[ONNX FE] Fix Windows warnings

src/frontends/onnx/frontend/CMakeLists.txt

@@ -2,12 +2,6 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-    ie_add_compiler_flags(/wd4267)
-    ie_add_compiler_flags(/wd4018)
-    ie_add_compiler_flags(/wd4244)
-endif()
-
 ov_add_frontend(NAME onnx
                 LINKABLE_FRONTEND
                 PROTOBUF_LITE

src/frontends/onnx/frontend/src/core/graph.cpp

@@ -328,7 +328,7 @@ std::shared_ptr<Function> Graph::create_function() {
     const auto& onnx_outputs = m_model->get_graph().output();
     for (std::size_t i{0}; i < function->get_output_size(); ++i) {
         const auto& result_node = function->get_output_op(i);
-        const std::string onnx_output_name = onnx_outputs.Get(i).name();
+        const std::string onnx_output_name = onnx_outputs.Get(static_cast<int>(i)).name();
         result_node->set_friendly_name(onnx_output_name + "/sink_port_0");
         const auto& previous_operation = result_node->get_input_node_shared_ptr(0);
         previous_operation->set_friendly_name(onnx_output_name);
@@ -386,7 +386,7 @@ OutputVector Graph::make_ng_nodes(const Node& onnx_node) {
 
     const size_t outputs_size = std::accumulate(std::begin(ng_subgraph_outputs),
                                                 std::end(ng_subgraph_outputs),
-                                                0,
+                                                static_cast<size_t>(0),
                                                 [](const size_t lhs, const Output<ov::Node>& rhs) {
                                                     return lhs + rhs.get_node()->get_output_size();
                                                 });
@@ -420,10 +420,11 @@ void Graph::set_friendly_names(const Node& onnx_node, const OutputVector& ng_sub
 
     const auto common_node = detail::common_node_for_all_outputs(ng_subgraph_outputs);
 
-    for (size_t i = 0; i < ng_subgraph_outputs.size(); ++i) {
+    const auto ng_subgraph_output_size = static_cast<int>(ng_subgraph_outputs.size());
+    for (int i = 0; i < ng_subgraph_output_size; ++i) {
         // Trailing optional outputs may not be specified in the ONNX model.
         // Other optional outputs should have name set to an empty string.
-        if (i >= onnx_node.get_outputs_size()) {
+        if (i >= static_cast<int>(onnx_node.get_outputs_size())) {
             break;
         }
 

src/frontends/onnx/frontend/src/editor.cpp

@@ -213,9 +213,10 @@ void graph_topological_sort(GraphProto* graph) {
         std::multimap<std::string, const NodeProto*> output_name_to_node;
         GraphProto result;
 
-        for (int i = 0; i < graph->node().size(); ++i) {
+        const auto nodes_number = static_cast<int>(graph->node().size());
+        for (int i = 0; i < nodes_number; ++i) {
             for (const auto& output_name : graph->node(i).output()) {
-                output_name_to_node.emplace(output_name, graph->mutable_node(static_cast<int>(i)));
+                output_name_to_node.emplace(output_name, graph->mutable_node(i));
             }
         }
         auto get_node_by_out_name = [&output_name_to_node](const std::string& out_name) -> const NodeProto* {

src/frontends/onnx/frontend/src/op/roi_align.cpp

@@ -68,9 +68,9 @@ OutputVector roi_align(const Node& node) {
     return {std::make_shared<opset9::ROIAlign>(data,
                                                rois,
                                                num_rois,
-                                               pooled_h,
-                                               pooled_w,
-                                               sampling_ratio,
+                                               static_cast<int>(pooled_h),
+                                               static_cast<int>(pooled_w),
+                                               static_cast<int>(sampling_ratio),
                                                spatial_scale,
                                                pooling_mode,
                                                aligned_mode)};

src/frontends/onnx/frontend/src/place.cpp

@@ -317,8 +317,8 @@ ov::frontend::Place::Ptr PlaceOp::get_input_port(const std::string& input_name)
 
 std::vector<ov::frontend::Place::Ptr> PlaceOp::get_consuming_ports() const {
     std::vector<ov::frontend::Place::Ptr> consuming_ports;
-    const auto out_ports_number = m_editor->get_output_ports(m_node).size();
-    for (size_t out_idx = 0; out_idx < out_ports_number; ++out_idx) {
+    const auto out_ports_number = static_cast<int>(m_editor->get_output_ports(m_node).size());
+    for (int out_idx = 0; out_idx < out_ports_number; ++out_idx) {
         auto consuming_ops_out = get_output_port(out_idx)->get_consuming_ports();
         consuming_ports.insert(consuming_ports.end(), consuming_ops_out.begin(), consuming_ops_out.end());
     }

src/frontends/onnx/tests/CMakeLists.txt

@@ -6,13 +6,6 @@ set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE OFF)
 
 ov_try_use_gold_linker()
 
-if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-    ie_add_compiler_flags(/wd4244)
-    ie_add_compiler_flags(/wd4267)
-    ie_add_compiler_flags(/wd4305)
-    ie_add_compiler_flags(/wd4756)
-endif()
-
 message(STATUS "ONNX frontend test enabled")
 
 add_compile_definitions(