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 47 /// This function upgrades the old pre-3.0 exception handling system to the 48 /// new one. N.B. This will be removed in 3.1. 49 void UpgradeExceptionHandling(Module *M); 50 } // End llvm namespace 51 52 #endif 53
