[loco] Introduce PaddingND (#7949)

* [loco] Introduce PaddingND

This commit introduces PaddingND class to loco for supporting Pad.

Signed-off-by: seongwoo <sw4670.chae@samsung.com>
* rename size method to rank.

diff --git a/compiler/loco/include/loco/IR/PaddingND.h b/compiler/loco/include/loco/IR/PaddingND.h
new file mode 100644 (file)
index 0000000..59be739
--- /dev/null
+++ b/compiler/loco/include/loco/IR/PaddingND.h
@@ -0,0 +1,56 @@
+/*
+ * 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_PADDINGND_H__
+#define __LOCO_IR_PADDINGND_H__
+
+#include <cstdint>
+#include <vector>
+
+namespace loco
+{
+
+/**
+ * This class indicates how many pads to add before(front) and after(back) the contents of
+ * tensor in that dimension.
+ */
+class PaddingND final
+{
+
+public:
+  const uint32_t &front(uint32_t dim) const { return _front.at(dim); }
+  uint32_t &front(uint32_t dim) { return _front.at(dim); }
+
+public:
+  const uint32_t &back(uint32_t dim) const { return _back.at(dim); }
+  uint32_t &back(uint32_t dim) { return _back.at(dim); }
+
+public:
+  uint32_t rank(void) const { return _front.size(); }
+  void rank(uint32_t s)
+  {
+    _front.resize(s);
+    _back.resize(s);
+  }
+
+private:
+  std::vector<uint32_t> _front;
+  std::vector<uint32_t> _back;
+};
+
+} // namespace loco
+
+#endif // __LOCO_IR_PADDINGND_H__

diff --git a/compiler/loco/src/IR/PaddingND.test.cpp b/compiler/loco/src/IR/PaddingND.test.cpp
new file mode 100644 (file)
index 0000000..0e20406
--- /dev/null
+++ b/compiler/loco/src/IR/PaddingND.test.cpp
@@ -0,0 +1,32 @@
+/*
+ * 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/PaddingND.h"
+
+#include <gtest/gtest.h>
+
+TEST(PaddingNDTest, default_constructor_ND)
+{
+  loco::PaddingND padding;
+
+  padding.rank(1);
+  padding.front(0) = 1;
+  padding.back(0) = 2;
+
+  ASSERT_EQ(padding.rank(), 1);
+  ASSERT_EQ(padding.front(0), 1);
+  ASSERT_EQ(padding.back(0), 2);
+}