module_sym;
            P_LIST_ADD(
                    module_sym->entity_specs.related_symbols,
                    module_sym->entity_specs.num_related_symbols,
                    new_function_sym);
            new_function_sym->entity_specs.is_module_procedure = 1;
        }

        return new_function_sym;
    }