llvm/llvm/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp

//===- UnifyFunctionExitNodes.cpp - Make all functions have a single exit -===//
//
// 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 is used to ensure that functions have at most one return and one
// unreachable instruction in them.
//
//===----------------------------------------------------------------------===//

#include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Type.h"
#include "llvm/Transforms/Utils.h"
usingnamespacellvm;

namespace {

bool unifyUnreachableBlocks(Function &F) { … }

bool unifyReturnBlocks(Function &F) { … }
} // namespace

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