!10295 [MS_LITE] fix graph input

From: @YeFeng_24
Reviewed-by: @hangangqiang
Signed-off-by: @hangangqiang

mindspore/lite/src/executor.cc

@@ -49,6 +49,11 @@ int Executor::Run(std::vector<Tensor *> &in_tensors, std::vector<Tensor *> &out_
     MS_LOG(ERROR) << "CheckInputs failed";
     return ret;
   }
+  MS_ASSERT(std::all_of(kernels.begin(), kernels.end(), [](kernel::LiteKernel *kernel) {
+    return std::all_of(kernel->in_tensors().begin(), kernel->in_tensors().end(), [](Tensor *in_tensor) {
+      return in_tensor->IsConst() || in_tensor->IsGraphInput() || in_tensor->ref_count() == 0;
+    });
+  }));
   std::queue<kernel::LiteKernel *> kernel_queue;
   for (auto kernel : kernels) {
     if (kernel->IsReady(kernel->in_tensors())) {

mindspore/lite/src/lite_kernel.cc

@@ -231,7 +231,7 @@ std::vector<kernel::LiteKernel *> LiteKernelUtil::SubgraphInputNodes(const std::
     auto all_input_tensors = kernel->in_tensors();
     // remove all const tensor from input tensors
     for (auto iter = all_input_tensors.begin(); iter != all_input_tensors.end();) {
-      if ((*iter)->IsConst() || (*iter)->IsGraphInput()) {
+      if ((*iter)->IsConst()) {
         iter = all_input_tensors.erase(iter);
       } else {
         iter++;

mindspore/lite/src/lite_session.cc

@@ -179,6 +179,9 @@ int LiteSession::ConvertTensors(const lite::Model *model) {
     if (IsContain(model_input_indices, i)) {
       dst_tensor->set_category(Tensor::GRAPH_INPUT);
     }
+    if (src_tensor->name() != nullptr) {
+      dst_tensor->set_tensor_name(src_tensor->name()->str());
+    }
     this->tensors_.emplace_back(dst_tensor);
   }
   return RET_OK;
@@ -306,6 +309,9 @@ void LiteSession::InitGraphOutputTensorMap(const lite::Model *model) {
       return;
     }
     this->output_tensor_map_.insert(std::make_pair(std::to_string(graph_out_index), out_tensor));
+    if (!out_tensor->tensor_name().empty()) {
+      this->output_tensor_map_.insert(std::make_pair(out_tensor->tensor_name(), out_tensor));
+    }
   }
 }
 

mindspore/lite/src/tensor.h

@@ -65,6 +65,10 @@ class Tensor : public mindspore::tensor::MSTensor {
 
   virtual bool operator==(const Tensor &tensor);
 
+  void set_tensor_name(std::string name) { tensor_name_ = name; }
+
+  std::string tensor_name() const { return tensor_name_; }
+
   TypeId data_type() const override { return data_type_; }
 
   void set_data_type(TypeId data_type) { data_type_ = data_type; }
@@ -162,6 +166,7 @@ class Tensor : public mindspore::tensor::MSTensor {
   }
 
  protected:
+  std::string tensor_name_;
   void *data_ = nullptr;
   void *device_data_ = nullptr;
   TypeId data_type_;

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

@@ -185,7 +185,6 @@ STATUS CaffeModelParser::ConvertGraphInputs() {
       parameter->set_abstract(abstract_tensor);
       parameter->set_name("graph_input-" + std::to_string(i));
       nodes_.insert(std::pair(layer.top(0), parameter));
-      return RET_OK;
     }
   }