text: //===- NewPMDriver.h - Function to drive opt with the new PM ----*- C++ -*-===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  /// \file
  ///
  /// A single function which is called to drive the opt behavior for the new
  /// PassManager.
  ///
  /// This is only in a separate TU with a header to avoid including all of the
  /// old pass manager headers and the new pass manager headers into the same
  /// file. Eventually all of the routines here will get folded back into
  /// opt.cpp.
  ///
  //===----------------------------------------------------------------------===//
  
  #ifndef LLVM_TOOLS_OPT_NEWPMDRIVER_H
  #define LLVM_TOOLS_OPT_NEWPMDRIVER_H
  
  namespace llvm {
  class StringRef;
  class LLVMContext;
  class Module;
  class TargetMachine;
  class tool_output_file;
  
  namespace opt_tool {
  enum OutputKind {
    OK_NoOutput,
    OK_OutputAssembly,
    OK_OutputBitcode
  };
  enum VerifierKind {
    VK_NoVerifier,
    VK_VerifyInAndOut,
    VK_VerifyEachPass
  };
  }
  
  /// \brief Driver function to run the new pass manager over a module.
  ///
  /// This function only exists factored away from opt.cpp in order to prevent
  /// inclusion of the new pass manager headers and the old headers into the same
  /// file. It's interface is consequentially somewhat ad-hoc, but will go away
  /// when the transition finishes.
  bool runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
                       TargetMachine *TM, tool_output_file *Out,
                       StringRef PassPipeline, opt_tool::OutputKind OK,
                       opt_tool::VerifierKind VK,
                       bool ShouldPreserveAssemblyUseListOrder,
                       bool ShouldPreserveBitcodeUseListOrder);
  }
  
  #endif
  