!8817 [lite] adjust concat and remove unused attr

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

mindspore/lite/schema/ops.fbs

@@ -168,7 +168,7 @@ table FlattenGrad {
 }
 table Concat {
     axis: int;
-    n: int;
+    n: int;  // DEPRECATED
 }
 
 table SoftMax {
@@ -822,6 +822,7 @@ table Gather {
 }
 
 table GatherNd {
+    batchDims: int;  // DEPRECATED
 }
 
 table Fill {

mindspore/lite/src/ops/concat.cc

@@ -27,10 +27,8 @@ namespace mindspore {
 namespace lite {
 #ifdef PRIMITIVE_WRITEABLE
 int Concat::GetAxis() const { return this->primitive_->value.AsConcat()->axis; }
-int Concat::GetN() const { return this->primitive_->value.AsConcat()->n; }
 
 void Concat::SetAxis(int axis) { this->primitive_->value.AsConcat()->axis = axis; }
-void Concat::SetN(int n) { this->primitive_->value.AsConcat()->n = n; }
 
 int Concat::UnPackAttr(const Primitive &prim, const std::vector<AnfNodePtr> &inputs) {
   if (this->primitive_ == nullptr) {
@@ -71,13 +69,12 @@ int Concat::UnPackToFlatBuilder(const schema::Primitive *primitive, flatbuffers:
     MS_LOG(ERROR) << "value_as_Concat return nullptr";
     return RET_ERROR;
   }
-  auto val_offset = schema::CreateConcat(*fbb, attr->axis(), attr->n());
+  auto val_offset = schema::CreateConcat(*fbb, attr->axis());
   auto prim_offset = schema::CreatePrimitive(*fbb, schema::PrimitiveType_Concat, val_offset.o);
   fbb->Finish(prim_offset);
   return RET_OK;
 }
 int Concat::GetAxis() const { return this->primitive_->value_as_Concat()->axis(); }
-int Concat::GetN() const { return this->primitive_->value_as_Concat()->n(); }
 
 PrimitiveC *ConcatCreator(const schema::Primitive *primitive) { return PrimitiveC::NewPrimitiveC<Concat>(primitive); }
 Registry ConcatRegistry(schema::PrimitiveType_Concat, ConcatCreator);

mindspore/lite/src/ops/concat.h

@@ -33,13 +33,11 @@ class Concat : public PrimitiveC {
   explicit Concat(schema::PrimitiveT *primitive) : PrimitiveC(primitive) {}
   int UnPackAttr(const Primitive &prim, const std::vector<AnfNodePtr> &inputs) override;
   void SetAxis(int axis);
-  void SetN(int n);
 #else
   int UnPackToFlatBuilder(const schema::Primitive *primitive, flatbuffers::FlatBufferBuilder *fbb) override;
 #endif
   int InferShape(std::vector<lite::Tensor *> inputs_, std::vector<lite::Tensor *> outputs_) override;
   int GetAxis() const;
-  int GetN() const;
 };
 }  // namespace lite
 }  // namespace mindspore

mindspore/lite/test/ut/src/scheduler_test.cc

@@ -93,7 +93,6 @@ TEST_F(SchedulerTest, TestConstructSubGraphsTwoBranch) {
   concat->primitive->value.type = mindspore::schema::PrimitiveType_Concat;
   auto concat_primitive = new mindspore::schema::ConcatT;
   concat_primitive->axis = 3;
-  concat_primitive->n = 2;
   concat->primitive->value.value = concat_primitive;
   concat->name = "concat";
 
@@ -255,7 +254,6 @@ TEST_F(SchedulerTest, TestConstructSubGraphsThreeBranch) {
   concat->primitive->value.type = mindspore::schema::PrimitiveType_Concat;
   auto concat_primitive = new mindspore::schema::ConcatT;
   concat_primitive->axis = 3;
-  concat_primitive->n = 2;
   concat->primitive->value.value = concat_primitive;
   concat->name = "concat";
 

mindspore/lite/test/ut/tools/converter/parser/tflite/tflite_concat_parser_test.cc

@@ -35,7 +35,6 @@ TEST_F(TestTfliteParserConcat, AttrValue) {
   ASSERT_NE(meta_graph->nodes.front()->primitive->value.AsConcat(), nullptr);
   auto val = meta_graph->nodes.front()->primitive->value.AsConcat();
   ASSERT_EQ(val->axis, 1);
-  ASSERT_EQ(val->n, 2);
 }
 
 }  // namespace mindspore

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

@@ -60,7 +60,6 @@ STATUS CaffeConcatParser::Parse(const caffe::LayerParameter &proto, const caffe:
     MS_LOG(DEBUG) << "by default, set axis = 1";
     attr->axis = 1;
   }
-  attr->n = proto.bottom_size();
 
   op->name = proto.name();
   op->primitive->value.type = schema::PrimitiveType_Concat;

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

@@ -34,7 +34,6 @@ PrimitiveC *TfliteConcatParser::ParseLitePrimitive(const std::unique_ptr<tflite:
     return nullptr;
   }
   attr->axis = tfliteAttr->axis;
-  attr->n = tflite_op->inputs.size();
   primitive->value.type = schema::PrimitiveType_Concat;
   primitive->value.value = attr.release();
   return PrimitiveC::Create(primitive.release());