!5545 fix tflite and caffe single operator question, add tflite custom parser

Merge pull request !5545 from 徐安越/master

mindspore/lite/schema/model.fbs

@@ -194,6 +194,7 @@ union PrimitiveType {
     MakeTuple,
     ToFormat,
     Proposal,
+    Custom,
 }
 
 enum QuantType: int {

mindspore/lite/schema/ops.fbs

@@ -472,6 +472,9 @@ table Neg {
 }
 
 table Exp {
+    base : float;
+    scale : float;
+    shift : float;
 }
 
 table Cos {
@@ -896,3 +899,7 @@ table Proposal {
     post_nms_topn : int;
     nms_thresh : float;
 }
+
+table Custom {
+    custom : [ubyte];
+}

mindspore/lite/src/ops/space_to_batch_nd.cc

@@ -53,7 +53,7 @@ std::vector<int> SpaceToBatchND::GetPaddings() const {
 int SpaceToBatchND::UnPackToFlatBuilder(const schema::Primitive *primitive, flatbuffers::FlatBufferBuilder *fbb) {
   MS_ASSERT(nullptr != primitive);
   MS_ASSERT(nullptr != fbb);
-  auto attr = primitive->value_as_SpaceToBatch();
+  auto attr = primitive->value_as_SpaceToBatchND();
   if (attr == nullptr) {
     MS_LOG(ERROR) << "value_as_SpaceToBatch return nullptr";
     return RET_ERROR;
@@ -71,7 +71,7 @@ int SpaceToBatchND::UnPackToFlatBuilder(const schema::Primitive *primitive, flat
     }
   }
   auto val_offset = schema::CreateSpaceToBatchDirect(*fbb, &blockShape, &paddings);
-  auto prim_offset = schema::CreatePrimitive(*fbb, schema::PrimitiveType_SpaceToBatch, val_offset.o);
+  auto prim_offset = schema::CreatePrimitive(*fbb, schema::PrimitiveType_SpaceToBatchND, val_offset.o);
   fbb->Finish(prim_offset);
   return RET_OK;
 }

mindspore/lite/src/populate_parameter.cc

@@ -111,6 +111,7 @@
 #include "src/ops/squared_difference.h"
 #include "src/ops/ceil.h"
 #include "src/ops/round.h"
+#include "src/ops/sparse_to_dense.h"
 #include "nnacl/op_base.h"
 #include "nnacl/fp32/arg_min_max.h"
 #include "nnacl/fp32/cast.h"
@@ -167,6 +168,7 @@
 #include "nnacl/fp32/embedding_lookup.h"
 #include "nnacl/fp32/elu.h"
 #include "nnacl/leaky_relu_parameter.h"
+#include "nnacl/sparse_to_dense.h"
 
 namespace mindspore::kernel {
 
@@ -678,11 +680,11 @@ OpParameter *PopulateArithmetic(const mindspore::lite::PrimitiveC *primitive) {
       break;
   }
   auto tmp_shape = ((lite::Arithmetic *)primitive)->InShape0();
-  (void)memcpy(arithmetic_param->in_shape0_, static_cast<void *>(tmp_shape.data()), tmp_shape.size() * sizeof(int));
+  memcpy(arithmetic_param->in_shape0_, static_cast<void *>(tmp_shape.data()), tmp_shape.size() * sizeof(int));
   tmp_shape = ((lite::Arithmetic *)primitive)->InShape1();
-  (void)memcpy(arithmetic_param->in_shape1_, static_cast<void *>(tmp_shape.data()), tmp_shape.size() * sizeof(int));
+  memcpy(arithmetic_param->in_shape1_, static_cast<void *>(tmp_shape.data()), tmp_shape.size() * sizeof(int));
   tmp_shape = ((lite::Arithmetic *)primitive)->OutputShape();
-  (void)memcpy(arithmetic_param->out_shape_, static_cast<void *>(tmp_shape.data()), tmp_shape.size() * sizeof(int));
+  memcpy(arithmetic_param->out_shape_, static_cast<void *>(tmp_shape.data()), tmp_shape.size() * sizeof(int));
   return reinterpret_cast<OpParameter *>(arithmetic_param);
 }
 
@@ -1015,6 +1017,18 @@ OpParameter *PopulateSliceParameter(const mindspore::lite::PrimitiveC *primitive
   return reinterpret_cast<OpParameter *>(slice_param);
 }
 
+OpParameter *PopulateSparseToDenseParameter(const mindspore::lite::PrimitiveC *primitive) {
+  SparseToDenseParameter *sparse_to_dense_param =
+          reinterpret_cast<SparseToDenseParameter *>(malloc(sizeof(SparseToDenseParameter)));
+  if (sparse_to_dense_param == nullptr) {
+    MS_LOG(ERROR) << "malloc SparseToDenseParameter failed.";
+    return nullptr;
+  }
+  memset(sparse_to_dense_param, 0, sizeof(SparseToDenseParameter));
+  sparse_to_dense_param->op_parameter_.type_ = primitive->Type();
+  return reinterpret_cast<OpParameter *>(sparse_to_dense_param);
+}
+
 OpParameter *PopulateBroadcastToParameter(const mindspore::lite::PrimitiveC *primitive) {
   BroadcastToParameter *broadcast_param =
       reinterpret_cast<BroadcastToParameter *>(malloc(sizeof(BroadcastToParameter)));
@@ -1205,28 +1219,26 @@ OpParameter *PopulateSpaceToBatchParameter(const mindspore::lite::PrimitiveC *pr
   }
   memset(space_batch_param, 0, sizeof(SpaceToBatchParameter));
   space_batch_param->op_parameter_.type_ = primitive->Type();
-  space_batch_param->op_parameter_.type_ = primitive->Type();
   auto block_sizes = ((mindspore::lite::SpaceToBatch *)primitive)->BlockSizes();
-  (void)memcpy(space_batch_param->block_sizes_, (block_sizes.data()), block_sizes.size() * sizeof(int));
+  memcpy(space_batch_param->block_sizes_, (block_sizes.data()), block_sizes.size() * sizeof(int));
   auto paddings = ((mindspore::lite::SpaceToBatch *)primitive)->Paddings();
-  (void)memcpy(space_batch_param->paddings_, (paddings.data()), paddings.size() * sizeof(int));
+  memcpy(space_batch_param->paddings_, (paddings.data()), paddings.size() * sizeof(int));
   return reinterpret_cast<OpParameter *>(space_batch_param);
 }
 
-OpParameter *PopulateSpaceToBatchParameterND(const mindspore::lite::PrimitiveC *primitivec) {
-  auto *space_batch_param = new (std::nothrow) SpaceToBatchParameter();
-  if (space_batch_param == nullptr) {
+OpParameter *PopulateSpaceToBatchNDParameter(const mindspore::lite::PrimitiveC *primitive) {
+  auto *space_batch_param_nd = new (std::nothrow) SpaceToBatchParameter();
+  if (space_batch_param_nd == nullptr) {
     MS_LOG(ERROR) << "new SpaceToBatchParameter failed.";
     return nullptr;
   }
 
-  mindspore::lite::SpaceToBatchND *primitive = (mindspore::lite::SpaceToBatchND *)primitivec;
-  space_batch_param->op_parameter_.type_ = primitive->Type();
-  auto block_sizes = primitive->GetBlockShape();
-  (void)memcpy(space_batch_param->block_sizes_, (block_sizes.data()), block_sizes.size() * sizeof(int));
-  auto paddings = primitive->GetPaddings();
-  (void)memcpy(space_batch_param->paddings_, (paddings.data()), paddings.size() * sizeof(int));
-  return reinterpret_cast<OpParameter *>(space_batch_param);
+  space_batch_param_nd->op_parameter_.type_ = primitive->Type();
+  auto block_sizes = ((mindspore::lite::SpaceToBatchND *)primitive)->GetBlockShape();
+  memcpy(space_batch_param_nd->block_sizes_, (block_sizes.data()), block_sizes.size() * sizeof(int));
+  auto paddings = ((mindspore::lite::SpaceToBatchND *)primitive)->GetPaddings();
+  memcpy(space_batch_param_nd->paddings_, (paddings.data()), paddings.size() * sizeof(int));
+  return reinterpret_cast<OpParameter *>(space_batch_param_nd);
 }
 
 OpParameter *PopulateResizeParameter(const mindspore::lite::PrimitiveC *primitive) {
@@ -1359,13 +1371,13 @@ OpParameter *PopulateStridedSliceParameter(const mindspore::lite::PrimitiveC *pr
   auto n_dims = ((lite::StridedSlice *)primitive)->NDims();
   strided_slice_param->num_axes_ = n_dims;
   auto begin = ((lite::StridedSlice *)primitive)->GetBegins();
-  (void)memcpy(strided_slice_param->begins_, (begin.data()), begin.size() * sizeof(int));
+  memcpy(strided_slice_param->begins_, (begin.data()), begin.size() * sizeof(int));
   auto end = ((lite::StridedSlice *)primitive)->GetEnds();
-  (void)memcpy(strided_slice_param->ends_, (end.data()), end.size() * sizeof(int));
+  memcpy(strided_slice_param->ends_, (end.data()), end.size() * sizeof(int));
   auto stride = ((lite::StridedSlice *)primitive)->GetStrides();
-  (void)memcpy(strided_slice_param->strides_, (stride.data()), stride.size() * sizeof(int));
+  memcpy(strided_slice_param->strides_, (stride.data()), stride.size() * sizeof(int));
   auto in_shape = ((lite::StridedSlice *)primitive)->GetInShape();
-  (void)memcpy(strided_slice_param->in_shape_, (in_shape.data()), in_shape.size() * sizeof(int));
+  memcpy(strided_slice_param->in_shape_, (in_shape.data()), in_shape.size() * sizeof(int));
   return reinterpret_cast<OpParameter *>(strided_slice_param);
 }
 
@@ -1405,9 +1417,9 @@ OpParameter *PopulatePriorBoxParameter(const mindspore::lite::PrimitiveC *primit
     return nullptr;
   }
   prior_box_param->max_sizes_size = prior_box_attr->GetMaxSizes().size();
-  (void)memcpy(prior_box_param->max_sizes, prior_box_attr->GetMaxSizes().data(),
+  memcpy(prior_box_param->max_sizes, prior_box_attr->GetMaxSizes().data(),
                prior_box_attr->GetMaxSizes().size() * sizeof(int32_t));
-  (void)memcpy(prior_box_param->min_sizes, prior_box_attr->GetMinSizes().data(),
+  memcpy(prior_box_param->min_sizes, prior_box_attr->GetMinSizes().data(),
                prior_box_attr->GetMinSizes().size() * sizeof(int32_t));
 
   if (prior_box_attr->GetAspectRatios().size() > PRIOR_BOX_MAX_NUM) {
@@ -1417,7 +1429,7 @@ OpParameter *PopulatePriorBoxParameter(const mindspore::lite::PrimitiveC *primit
     return nullptr;
   }
   prior_box_param->aspect_ratios_size = prior_box_attr->GetAspectRatios().size();
-  (void)memcpy(prior_box_param->aspect_ratios, prior_box_attr->GetAspectRatios().data(),
+  memcpy(prior_box_param->aspect_ratios, prior_box_attr->GetAspectRatios().data(),
                prior_box_attr->GetAspectRatios().size() * sizeof(float));
   if (prior_box_attr->GetVariances().size() != PRIOR_BOX_VAR_NUM) {
     MS_LOG(ERROR) << "PriorBox variances size should be " << PRIOR_BOX_VAR_NUM << ", got "
@@ -1425,7 +1437,7 @@ OpParameter *PopulatePriorBoxParameter(const mindspore::lite::PrimitiveC *primit
     free(prior_box_param);
     return nullptr;
   }
-  (void)memcpy(prior_box_param->variances, prior_box_attr->GetVariances().data(), PRIOR_BOX_VAR_NUM * sizeof(float));
+  memcpy(prior_box_param->variances, prior_box_attr->GetVariances().data(), PRIOR_BOX_VAR_NUM * sizeof(float));
   prior_box_param->flip = prior_box_attr->GetFlip();
   prior_box_param->clip = prior_box_attr->GetClip();
   prior_box_param->offset = prior_box_attr->GetOffset();
@@ -1501,6 +1513,7 @@ OpParameter *PopulateEluParameter(const mindspore::lite::PrimitiveC *primitive)
 }
 
 PopulateParameterRegistry::PopulateParameterRegistry() {
+  populate_parameter_funcs_[schema::PrimitiveType_SparseToDense] = PopulateSparseToDenseParameter;
   populate_parameter_funcs_[schema::PrimitiveType_SoftMax] = PopulateSoftmaxParameter;
   populate_parameter_funcs_[schema::PrimitiveType_Activation] = PopulateActivationParameter;
   populate_parameter_funcs_[schema::PrimitiveType_Conv2D] = PopulateConvParameter;
@@ -1578,7 +1591,7 @@ PopulateParameterRegistry::PopulateParameterRegistry() {
   populate_parameter_funcs_[schema::PrimitiveType_BatchToSpace] = PopulateBatchToSpaceParameter;
   populate_parameter_funcs_[schema::PrimitiveType_SpaceToDepth] = PopulateSpaceToDepthParameter;
   populate_parameter_funcs_[schema::PrimitiveType_SpaceToBatch] = PopulateSpaceToBatchParameter;
-  populate_parameter_funcs_[schema::PrimitiveType_SpaceToBatchND] = PopulateSpaceToBatchParameterND;
+  populate_parameter_funcs_[schema::PrimitiveType_SpaceToBatchND] = PopulateSpaceToBatchNDParameter;
   populate_parameter_funcs_[schema::PrimitiveType_Crop] = PopulateCropParameter;
   populate_parameter_funcs_[schema::PrimitiveType_Unsqueeze] = PopulateUnsqueezeParameter;
   populate_parameter_funcs_[schema::PrimitiveType_Flatten] = PopulateFlattenParameter;

mindspore/lite/tools/converter/parser/caffe/CMakeLists.txt

@@ -28,4 +28,5 @@ add_library(caffe_parser_mid OBJECT
         ${CMAKE_CURRENT_SOURCE_DIR}/caffe_interp_parser.cc
         ${CMAKE_CURRENT_SOURCE_DIR}/caffe_permute_parser.cc
         ${CMAKE_CURRENT_SOURCE_DIR}/caffe_tile_parser.cc
-        ${CMAKE_CURRENT_SOURCE_DIR}/caffe_tanh_parser.cc)
+        ${CMAKE_CURRENT_SOURCE_DIR}/caffe_tanh_parser.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/caffe_exp_parser.cc)

mindspore/lite/tools/converter/parser/caffe/caffe_argmax_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_argmax_parser.h"
+#include "tools/converter/parser/caffe/caffe_argmax_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_argmax_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_ARGMAX_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_batchnorm_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_batchnorm_parser.h"
+#include "tools/converter/parser/caffe/caffe_batchnorm_parser.h"
 #include <cmath>
 #include <memory>
 #include "tools/common/tensor_util.h"

mindspore/lite/tools/converter/parser/caffe/caffe_batchnorm_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_BATCHNORM_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_concat_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_concat_parser.h"
+#include "tools/converter/parser/caffe/caffe_concat_parser.h"
 #include <memory>
 
 const int32_t CONCAT_DEFAULT_AXIS = 1;

mindspore/lite/tools/converter/parser/caffe/caffe_concat_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_CONCAT_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_conv_base_parser.h

@@ -19,8 +19,8 @@
 
 #include <string>
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_converter.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_converter.h"
+#include "tools/converter/parser/caffe/caffe_converter.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_converter.h

@@ -19,9 +19,9 @@
 
 #include <string>
 #include <memory>
-#include "mindspore/lite/tools/converter/converter.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_model_parser.h"
-#include "mindspore/lite/tools/converter/graphdef_transform.h"
+#include "tools/converter/converter.h"
+#include "tools/converter/parser/caffe/caffe_model_parser.h"
+#include "tools/converter/graphdef_transform.h"
 
 namespace mindspore::lite {
 class CaffeConverter : public Converter {

mindspore/lite/tools/converter/parser/caffe/caffe_convolution_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_convolution_parser.h"
+#include "tools/converter/parser/caffe/caffe_convolution_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_convolution_parser.h

@@ -18,9 +18,9 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_CONVOLUTION_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_conv_base_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_conv_base_parser.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_crop_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_crop_parser.h"
+#include "tools/converter/parser/caffe/caffe_crop_parser.h"
 #include <memory>
 
 const int32_t CROP_AXIS = 2;

mindspore/lite/tools/converter/parser/caffe/caffe_crop_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_CROP_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_deconvolution_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_deconvolution_parser.h"
+#include "tools/converter/parser/caffe/caffe_deconvolution_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_deconvolution_parser.h

@@ -18,9 +18,9 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_DECONVOLUTION_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_conv_base_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_conv_base_parser.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_eltwise_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_eltwise_parser.h"
+#include "tools/converter/parser/caffe/caffe_eltwise_parser.h"
 #include <cmath>
 #include <memory>
 

mindspore/lite/tools/converter/parser/caffe/caffe_eltwise_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_ELTWISE_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_exp_parser.cc

@@ -0,0 +1,69 @@
+/**
+ * Copyright 2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "tools/converter/parser/caffe/caffe_exp_parser.h"
+#include <memory>
+#include <vector>
+
+namespace mindspore {
+namespace lite {
+STATUS CaffeExpParser::Parse(const caffe::LayerParameter &proto,
+                             const caffe::LayerParameter &weight,
+                             schema::CNodeT *op,
+                             std::vector<schema::TensorT *> *weightVec) {
+  MS_LOG(DEBUG) << "parse ExpParser";
+  if (op == nullptr) {
+    MS_LOG(ERROR) << "op is null";
+    return RET_NULL_PTR;
+  }
+  op->primitive = std::make_unique<schema::PrimitiveT>();
+  if (op->primitive == nullptr) {
+    MS_LOG(ERROR) << "op->primitive is null";
+    return RET_NULL_PTR;
+  }
+
+  std::unique_ptr<schema::ExpT> attr = std::make_unique<schema::ExpT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new op failed";
+    return RET_NULL_PTR;
+  }
+
+  const caffe::ExpParameter exp_param = proto.exp_param();
+  if (exp_param.has_base()) {
+    attr->base = exp_param.base();
+  } else {
+    attr->base = -1;  // -1 represent base = e
+  }
+  if (exp_param.has_scale()) {
+    attr->scale = exp_param.scale();
+  } else {
+    attr->scale = 1;
+  }
+  if (exp_param.has_shift()) {
+    attr->shift = exp_param.shift();
+  } else {
+    attr->shift = 0;
+  }
+
+  op->primitive->value.type = schema::PrimitiveType_Exp;
+  op->primitive->value.value = attr.release();
+  return RET_OK;
+}
+
+CaffeNodeRegistrar g_caffeExpParser("Exp", new CaffeExpParser());
+}  // namespace lite
+}  // namespace mindspore
+

mindspore/lite/tools/converter/parser/caffe/caffe_exp_parser.h

@@ -0,0 +1,38 @@
+/**
+ * Copyright 2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_EXP_PARSER_H
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_EXP_PARSER_H
+
+#include <vector>
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+class CaffeExpParser : public CaffeNodeParser {
+ public:
+  CaffeExpParser() : CaffeNodeParser("exp") {}
+
+  STATUS Parse(const caffe::LayerParameter &proto,
+               const caffe::LayerParameter &weight,
+               schema::CNodeT *op,
+               std::vector<schema::TensorT *> *weightVec) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_EXP_PARSER_H

mindspore/lite/tools/converter/parser/caffe/caffe_flatten_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_flatten_parser.h"
+#include "tools/converter/parser/caffe/caffe_flatten_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_flatten_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_FLATTEN_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_innerproduct_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_innerproduct_parser.h"
+#include "tools/converter/parser/caffe/caffe_innerproduct_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_innerproduct_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_INNERPRODUCT_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_inspector.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_inspector.h"
+#include "tools/converter/parser/caffe/caffe_inspector.h"
 #include "utils/log_adapter.h"
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_interp_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_interp_parser.h"
+#include "tools/converter/parser/caffe/caffe_interp_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_interp_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_INTERP_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_model_parser.cc

@@ -91,7 +91,12 @@ schema::MetaGraphT *CaffeModelParser::ParseToFb(const std::string &modelFile, co
 STATUS CaffeModelParser::SetOpInputIdx(const caffe::LayerParameter &layer, schema::CNodeT *op,
                                        TensorCache *tensorCache) {
   for (int i = 0; i < layer.bottom_size(); i++) {
-    int index = tensorCache->FindTensor(layer.bottom(i));
+    int index = -1;
+    if (splitLayer.find(layer.bottom(i)) != splitLayer.end()) {
+      index = tensorCache->FindTensor(splitLayer.find(layer.bottom(i))->second);
+    } else {
+      index = tensorCache->FindTensor(layer.bottom(i));
+    }
     if (index >= 0) {
       op->inputIndex.emplace_back(index);
     } else {
@@ -193,6 +198,10 @@ STATUS CaffeModelParser::ParseLayer(const caffe::NetParameter &proto, const caff
       std::unique_ptr<schema::CNodeT> op = std::make_unique<schema::CNodeT>();
       op->name = layer.name();
 
+      if (layer.type() == "Split") {
+        splitLayer.emplace(layer.name(), layer.bottom(0));
+        continue;
+      }
       auto status = SetOpInputIdx(layer, op.get(), tensorCache);
       if (status != RET_OK) {
         MS_LOG(ERROR) << "Set Op " << layer.name() << " Input Index Failed!";

mindspore/lite/tools/converter/parser/caffe/caffe_model_parser.h

@@ -21,7 +21,8 @@
 #include <vector>
 #include <memory>
 #include <set>
-#include "mindspore/lite/tools/converter/model_parser.h"
+#include <unordered_map>
+#include "tools/converter/model_parser.h"
 #include "tools/converter/parser/caffe/caffe.pb.h"
 #include "tools/common/tensor_util.h"
 
@@ -55,6 +56,8 @@ class CaffeModelParser : public ModelParser {
   STATUS GetModelInput(const caffe::NetParameter &proto, TensorCache *tensorCache);
 
   static const std::set<std::string> skipedLayerType;
+
+  std::unordered_map<std::string, std::string> splitLayer;
 };
 }  // namespace lite
 }  // namespace mindspore

mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
 #include <memory>
 #include "securec/include/securec.h"
 #include "ir/dtype/type_id.h"

mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h

@@ -20,9 +20,9 @@
 #include <string>
 #include <vector>
 #include "google/protobuf/message.h"
-#include "mindspore/lite/schema/inner/model_generated.h"
+#include "schema/inner/model_generated.h"
 #include "tools/converter/parser/caffe/caffe.pb.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
 #include "include/errorcode.h"
 #include "utils/log_adapter.h"
 

mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h

@@ -19,7 +19,7 @@
 
 #include <string>
 #include <unordered_map>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
 #include "tools/converter/parser/caffe/caffe.pb.h"
 
 namespace mindspore::lite {

mindspore/lite/tools/converter/parser/caffe/caffe_permute_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_permute_parser.h"
+#include "tools/converter/parser/caffe/caffe_permute_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_permute_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_PERMUTE_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_pooling_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_pooling_parser.h"
+#include "tools/converter/parser/caffe/caffe_pooling_parser.h"
 #include <memory>
 
 const uint32_t INNERPRODUCT_WINDOW_DEFAULT_VALUE = 0;

mindspore/lite/tools/converter/parser/caffe/caffe_pooling_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_POOLING_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_power_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_power_parser.h"
+#include "tools/converter/parser/caffe/caffe_power_parser.h"
 #include <memory>
 #include <vector>
 

mindspore/lite/tools/converter/parser/caffe/caffe_power_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_POWER_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_prelu_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_prelu_parser.h"
+#include "tools/converter/parser/caffe/caffe_prelu_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_prelu_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_PRELU_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_relu6_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_relu6_parser.h"
+#include "tools/converter/parser/caffe/caffe_relu6_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_relu6_parser.h

@@ -17,8 +17,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_RELU6_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_relu_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_relu_parser.h"
+#include "tools/converter/parser/caffe/caffe_relu_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_relu_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_RELU_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_reshape_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_reshape_parser.h"
+#include "tools/converter/parser/caffe/caffe_reshape_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_reshape_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_RESHAPE_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_scale_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_scale_parser.h"
+#include "tools/converter/parser/caffe/caffe_scale_parser.h"
 #include <memory>
 
 const int32_t NCHW_DIM_C = 1;

mindspore/lite/tools/converter/parser/caffe/caffe_scale_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_SCALE_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_sigmoid_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_sigmoid_parser.h"
+#include "tools/converter/parser/caffe/caffe_sigmoid_parser.h"
 #include <memory>
 
 namespace mindspore {

mindspore/lite/tools/converter/parser/caffe/caffe_sigmoid_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_SIGMOID_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_softmax_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_softmax_parser.h"
+#include "tools/converter/parser/caffe/caffe_softmax_parser.h"
 #include <memory>
 
 static const int32_t CAFFE_SOFTMAX_DEFAULT_AXIS = 1;

mindspore/lite/tools/converter/parser/caffe/caffe_softmax_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_SOFTMAX_PARSER_H_
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

mindspore/lite/tools/converter/parser/caffe/caffe_tile_parser.cc

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_tile_parser.h"
+#include "tools/converter/parser/caffe/caffe_tile_parser.h"
 #include <memory>
 #include <vector>
 

mindspore/lite/tools/converter/parser/caffe/caffe_tile_parser.h

@@ -18,8 +18,8 @@
 #define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_TILE_PARSER_H
 
 #include <vector>
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser.h"
-#include "mindspore/lite/tools/converter/parser/caffe/caffe_node_parser_registry.h"
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
 
 namespace mindspore {
 namespace lite {

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

@@ -212,6 +212,9 @@ STATUS TfliteSingleInputOpParser::Parse(const std::unique_ptr<tflite::OperatorT>
   } else if (std::strcmp(node_name, "Exp") == 0) {
     MS_LOG(DEBUG) << "parse TfliteExpParser";
     auto attr = std::make_unique<schema::ExpT>();
+    attr->base = -1;  // -1 represent base = e
+    attr->scale = 1;
+    attr->shift = 0;
     if (attr == nullptr) {
       MS_LOG(ERROR) << "new op failed";
       return RET_NULL_PTR;

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

@@ -0,0 +1,67 @@
+/**
+ * Copyright 2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "tools/converter/parser/tflite/tflite_custom_parser.h"
+#include <vector>
+#include <memory>
+#include <map>
+
+namespace mindspore {
+namespace lite {
+STATUS TfliteCustomParser::Parse(const std::unique_ptr<tflite::OperatorT> &tflite_op,
+                                 const std::vector<std::unique_ptr<tflite::TensorT>> &tflite_tensors,
+                                 const std::vector<std::unique_ptr<tflite::BufferT>> &tflite_model_buffer,
+                                 schema::CNodeT *op,
+                                 std::vector<int32_t> *tensors_id,
+                                 std::vector<schema::Format> *tensors_format,
+                                 std::map<int, int>  *tensors_id_map) {
+  MS_LOG(DEBUG) << "parse TfliteCustomParser";
+  if (op == nullptr) {
+    MS_LOG(ERROR) << "op is null";
+    return RET_NULL_PTR;
+  }
+  op->primitive = std::make_unique<schema::PrimitiveT>();
+  if (op->primitive == nullptr) {
+    MS_LOG(ERROR) << "op->primitive is null";
+    return RET_NULL_PTR;
+  }
+
+  std::unique_ptr<schema::CustomT> attr = std::make_unique<schema::CustomT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new op failed";
+    return RET_NULL_PTR;
+  }
+
+  const auto &custom_attr = tflite_op->custom_options;
+  attr->custom = custom_attr;
+  op->primitive->value.type = schema::PrimitiveType_Custom;
+  op->primitive->value.value = attr.release();
+
+  for (size_t i = 0; i < tflite_op->inputs.size(); ++i) {
+    AddOpInput(op, tensors_id, tensors_format, tensors_id_map,
+               tflite_op->inputs[i], tensors_id->size(), tflite_tensors.size(), schema::Format_NHWC);
+  }
+  for (size_t i = 0; i < tflite_op->outputs.size(); ++i) {
+    AddOpOutput(op, tensors_id, tensors_format, tensors_id_map,
+               tflite_op->outputs[i], tensors_id->size(), tflite_tensors.size(), schema::Format_NHWC);
+  }
+  return RET_OK;
+}
+
+TfliteNodeRegister g_tfliteCustomParser("Custom", new TfliteCustomParser());
+}  // namespace lite
+}  // namespace mindspore
+

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

@@ -0,0 +1,43 @@
+/**
+ * Copyright 2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TFLITE_CUSTOM_PARSER_H
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TFLITE_CUSTOM_PARSER_H
+
+#include <memory>
+#include <vector>
+#include <map>
+#include "tools/converter/parser/tflite/tflite_node_parser.h"
+#include "tools/converter/parser/tflite/tflite_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+class TfliteCustomParser : public TfliteNodeParser {
+ public:
+  TfliteCustomParser() : TfliteNodeParser("Custom") {}
+
+  STATUS Parse(const std::unique_ptr<tflite::OperatorT> &tflite_op,
+               const std::vector<std::unique_ptr<tflite::TensorT>> &tflite_tensors,
+               const std::vector<std::unique_ptr<tflite::BufferT>> &tflite_model_buffer,
+               schema::CNodeT *op,
+               std::vector<int32_t> *tensors_id,
+               std::vector<schema::Format> *tensors_format,
+               std::map<int, int>  *tensors_id_map) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TFLITE_CUSTOM_PARSER_H

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

@@ -66,6 +66,12 @@ STATUS TfliteSparseToDenseParser::Parse(const std::unique_ptr<tflite::OperatorT>
 
   AddOpInput(op, tensors_id, tensors_format, tensors_id_map,
              tflite_op->inputs[0], tensors_id->size(), tflite_tensors.size(), schema::Format_NHWC);
+  AddOpInput(op, tensors_id, tensors_format, tensors_id_map,
+             tflite_op->inputs[1], tensors_id->size(), tflite_tensors.size(), schema::Format_NHWC);
+  AddOpInput(op, tensors_id, tensors_format, tensors_id_map,
+             tflite_op->inputs[2], tensors_id->size(), tflite_tensors.size(), schema::Format_NHWC);
+  AddOpInput(op, tensors_id, tensors_format, tensors_id_map,
+             tflite_op->inputs[3], tensors_id->size(), tflite_tensors.size(), schema::Format_NHWC);
   AddOpOutput(op, tensors_id, tensors_format, tensors_id_map,
               tflite_op->outputs[0], tensors_id->size(), tflite_tensors.size(), schema::Format_NHWC);
   return RET_OK;

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

@@ -116,6 +116,7 @@ std::map<tflite::BuiltinOperator, std::string> tfMsOpTypeMap{
   {tflite::BuiltinOperator_REVERSE_SEQUENCE, "ReverseSequence"},
   {tflite::BuiltinOperator_UNIQUE, "Unique"},
   {tflite::BuiltinOperator_UNPACK, "Unstack"},
+  {tflite::BuiltinOperator_CUSTOM, "Custom"},
 };
 
 std::map<tflite::ActivationFunctionType, schema::ActivationType> tfMsActivationFunctionMap{