1 files changed, 54 insertions, 0 deletions
diff --git a/compiler/mir-onnx-importer/Op/Dropout.cpp b/compiler/mir-onnx-importer/Op/Dropout.cpp
new file mode 100644
index 000000000..ef6972784
--- /dev/null
+++ b/compiler/mir-onnx-importer/Op/Dropout.cpp
@@ -0,0 +1,54 @@
+/*
+ * 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 "Dropout.h"
+
+#include "AttributeHelpers.h"
+
+namespace mir_onnx
+{
+
+void convertDropoutV1(const onnx::NodeProto &onnx_node, ConverterContext *context)
+{
+  // consumed_inputs attribute not used
+  convertDropoutV6(onnx_node, context);
+}
+
+void convertDropoutV6(const onnx::NodeProto &onnx_node, ConverterContext *context)
+{
+  const auto is_test = getAttributeValue<std::int64_t>(onnx_node, "is_test", 0);
+  if (is_test == 0)
+    throw std::runtime_error("Not supported is_test attribute!");
+
+  convertDropoutV10(onnx_node, context);
+}
+
+void convertDropoutV7(const onnx::NodeProto &onnx_node, ConverterContext *context)
+{
+  convertDropoutV10(onnx_node, context);
+}
+
+void convertDropoutV10(const onnx::NodeProto &onnx_node, ConverterContext *context)
+{
+  std::vector<mir::Operation::Output *> inputs = context->getNodeInputs(onnx_node);
+
+  // ratio attribute not used
+
+  // This is a no-op in inference mode.
+  context->setNodeOutputs(onnx_node, {inputs[0]});
+}
+
+} // namespace mir_onnx