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-exception 6// 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