/* Copyright 2020 The TensorFlow Authors. 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 TENSORFLOW_COMPILER_JIT_FORCE_XLA_CONSTANTS_ON_HOST_PASS_H_
#define TENSORFLOW_COMPILER_JIT_FORCE_XLA_CONSTANTS_ON_HOST_PASS_H_

#include "absl/container/flat_hash_set.h"
#include "tensorflow/compiler/jit/compilability_check_util.h"
#include "tensorflow/core/common_runtime/optimization_registry.h"

namespace tensorflow {

// An optimization pass which marks the constants which have to be resolved for
// XLA compilation with `_input_hostmem`.
class ForceXlaConstantsOnHostPass : public GraphOptimizationPass {
 public:
  ForceXlaConstantsOnHostPass() = default;

  absl::Status Run(const GraphOptimizationPassOptions& options) override;
};

}  // namespace tensorflow

#endif  // TENSORFLOW_COMPILER_JIT_FORCE_XLA_CONSTANTS_ON_HOST_PASS_H_
