Add Softmax::validate_and_infer_types (#3749)

src/ngraph/op/softmax.cpp

@@ -53,14 +53,6 @@ op::v0::Softmax::Softmax(const Output<Node>& arg, const AxisSet& axes)
                               input_shape,
                               ").");
     }
-    if (input_shape.is_static())
-    {
-        set_output_type(0, get_input_element_type(0), input_shape.to_shape());
-    }
-    else
-    {
-        set_output_type(0, get_input_element_type(0), PartialShape::dynamic());
-    }
 
     // empty axes == all axes
     if (m_axes.size() == 0)
@@ -72,6 +64,19 @@ op::v0::Softmax::Softmax(const Output<Node>& arg, const AxisSet& axes)
     }
 }
 
+void op::v0::Softmax::validate_and_infer_types()
+{
+    const PartialShape& input_shape = get_input_partial_shape(0);
+    if (input_shape.is_static())
+    {
+        set_output_type(0, get_input_element_type(0), input_shape.to_shape());
+    }
+    else
+    {
+        set_output_type(0, get_input_element_type(0), PartialShape::dynamic());
+    }
+}
+
 shared_ptr<Node> op::v0::Softmax::copy_with_new_args(const NodeVector& new_args) const
 {
     check_new_args_count(this, new_args);
@@ -128,7 +133,11 @@ op::v1::Softmax::Softmax(const Output<Node>& arg, const size_t axis)
                           ") is out of bounds (argument shape: ",
                           input_shape,
                           ").");
+}
 
+void op::v1::Softmax::validate_and_infer_types()
+{
+    const PartialShape& input_shape = get_input_partial_shape(0);
     if (input_shape.is_static())
         set_output_type(0, get_input_element_type(0), input_shape.to_shape());
     else

src/ngraph/op/softmax.hpp

@@ -43,6 +43,8 @@ namespace ngraph
                 ///
                 Softmax(const Output<Node>& arg, const AxisSet& axes);
 
+                void validate_and_infer_types() override;
+
                 virtual std::shared_ptr<Node>
                     copy_with_new_args(const NodeVector& new_args) const override;
 
@@ -79,6 +81,8 @@ namespace ngraph
                 ///
                 Softmax(const Output<Node>& arg, const size_t axis);
 
+                void validate_and_infer_types() override;
+
                 size_t get_version() const override { return 1; }
                 virtual std::shared_ptr<Node>
                     copy_with_new_args(const NodeVector& new_args) const override;