Fix klocwork issues. (#3619)

src/ngraph/op/lrn.cpp

@@ -85,8 +85,7 @@ void op::LRN::validate_and_infer_types()
 
     NODE_VALIDATION_CHECK(
         this,
-        static_cast<size_t>(axes_shape[0]) >= 0 &&
-            static_cast<size_t>(axes_shape[0]) <= static_cast<size_t>(input_shape_rank),
+        static_cast<size_t>(axes_shape[0]) <= static_cast<size_t>(input_shape_rank),
         "Number of elements of axes must be >= 0 and <= argument rank (axes_shape[0]: ",
         axes_shape[0],
         ").");

src/ngraph/op/softmax.cpp

@@ -46,7 +46,7 @@ op::v0::Softmax::Softmax(const Output<Node>& arg, const AxisSet& axes)
     for (auto axis : m_axes)
     {
         NODE_VALIDATION_CHECK(this,
-                              axis >= 0 && axis < static_cast<size_t>(input_shape.rank()),
+                              axis < static_cast<size_t>(input_shape.rank()),
                               "Reduction axis (",
                               axis,
                               ") is out of bounds (argument shape: ",
@@ -122,7 +122,7 @@ op::v1::Softmax::Softmax(const Output<Node>& arg, const size_t axis)
                           input_shape,
                           ").");
     NODE_VALIDATION_CHECK(this,
-                          axis >= 0 && axis < static_cast<size_t>(input_shape.rank()),
+                          axis < static_cast<size_t>(input_shape.rank()),
                           "Reduction axis (",
                           axis,
                           ") is out of bounds (argument shape: ",

src/ngraph/runtime/cpu/builder/batch_norm.cpp

@@ -443,6 +443,7 @@ namespace ngraph
                 const ngraph::op::BatchNormTrainingBackprop* batchnorm =
                     static_cast<const ngraph::op::BatchNormTrainingBackprop*>(node);
                 auto eps = batchnorm->get_eps_value();
+                (void)eps; // Use depends on mkl-dnn version
                 QUERY_SCRATCHPAD_3ARGS(batchnorm_backward, batchnorm_desc, input_desc, eps);
 
                 auto functor = [&,

test/pattern.cpp

@@ -144,7 +144,7 @@ public:
 
             size_t const_node_index =
                 m.get_match_root()->get_arguments().at(0) == pattern_map[pattern];
-            auto const_node = dynamic_pointer_cast<op::Constant>(
+            auto const_node = static_pointer_cast<op::Constant>(
                 m.get_match_root()->get_arguments().at(const_node_index));
             auto second_node = m.get_match_root()->get_arguments().at(const_node_index);
             NGRAPH_DEBUG << "second_node = " << second_node->get_name()