llvm/llvm/lib/Transforms/Instrumentation/KCFI.cpp

//===-- KCFI.cpp - Generic KCFI operand bundle lowering ---------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This pass emits generic KCFI indirect call checks for targets that don't
// support lowering KCFI operand bundles in the back-end.
//
//===----------------------------------------------------------------------===//

#include "llvm/Transforms/Instrumentation/KCFI.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/DiagnosticPrinter.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalObject.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Module.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"

usingnamespacellvm;

#define DEBUG_TYPE …

STATISTIC(NumKCFIChecks, "Number of kcfi operands transformed into checks");

namespace {
class DiagnosticInfoKCFI : public DiagnosticInfo { … };
} // namespace

PreservedAnalyses KCFIPass::run(Function &F, FunctionAnalysisManager &AM) { … }