!6343 [MSLITE] Add converter method for operator 'Split'.

Merge pull request !6343 from wangshaocong/lite_convert

mindspore/lite/src/ops/primitive_c.cc

@@ -418,6 +418,8 @@ std::shared_ptr<PrimitiveC> PrimitiveC::Create(const Primitive &prim, const std:
     return NewPrimitiveC<StridedSlice>(prim, inputs, quantType);
   } else if (op_type == "Cast") {
     return NewPrimitiveC<Cast>(prim, inputs, quantType);
+  } else if (op_type == "Split") {
+    return NewPrimitiveC<Split>(prim, inputs, quantType);
 
 #ifdef SUPPORT_TRAIN
   } else if (op_type == "SoftmaxCrossEntropyWithLogits") {

mindspore/lite/src/ops/split.cc

@@ -29,6 +29,37 @@ void Split::SetSizeSplits(const std::vector<int> &size_splits) {
 }
 void Split::SetSplitDim(int split_dim) { this->primitive_->value.AsSplit()->splitDim = split_dim; }
 
+int Split::UnPackAttr(const Primitive &prim, const std::vector<AnfNodePtr> &inputs) {
+  if (this->primitive_ == nullptr) {
+    this->primitive_ = new (std::nothrow) schema::PrimitiveT;
+    if (this->primitive_ == nullptr) {
+      MS_LOG(ERROR) << "new primitiveT failed";
+      return RET_ERROR;
+    }
+    this->primitive_->value.type = schema::PrimitiveType_Split;
+  }
+  if (this->primitive_->value.type != schema::PrimitiveType_Split) {
+    MS_LOG(ERROR) << "Primitive type is error :" << this->primitive_->value.type;
+    return RET_ERROR;
+  }
+  if (this->primitive_->value.value == nullptr) {
+    auto attr = new (std::nothrow) schema::SplitT();
+    if (attr == nullptr) {
+      MS_LOG(ERROR) << "new primitiveT value failed";
+      return RET_ERROR;
+    }
+    attr->splitDim = GetValue<int32_t>(prim.GetAttr("axis"));
+    attr->numberSplit = GetValue<int32_t>(prim.GetAttr("output_num"));
+    this->primitive_->value.value = attr;
+    if (this->primitive_->value.value == nullptr) {
+      MS_LOG(ERROR) << "primitive value is nullptr";
+      return RET_ERROR;
+    }
+  }
+
+  return RET_OK;
+}
+
 #else
 
 int Split::GetNumberSplit() const { return this->primitive_->value_as_Split()->numberSplit(); }
@@ -99,12 +130,14 @@ int Split::InferShape(std::vector<Tensor *> inputs_, std::vector<Tensor *> outpu
     output_shape.insert(output_shape.begin(), input_shape.begin(), input_shape.end());
     int split_dim_i = input_shape[split_dim];
     // support split size is -1 in the end.
-    if (i == number_split - 1 && size_split[i] == -1) {
+    if (size_split.empty()) {
+      split_dim_i = input_shape[split_dim] / number_split;
+    } else if (i == number_split - 1 && size_split[i] == -1) {
       for (size_t j = 0; j < size_split.size() - 1; ++j) {
         split_dim_i -= size_split[j];
       }
     } else {
-      split_dim_i = size_split.empty() ? input_shape[split_dim] / number_split : size_split[i];
+      split_dim_i = size_split[i];
     }
     output_shape[split_dim] = split_dim_i;
     outputs_[i]->set_shape(output_shape);

mindspore/lite/src/ops/split.h

@@ -35,6 +35,7 @@ class Split : public PrimitiveC {
   void SetNumberSplit(int number_split);
   void SetSizeSplits(const std::vector<int> &size_splits);
   void SetSplitDim(int split_dim);
+  int UnPackAttr(const Primitive &prim, const std::vector<AnfNodePtr> &inputs);
 #else
   Split() = default;
 

mindspore/lite/tools/anf_exporter/anf_exporter.cc

@@ -419,10 +419,13 @@ int AnfExporter::ConvertInputValueNode(std::shared_ptr<AnfNode> input_anode,
         MS_LOG(ERROR) << "Value type is ValueSequence not supported - " << valueAbstract->type_name() << ".";
       }
 #endif
+  } else if (value->isa<Number>()) {
+    MS_LOG(INFO) << "Value is a number.";
+    return RET_OK;
   } else {
-      MS_LOG(ERROR) << "Not support value type , need add support.";
-      return RET_ERROR;
-    }
+    MS_LOG(ERROR) << "Not support value type , need add support.";
+    return RET_ERROR;
+  }
   return RET_OK;
 }