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//===- ReducerWorkItem.h - Wrapper for Module -------------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLVM_REDUCE_REDUCERWORKITEM_H
#define LLVM_TOOLS_LLVM_REDUCE_REDUCERWORKITEM_H
#include "llvm/IR/Module.h"
#include <memory>
namespace llvm {
class LLVMContext;
class MachineModuleInfo;
class MemoryBufferRef;
class raw_ostream;
class TargetMachine;
class TestRunner;
struct BitcodeLTOInfo;
class ReducerWorkItem {
public:
std::shared_ptr<Module> M;
std::unique_ptr<BitcodeLTOInfo> LTOInfo;
std::unique_ptr<MachineModuleInfo> MMI;
ReducerWorkItem();
~ReducerWorkItem();
ReducerWorkItem(ReducerWorkItem &) = delete;
ReducerWorkItem(ReducerWorkItem &&) = default;
bool isMIR() const { return MMI != nullptr; }
LLVMContext &getContext() {
return M->getContext();
}
Module &getModule() { return *M; }
const Module &getModule() const { return *M; }
operator Module &() const { return *M; }
void print(raw_ostream &ROS, void *p = nullptr) const;
bool verify(raw_fd_ostream *OS) const;
std::unique_ptr<ReducerWorkItem> clone(const TargetMachine *TM) const;
/// Return a number to indicate whether there was any reduction progress.
uint64_t getComplexityScore() const {
return isMIR() ? computeMIRComplexityScore() : computeIRComplexityScore();
}
void writeOutput(raw_ostream &OS, bool EmitBitcode) const;
void readBitcode(MemoryBufferRef Data, LLVMContext &Ctx, StringRef ToolName);
void writeBitcode(raw_ostream &OutStream) const;
bool isReduced(const TestRunner &Test) const;
private:
uint64_t computeIRComplexityScore() const;
uint64_t computeMIRComplexityScore() const;
};
std::pair<std::unique_ptr<ReducerWorkItem>, bool>
parseReducerWorkItem(StringRef ToolName, StringRef Filename, LLVMContext &Ctxt,
std::unique_ptr<TargetMachine> &TM, bool IsMIR);
} // namespace llvm
#endif
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