1 files changed, 86 insertions, 0 deletions
diff --git a/compiler/moco/lang/include/moco/IR/Nodes/TFPack.h b/compiler/moco/lang/include/moco/IR/Nodes/TFPack.h
new file mode 100644
index 000000000..1046a18ed
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+++ b/compiler/moco/lang/include/moco/IR/Nodes/TFPack.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * 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 __MOCO_IR_TFPACK_H__
+#define __MOCO_IR_TFPACK_H__
+
+#include "moco/IR/TFNodeDecl.h"
+#include "moco/IR/VariadicArityNode.h"
+
+namespace moco
+{
+/// @note TFPack corresponds to the following GraphDef
+/*
+node {
+  name: "Pack"
+  op: "Pack"
+  input: "input_1"
+  input: "input_2"
+  attr {
+    key: "N"
+    value {
+      i: 2
+    }
+  }
+  attr {
+    key: "T"
+    value {
+      type: DT_INT32
+    }
+  }
+  attr {
+    key: "axis"
+    value {
+      i: 0
+    }
+  }
+}
+*/
+
+class TFPack final : public VariadicArityNode<TFNodeImpl<TFOpcode::Pack>>
+{
+public:
+  TFPack(uint32_t arity) : VariadicArityNode<TFNodeImpl<TFOpcode::Pack>>(arity)
+  {
+    // at least one item should exist
+    assert(arity >= 1);
+  }
+
+public:
+  Node *values(uint32_t index) const
+  {
+    assert(index < arity());
+    return at(index)->node();
+  }
+  void values(uint32_t index, Node *node)
+  {
+    assert(index < arity());
+    at(index)->node(node);
+  }
+
+public:
+  uint32_t N(void) const { return arity(); }
+
+  int32_t axis(void) const { return _axis; }
+  void axis(int32_t axis) { _axis = axis; }
+
+private:
+  int32_t _axis{0};
+};
+
+} // namespace moco
+
+#endif // __MOCO_IR_TFPACK_H__