text: //===- MlirOptMain.h - MLIR Optimizer Driver main ---------------*- C++ -*-===//
  //
  // Copyright 2019 The MLIR Authors.
  //
  // 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.
  // =============================================================================
  //
  // Main entry function for mlir-opt for when built as standalone binary.
  //
  //===----------------------------------------------------------------------===//
  
  #include <memory>
  #include <vector>
  
  namespace llvm {
  class raw_ostream;
  class MemoryBuffer;
  } // end namespace llvm
  namespace mlir {
  struct LogicalResult;
  class PassPipelineCLParser;
  
  LogicalResult MlirOptMain(llvm::raw_ostream &os,
                            std::unique_ptr<llvm::MemoryBuffer> buffer,
                            const PassPipelineCLParser &passPipeline,
                            bool splitInputFile, bool verifyDiagnostics,
                            bool verifyPasses);
  
  } // end namespace mlir
  