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/*========================== begin_copyright_notice ============================
Copyright (C) 2018-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include <llvm/IR/Instructions.h>
#include <llvm/IR/Function.h>
#include <llvm/IR/Type.h>
#include <llvm/Transforms/Utils/ValueMapper.h>
#include <llvm/Transforms/Utils/Cloning.h>
#include <llvm/ADT/MapVector.h>
#include "common/LLVMWarningsPop.hpp"
class FunctionUpgrader {
private:
llvm::Function *m_pFunction = nullptr;
// map place holder argument with the real argument
llvm::MapVector<llvm::LoadInst *, llvm::Argument *> m_pNewArguments;
std::vector<llvm::LoadInst *> m_placeHolders;
llvm::FunctionType *UpgradeFunctionTypeWithNewArgs();
llvm::Function *UpgradeFunctionWithNewArgs();
void CleanPlaceHoldersArgs();
public:
void SetFunctionToUpgrade(llvm::Function *pFunction);
void Clean();
int SizeArgFromRebuild();
bool IsUsedPlacedHolder(llvm::Value *PlaceHolderToCheck);
llvm::Argument *GetArgumentFromRebuild(llvm::Value *pPlaceHolderArg);
llvm::Argument *GetArgumentFromRebuild(llvm::LoadInst *pPlaceHolderArg);
std::vector<llvm::LoadInst *> GetPlaceholderVec();
llvm::Value *AddArgument(llvm::StringRef argName, llvm::Type *argType);
uint32_t GetArgumentsSize();
llvm::Function *RebuildFunction();
bool NeedToRebuild();
};
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