xref: /external/llvm/lib/Transforms/Instrumentation/ProfilingUtils.h

//===- ProfilingUtils.h - Helper functions shared by profilers --*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines a few helper functions which are used by profile
// instrumentation code to instrument the code.  This allows the profiler pass
// to worry about *what* to insert, and these functions take care of *how* to do
// it.
//
//===----------------------------------------------------------------------===//

#ifndef PROFILINGUTILS_H
#define PROFILINGUTILS_H

namespace llvm {
  class BasicBlock;
  class Function;
  class GlobalValue;
  class Module;
  class PointerType;

  void InsertProfilingInitCall(Function *MainFn, const char *FnName,
                               GlobalValue *Arr = 0,
                               PointerType *arrayType = 0);
  void IncrementCounterInBlock(BasicBlock *BB, unsigned CounterNum,
                               GlobalValue *CounterArray,
                               bool beginning = true);
  void InsertProfilingShutdownCall(Function *Callee, Module *Mod);
}

#endif