28 lines · cpp
1//===- LowerIFunc.cpp -----------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This file implements replacing calls to ifuncs by introducing indirect calls.10//11//===----------------------------------------------------------------------===//12 13#include "llvm/Transforms/Utils/LowerIFunc.h"14#include "llvm/IR/Module.h"15#include "llvm/Pass.h"16#include "llvm/Transforms/Utils/ModuleUtils.h"17 18using namespace llvm;19 20/// Replace all call users of ifuncs in the module.21PreservedAnalyses LowerIFuncPass::run(Module &M, ModuleAnalysisManager &AM) {22 if (M.ifunc_empty())23 return PreservedAnalyses::all();24 25 lowerGlobalIFuncUsersAsGlobalCtor(M, {});26 return PreservedAnalyses::none();27}28