add utility method to emit function call

src/ngraph/runtime/cpu/emitter.cpp

@@ -1019,29 +1019,50 @@ void Emitter::EmitReshape(const ngraph::Node* n,
     }
 }
 
-void Emitter::EmitFunctionCall(const ngraph::Node* n,
-                               ExternalFunction* ef,
-                               const std::vector<TensorViewInfo>& inputs,
-                               const std::vector<TensorViewInfo>& outputs)
+void Emitter::generate_call(const std::vector<TensorViewInfo>& inputs,
+                            const std::vector<TensorViewInfo>& outputs,
+                            shared_ptr<Function> function)
 {
-    auto function_call = static_cast<const op::FunctionCall*>(n);
-    shared_ptr<Function> function = function_call->get_function();
+    vector<string> input_names;
+    vector<string> output_names;
 
-    TU << "{   // Call " << function->get_name() << "\n";
-    TU.indent++;
-    TU << "std::vector<void*> inputs;\n";
     for (const TensorViewInfo& input : inputs)
     {
-        TU << "inputs.push_back(" << input.get_tensor().get_name() << ");\n";
+        input_names.push_back(input.get_tensor().get_name());
     }
-    TU << "\n";
-    TU << "std::vector<void*> outputs;\n";
+
     for (const TensorViewInfo& output : outputs)
     {
-        TU << "outputs.push_back(" << output.get_tensor().get_name() << ");\n";
+        output_names.push_back(output.get_tensor().get_name());
     }
+
+    TU << "std::vector<void*> inputs =\n{";
+    TU.indent++;
+    TU << "\n" << join(input_names, ",\n");
+    TU.indent--;
+    TU << "\n};\n";
+
+    TU << "std::vector<void*> outputs =\n{";
+    TU.indent++;
+    TU << "\n" << join(output_names, ",\n");
+    TU.indent--;
+    TU << "\n};\n";
+
     TU << "\n";
     TU << function->get_name() << "(inputs, outputs);\n";
+}
+
+void Emitter::EmitFunctionCall(const ngraph::Node* n,
+                               ExternalFunction* ef,
+                               const std::vector<TensorViewInfo>& inputs,
+                               const std::vector<TensorViewInfo>& outputs)
+{
+    auto function_call = static_cast<const op::FunctionCall*>(n);
+    shared_ptr<Function> function = function_call->get_function();
+
+    TU << "{   // Call " << function->get_name() << "\n";
+    TU.indent++;
+    generate_call(inputs, outputs, function);
     TU.indent--;
     TU << "}\n";
 }

src/ngraph/runtime/cpu/emitter.hpp

@@ -94,6 +94,11 @@ namespace ngraph
                 void EMITTER_DECL(EmitAsin);
                 void EMITTER_DECL(EmitAcos);
                 void EMITTER_DECL(EmitAtan);
+
+            private:
+                void generate_call(const std::vector<TensorViewInfo>& inputs,
+                                   const std::vector<TensorViewInfo>& outputs,
+                                   std::shared_ptr<Function> function);
             };
         }
     }