1 //===-- llvm/AutoUpgrade.h - AutoUpgrade Helpers ----------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // These functions are implemented by lib/IR/AutoUpgrade.cpp.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_AUTOUPGRADE_H
15 #define LLVM_AUTOUPGRADE_H
24 /// This is a more granular function that simply checks an intrinsic function
25 /// for upgrading, and returns true if it requires upgrading. It may return
26 /// null in NewFn if the all calls to the original intrinsic function
27 /// should be transformed to non-function-call instructions.
28 bool UpgradeIntrinsicFunction(Function *F, Function *&NewFn);
30 /// This is the complement to the above, replacing a specific call to an
31 /// intrinsic function with a call to the specified new function.
32 void UpgradeIntrinsicCall(CallInst *CI, Function *NewFn);
34 /// This is an auto-upgrade hook for any old intrinsic function syntaxes
35 /// which need to have both the function updated as well as all calls updated
36 /// to the new function. This should only be run in a post-processing fashion
37 /// so that it can update all calls to the old function.
38 void UpgradeCallsToIntrinsic(Function* F);
40 /// This checks for global variables which should be upgraded. It returns true
41 /// if it requires upgrading.
42 bool UpgradeGlobalVariable(GlobalVariable *GV);
44 /// If the TBAA tag for the given instruction uses the scalar TBAA format,
45 /// we upgrade it to the struct-path aware TBAA format.
46 void UpgradeInstWithTBAATag(Instruction *I);
47 } // End llvm namespace