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Diffstat (limited to 'compiler/moco-tf/src/TFEltwiseBinaryCanonicalzeHelper.h')
-rw-r--r-- | compiler/moco-tf/src/TFEltwiseBinaryCanonicalzeHelper.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/compiler/moco-tf/src/TFEltwiseBinaryCanonicalzeHelper.h b/compiler/moco-tf/src/TFEltwiseBinaryCanonicalzeHelper.h new file mode 100644 index 000000000..df9aec144 --- /dev/null +++ b/compiler/moco-tf/src/TFEltwiseBinaryCanonicalzeHelper.h @@ -0,0 +1,117 @@ +/* + * 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 __TF_ELTWISE_BINARY_CANONICALIZE_HELPER_H__ +#define __TF_ELTWISE_BINARY_CANONICALIZE_HELPER_H__ + +#include <moco/IR/TFDialect.h> +#include <moco/IR/TFNodes.h> + +#include "CanonicalEltwiseInputConnector.h" +#include "BroadcastHelper.h" + +#include <loco/IR/Nodes.h> +#include <loco/IR/NodeShape.h> +#include <loco/Service/ShapeInference.h> + +#include <fipe.h> + +namespace +{ + +template <typename TFNodeT> struct EltwiseBinaryCanonicalizationRule; + +template <> struct EltwiseBinaryCanonicalizationRule<moco::TFAdd> +{ + using CanonicalNode = loco::EltwiseAdd; +}; + +template <> struct EltwiseBinaryCanonicalizationRule<moco::TFSub> +{ + using CanonicalNode = loco::EltwiseSub; +}; + +template <> struct EltwiseBinaryCanonicalizationRule<moco::TFMaximum> +{ + using CanonicalNode = loco::EltwiseMax; +}; + +template <> struct EltwiseBinaryCanonicalizationRule<moco::TFMul> +{ + using CanonicalNode = loco::EltwiseMul; +}; + +template <> struct EltwiseBinaryCanonicalizationRule<moco::TFRealDiv> +{ + using CanonicalNode = loco::EltwiseDiv; +}; + +template <typename TFNode> bool canonicalize_eltwise_binary_node(TFNode *node) +{ + auto graph = node->graph(); + + /** + * This will replace T/F Eltwise Binary node with a corresponding Canonical Eltwise node + * + * BEFORE + * A --- T/F Node --- C + * / + * B ---- + * + * AFTER + * A --- T/F Node --- + * / + * B ---- + * + * A --- [FixedReshape] --- [TensorBroadcast] --- Canonical Node -- C + * / + * B --- [FixedReshape] --- [TensorBroadcast] ---- + * + * NOTE + * - [...] means optional node. They may or may not be created during this procedure. + * - T/F Node is disconnected from C after transformation. + */ + + using CanonicalNodeT = typename EltwiseBinaryCanonicalizationRule<TFNode>::CanonicalNode; + + auto node_A = node->x(); + auto node_B = node->y(); + + if (!loco::shape_known(node_A) || !loco::shape_known(node_B)) + return false; + if (!loco::shape_known(node)) + return false; + + auto out_shape = loco::shape_get(node).template as<loco::TensorShape>(); + + // Create a node + auto canonical_node = graph->nodes()->template create<CanonicalNodeT>(); + + using moco::tf::eltwise::binary::connect_to; + using moco::tf::broadcast_to; + + // update connections + std::make_pair(node_A, node_B) | broadcast_to(out_shape) | connect_to(canonical_node); + + // replace node + replace(node).with(canonical_node); + + return true; +} + +} // namespace + +#endif // __TF_ELTWISE_BINARY_CANONICALIZE_HELPER_H__ |