llvm/llvm/tools/bugpoint/BugDriver.h

//===- BugDriver.h - Top-Level BugPoint class -------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This class contains all of the shared state and information that is used by
// the BugPoint tool to track down errors in optimizations.  This class is the
// main driver class that invokes all sub-functionality.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TOOLS_BUGPOINT_BUGDRIVER_H
#define LLVM_TOOLS_BUGPOINT_BUGDRIVER_H

#include "llvm/IR/ValueMap.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Transforms/Utils/ValueMapper.h"
#include <memory>
#include <string>
#include <vector>

namespace llvm {

class Module;
class GlobalVariable;
class Function;
class BasicBlock;
class AbstractInterpreter;
class Instruction;
class LLVMContext;

class CC;

extern bool DisableSimplifyCFG;

/// BugpointIsInterrupted - Set to true when the user presses ctrl-c.
///
extern bool BugpointIsInterrupted;

class BugDriver { … };

struct DiscardTemp { … };

///  Given a bitcode or assembly input filename, parse and return it, or return
///  null if not possible.
///
std::unique_ptr<Module> parseInputFile(StringRef InputFilename,
                                       LLVMContext &ctxt);

/// getPassesString - Turn a list of passes into a string which indicates the
/// command line options that must be passed to add the passes.
///
std::string getPassesString(const std::vector<std::string> &Passes);

/// PrintFunctionList - prints out list of problematic functions
///
void PrintFunctionList(const std::vector<Function *> &Funcs);

/// PrintGlobalVariableList - prints out list of problematic global variables
///
void PrintGlobalVariableList(const std::vector<GlobalVariable *> &GVs);

// DeleteGlobalInitializer - "Remove" the global variable by deleting its
// initializer, making it external.
//
void DeleteGlobalInitializer(GlobalVariable *GV);

// DeleteFunctionBody - "Remove" the function by deleting all of it's basic
// blocks, making it external.
//
void DeleteFunctionBody(Function *F);

/// Given a module and a list of functions in the module, split the functions
/// OUT of the specified module, and place them in the new module.
std::unique_ptr<Module>
SplitFunctionsOutOfModule(Module *M, const std::vector<Function *> &F,
                          ValueToValueMapTy &VMap);

} // End llvm namespace

#endif