CopyProf.h

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//===-- CopyProf.h ----------------------------------------------*- 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 instrumentation passes for CopyProf that insert
// callbacks into special member functions, and add store instrumentation.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_COPYPROF_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_COPYPROF_H
 
#include "llvm/IR/PassManager.h"
 
namespace llvm {
 
// Early-stage pass that instruments special member functions to call into the
// CopyProf runtime.
class CopyProfPass : public PassInfoMixin<CopyProfPass> {
public:
  CopyProfPass() = default;
  LLVM_ABI PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
 
  static bool isRequired() { return true; }
};
 
// Module-level pass that inserts the CopyProf runtime initialization
// constructor and hooks it into @llvm.global_ctors.
class ModuleCopyProfPass : public PassInfoMixin<ModuleCopyProfPass> {
public:
  ModuleCopyProfPass() = default;
  LLVM_ABI PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
 
  static bool isRequired() { return true; }
};
 
// Late-stage pass that instruments store instructions to detect whether an
// object copy has been modified before it is destructed.
class CopyProfStoresPass : public PassInfoMixin<CopyProfStoresPass> {
public:
  CopyProfStoresPass() = default;
  LLVM_ABI PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
 
  static bool isRequired() { return true; }
};
 
} // namespace llvm
 
#endif // LLVM_TRANSFORMS_INSTRUMENTATION_COPYPROF_H