include/llvm/AutoUpgrade.h

   1 //===-- llvm/AutoUpgrade.h - AutoUpgrade Helpers ----------------*- 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 //  These functions are implemented by lib/VMCore/AutoUpgrade.cpp.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_AUTOUPGRADE_H
  15 #define LLVM_AUTOUPGRADE_H
  16
  17 namespace llvm {
  18   class Module;
  19   class GlobalVariable;
  20   class Function;
  21   class CallInst;
  22
  23   /// This is a more granular function that simply checks an intrinsic function
  24   /// for upgrading, and returns true if it requires upgrading. It may return
  25   /// null in NewFn if the all calls to the original intrinsic function
  26   /// should be transformed to non-function-call instructions.
  27   bool UpgradeIntrinsicFunction(Function *F, Function *&NewFn);
  28
  29   /// This is the complement to the above, replacing a specific call to an
  30   /// intrinsic function with a call to the specified new function.
  31   void UpgradeIntrinsicCall(CallInst *CI, Function *NewFn);
  32
  33   /// This is an auto-upgrade hook for any old intrinsic function syntaxes
  34   /// which need to have both the function updated as well as all calls updated
  35   /// to the new function. This should only be run in a post-processing fashion
  36   /// so that it can update all calls to the old function.
  37   void UpgradeCallsToIntrinsic(Function* F);
  38
  39   /// This checks for global variables which should be upgraded. It returns true
  40   /// if it requires upgrading.
  41   bool UpgradeGlobalVariable(GlobalVariable *GV);
  42
  43   /// This function checks debug info intrinsics. If an intrinsic is invalid
  44   /// then this function simply removes the intrinsic.
  45   void CheckDebugInfoIntrinsics(Module *M);
  46 } // End llvm namespace
  47
  48 #endif