1 files changed, 45 insertions, 0 deletions
diff --git a/compiler/mir/src/ops/SliceOp.cpp b/compiler/mir/src/ops/SliceOp.cpp
new file mode 100644
index 000000000..6e65be70a
--- /dev/null
+++ b/compiler/mir/src/ops/SliceOp.cpp
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018 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 "mir/ops/SliceOp.h"
+
+namespace mir
+{
+namespace ops
+{
+
+// Only supports 4d inputs
+void SliceOp::inferOutputTypes()
+{
+  const Shape &input_shape = getInputShape(0);
+  assert(input_shape.rank() <= 4 && "Support only 4D tensors or smaller");
+  Shape output_shape(input_shape.rank());
+  for (int i = 0; i < input_shape.rank(); i++)
+  {
+    if (_sizes.dim(i) == -1)
+    {
+      output_shape.dim(i) = input_shape.dim(i) - _starts.dim(i);
+    }
+    else
+    {
+      output_shape.dim(i) = _sizes.dim(i);
+    }
+  }
+  setOutputType(0, {getInput(0)->getElementType(), output_shape});
+}
+
+} // namespace ops
+} // namespace mir