lib/Transforms/Instrumentation/ProfilingUtils.h

   1 //===- ProfilingUtils.h - Helper functions shared by profilers --*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file defines a few helper functions which are used by profile
  11 // instrumentation code to instrument the code.  This allows the profiler pass
  12 // to worry about *what* to insert, and these functions take care of *how* to do
  13 // it.
  14 //
  15 //===----------------------------------------------------------------------===//
  16
  17 #ifndef PROFILINGUTILS_H
  18 #define PROFILINGUTILS_H
  19
  20 namespace llvm {
  21   class BasicBlock;
  22   class Function;
  23   class GlobalValue;
  24   class Module;
  25   class PointerType;
  26
  27   void InsertProfilingInitCall(Function *MainFn, const char *FnName,
  28                                GlobalValue *Arr = 0,
  29                                PointerType *arrayType = 0);
  30   void IncrementCounterInBlock(BasicBlock *BB, unsigned CounterNum,
  31                                GlobalValue *CounterArray,
  32                                bool beginning = true);
  33   void InsertProfilingShutdownCall(Function *Callee, Module *Mod);
  34 }
  35
  36 #endif