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, IFuncsToLower: {});
26 return PreservedAnalyses::none();
27}
28