//===---------------- ConfigureAltPipe.h -------------------===//
//
//                     The LLVM Compiler Infrastructure
//
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// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
#ifndef LLVM_SCALAR_CONFIGURE_ALT_PIPE_H
#define LLVM_SCALAR_CONFIGURE_ALT_PIPE_H

#include "llvm/ADT/StringRef.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/PassInstrumentation.h"
#include "llvm/IR/PassManager.h"

namespace llvm {
struct PipelineBranchOptions {
  enum class BranchType { Fork, FilterPasses } Type;
  enum class TargetType { Loop, Function } Target;
  bool Disable = true;
  std::string Identifier;
  PipelineBranchOptions(std::string Identifier, BranchType Type,
                        TargetType Target = TargetType::Function)
      : Identifier(Identifier), Type(Type), Disable(Disable), Target(Target) {}
};

class ConfigurePipelineBranchPass : public PassInfoMixin<ConfigurePipelineBranchPass> {
private:
  PipelineBranchOptions Opts;
  bool Push;
  PassInstrumentation *PI;
public:
  ConfigurePipelineBranchPass(PipelineBranchOptions Opts =
    PipelineBranchOptions("", PipelineBranchOptions::BranchType::Fork), bool Push = true)
      : Opts(Opts), Push(Push) {}
  PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
  PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
  void pushForkCallBack(Module &M, PipelineBranchOptions &Opts);
  void popForkCallBack(Module &M, PipelineBranchOptions &Opts);
};
} // namespace llvm
#endif // LLVM_SCALAR_CONFIGURE_ALT_PIPE_H