!4975 Fix bug and add tflite models

Merge pull request !4975 from jianghui/master

mindspore/lite/test/models_tflite.cfg

@@ -78,9 +78,9 @@ hiai_cv_labelDetectorModel_v2.tflite
 #hiai_cv_labelDetectorModel_v3.tflite
 hiai_cv_labelDetectorModel_v4.tflite
 hiai_dress_detect.tflite
-#hiai_frozen_inference_graph.tflite
+hiai_frozen_inference_graph.tflite
 hiai_ghostnet.tflite
 hiai_iMaxDN_RGB.tflite
 hiai_iMaxSR_RGB.tflite
 hiai_label_and_video.tflite
-#hiai_lm_inference_graph.tflite
+hiai_lm_inference_graph.tflite

mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.cc

@@ -158,7 +158,7 @@ STATUS TfliteModelParser::ConvertTensor(const std::unique_ptr<tflite::SubGraphT>
     auto isConst = (!tensor_buffer->data.empty());
     if (isConst) {
       CopyConstTensorData(tflite_model_buffer, tflite_tensor.get(), tensor.get());
-    } else if (tensor->dataType == TypeId::kNumberTypeUInt8) {
+    } else if (quantType == QuantType_AwareTraining && tensor->dataType == TypeId::kNumberTypeUInt8) {
       // set in/out tensor to int8 to fit ms-lite op
       tensor->dataType = TypeId::kNumberTypeInt8;
     }
@@ -299,6 +299,7 @@ MetaGraphT *TfliteModelParser::Parse(const std::string &model_file,
                                      const QuantType &quant_type) {
   std::unique_ptr<schema::MetaGraphT> sub_graph = std::make_unique<schema::MetaGraphT>();
   sub_graph->name = "MS_model converted by TF-Lite";
+  quantType = quant_type;
 
   // load graph
   std::unique_ptr<tflite::ModelT> tflite_model = ReadTfliteModel(model_file.c_str());

mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.h

@@ -77,6 +77,7 @@ class TfliteModelParser : public ModelParser {
 
   std::map<std::string, schema::CNodeT *> opMap;
   std::map<const tflite::OperatorT *, schema::CNodeT *> tfliteOpMap;
+  QuantType quantType = QuantType_QUANT_NONE;
 };
 }  // namespace lite
 }  // namespace mindspore