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Diffstat (limited to 'compiler/moco-tf/src/Canonicalization/IdentityCanonicalizer.cpp')
-rw-r--r-- | compiler/moco-tf/src/Canonicalization/IdentityCanonicalizer.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/compiler/moco-tf/src/Canonicalization/IdentityCanonicalizer.cpp b/compiler/moco-tf/src/Canonicalization/IdentityCanonicalizer.cpp new file mode 100644 index 000000000..3b680cf04 --- /dev/null +++ b/compiler/moco-tf/src/Canonicalization/IdentityCanonicalizer.cpp @@ -0,0 +1,78 @@ +/* + * 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 "IdentityCanonicalizer.h" + +#include "Convert.h" + +#include <moco/IR/TFDialect.h> + +#include <moco/Names.h> +#include <moco/Log.h> + +namespace +{ + +bool canonicalize_identity(loco::Graph *graph, moco::TFIdentity *node) +{ + LOGGER(l); + + /** + * @note This will replace TFIdentity node with Canonical Forward + * + * Before + * A -- TFIdentity -- C + * + * After + * /- TFIdentity -- + * A -- Forward -- C + * + * Where + * A : input of TFIdentity + * C : a node that uses TFIdentity as an input + * TFIdentity is disconnected from the output + */ + + INFO(l) << "TFNodeCanonicalize TFIdentity begin"; + + auto forward_node = graph->nodes()->create<loco::Forward>(); + + auto node_A = node->input(); + + forward_node->input(node_A); + + // update graph + replace(node).with(forward_node); + + INFO(l) << "TFNodeCanonicalize TFIdentity done"; + + return true; +} + +} // namespace + +namespace moco +{ +namespace tf +{ + +bool IdentityCanonicalizer::transform(TFIdentity *node) const +{ + return canonicalize_identity(node->graph(), node); +} + +} // namespace tf +} // namespace moco |