[loco] Introduce TensorAxisSet (#7444)

* [loco] Introduce TensorAxisSet

This commit will introduce `TensorAxisSet`, which is a set of `TensorAxis`

Signed-off-by: Seok NamKoong <sk.namkoong@samsung.com>

* apply feedbacks

* remove redundant headers

2 files changed, 61 insertions, 0 deletions

diff --git a/compiler/loco/include/loco/IR/TensorAxisSet.h b/compiler/loco/include/loco/IR/TensorAxisSet.h
new file mode 100644
index 000000000..240dcc556
--- /dev/null
+++ b/compiler/loco/include/loco/IR/TensorAxisSet.h
@@ -0,0 +1,42 @@
+/*
+ * 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 __LOCO_IR_TENSOR_AXIS_SET_H__
+#define __LOCO_IR_TENSOR_AXIS_SET_H__
+
+#include "loco/IR/TensorAxis.h"
+
+#include <set>
+
+namespace loco
+{
+
+class TensorAxisSet final
+{
+public:
+  TensorAxisSet() = default;
+
+public:
+  bool defined(const TensorAxis &axis) const { return _axes.find(axis) != _axes.end(); }
+  void insert(const TensorAxis &axis) { _axes.insert(axis); }
+
+private:
+  std::set<TensorAxis> _axes;
+};
+
+} // namespace loco
+
+#endif // __LOCO_IR_TENSOR_AXIS_SET_H__
diff --git a/compiler/loco/src/IR/TensorAxisSet.cpp b/compiler/loco/src/IR/TensorAxisSet.cpp
new file mode 100644
index 000000000..c58237bf7
--- /dev/null
+++ b/compiler/loco/src/IR/TensorAxisSet.cpp
@@ -0,0 +1,19 @@
+/*
+ * 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.
+ */
+
+#include "loco/IR/TensorAxisSet.h"
+
+// NOTE This file validates "TensorAxisSet.h". Please DO NOT remove this file.