covert fp16 to fp32 for parsing lrn operator

src/onnx/parse_generic_op.cpp

@@ -30,7 +30,6 @@ struct parse_generic_op : op_parser<parse_generic_op>
                 {"Identity", "identity"},
                 {"LeakyRelu", "leaky_relu"},
                 {"Log", "log"},
-                {"LRN", "lrn"},
                 {"Neg", "neg"},
                 {"NonMaxSuppression", "nonmaxsuppression"},
                 {"Reciprocal", "recip"},

src/onnx/parse_lrn.cpp

+#include <migraphx/onnx/op_parser.hpp>
+#include <migraphx/ranges.hpp>
+#include <migraphx/make_op.hpp>
+#include <migraphx/instruction.hpp>
+
+namespace migraphx {
+inline namespace MIGRAPHX_INLINE_NS {
+namespace onnx {
+
+struct parse_lrn : op_parser<parse_lrn>
+{
+    std::vector<op_desc> operators() const { return {{"LRN", "lrn"}}; }
+
+    instruction_ref parse(const op_desc& opd,
+                          const onnx_parser& parser,
+                          onnx_parser::node_info info,
+                          std::vector<instruction_ref> args) const
+    {
+        auto op   = parser.load(opd.op_name, info);
+        auto& arg = args.front();
+        auto type = arg->get_shape().type();
+        if(type == shape::half_type)
+        {
+            arg =
+                info.add_instruction(make_op("convert", {{"target_type", shape::float_type}}), arg);
+        }
+        auto ret = info.add_instruction(op, arg);
+        if(type == shape::half_type)
+        {
+            ret =
+                info.add_instruction(make_op("convert", {{"target_type", shape::half_type}}), ret);
+        }
+        return ret;
+    }
+};
+
+} // namespace onnx
+} // namespace MIGRAPHX_INLINE_NS
+} // namespace migraphx