Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===--------- Definition of the MemProfiler 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 file declares the MemProfiler class.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROFILER_H

#define LLVM_TRANSFORMS_INSTRUMENTATION_MEMPROFILER_H

#include "llvm/IR/PassManager.h"

namespace llvm {

class Function;

class FunctionPass;

class Module;

class ModulePass;

/// Public interface to the memory profiler pass for instrumenting code to

/// profile memory accesses.

///

/// The profiler itself is a function pass that works by inserting various

/// calls to the MemProfiler runtime library functions. The runtime library

/// essentially replaces malloc() and free() with custom implementations that

/// record data about the allocations.

class MemProfilerPass : public PassInfoMixin<MemProfilerPass> {

public:

  explicit MemProfilerPass();

  PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);

  static bool isRequired() { return true; }

};

/// Public interface to the memory profiler module pass for instrumenting code

/// to profile memory allocations and accesses.

class ModuleMemProfilerPass : public PassInfoMixin<ModuleMemProfilerPass> {

public:

  explicit ModuleMemProfilerPass();

  PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);

  static bool isRequired() { return true; }

};

// Insert MemProfiler instrumentation

FunctionPass *createMemProfilerFunctionPass();

ModulePass *createModuleMemProfilerLegacyPassPass();

} // namespace llvm

#endif