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File indexing completed on 2026-05-10 08:44:44

0001 //===-- UnifyFunctionExitNodes.h - Ensure fn's have one return --*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // This pass is used to ensure that functions have at most one return and one
0010 // unreachable instruction in them.
0011 //
0012 //===----------------------------------------------------------------------===//
0013 
0014 #ifndef LLVM_TRANSFORMS_UTILS_UNIFYFUNCTIONEXITNODES_H
0015 #define LLVM_TRANSFORMS_UTILS_UNIFYFUNCTIONEXITNODES_H
0016 
0017 #include "llvm/IR/PassManager.h"
0018 #include "llvm/Pass.h"
0019 
0020 namespace llvm {
0021 
0022 class UnifyFunctionExitNodesPass
0023     : public PassInfoMixin<UnifyFunctionExitNodesPass> {
0024 public:
0025   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
0026 };
0027 
0028 } // end namespace llvm
0029 
0030 #endif // LLVM_TRANSFORMS_UTILS_UNIFYFUNCTIONEXITNODES_H