55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_COMPILER_JIT_SHAPE_INFERENCE_H_
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#define TENSORFLOW_COMPILER_JIT_SHAPE_INFERENCE_H_
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#include <map>
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#include <vector>
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#include "tensorflow/compiler/xla/statusor.h"
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#include "tensorflow/core/common_runtime/optimization_registry.h"
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#include "tensorflow/core/common_runtime/shape_refiner.h"
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#include "tensorflow/core/lib/core/status.h"
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namespace tensorflow {
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struct InferredShape {
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// Shape of the argument tensor.
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PartialTensorShape shape;
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// If the argument is a resource variable, the type and shape of the
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// variable's value.
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DataType handle_type = DT_INVALID;
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PartialTensorShape handle_shape;
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};
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typedef std::unordered_map<string, std::vector<InferredShape>> GraphShapeInfo;
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// Infer shapes for all Tensors in a graph, and save them in a map. The vector
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// for a Node contains the information about each of its outputs.
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// TODO(phawkins): this code does not infer accurate shapes for cyclic graphs.
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Status InferShapes(Graph* graph, const std::map<int, InferredShape>& arg_shapes,
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const tensorflow::FunctionLibraryDefinition* fnlib_def,
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GraphShapeInfo* shape_info);
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// Merges two InferredShapes. Return an error if the two shapes cannot be
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// merged.
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xla::StatusOr<InferredShape> MergeInferredShapes(const InferredShape& a,
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const InferredShape& b);
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} // namespace tensorflow
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#endif // TENSORFLOW_COMPILER_JIT_SHAPE_INFERENCE_H_
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