EVOLUTION-MANAGER

Edit File: shape_inference.h

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==============================================================================*/

#ifndef TENSORFLOW_COMPILER_JIT_SHAPE_INFERENCE_H_
#define TENSORFLOW_COMPILER_JIT_SHAPE_INFERENCE_H_

#include <map>
#include <vector>

#include "tensorflow/compiler/xla/statusor.h"
#include "tensorflow/core/common_runtime/optimization_registry.h"
#include "tensorflow/core/common_runtime/shape_refiner.h"
#include "tensorflow/core/lib/core/status.h"

namespace tensorflow {

struct InferredShape {
  // Shape of the argument tensor.
  PartialTensorShape shape;

// If the argument is a resource variable, the type and shape of the
  // variable's value.
  DataType handle_type = DT_INVALID;
  PartialTensorShape handle_shape;
};
typedef std::unordered_map<string, std::vector<InferredShape>> GraphShapeInfo;

// Infer shapes for all Tensors in a graph, and save them in a map.  The vector
// for a Node contains the information about each of its outputs.
// TODO(phawkins): this code does not infer accurate shapes for cyclic graphs.
Status InferShapes(Graph* graph, const std::map<int, InferredShape>& arg_shapes,
                   const tensorflow::FunctionLibraryDefinition* fnlib_def,
                   GraphShapeInfo* shape_info);

// Merges two InferredShapes. Return an error if the two shapes cannot be
// merged.
xla::StatusOr<InferredShape> MergeInferredShapes(const InferredShape& a,
                                                 const InferredShape& b);

}  // namespace tensorflow

#endif  // TENSORFLOW_COMPILER_JIT_SHAPE_INFERENCE_H_