- //===- DCE.h - Dead code elimination ----------------------------*- 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 file provides the interface for the Dead Code Elimination pass. 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #ifndef LLVM_TRANSFORMS_SCALAR_DCE_H 
- #define LLVM_TRANSFORMS_SCALAR_DCE_H 
-   
- #include "llvm/IR/PassManager.h" 
-   
- namespace llvm { 
-   
- class Function; 
-   
- /// Basic Dead Code Elimination pass. 
- class DCEPass : public PassInfoMixin<DCEPass> { 
- public: 
-   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 
- }; 
-   
- class RedundantDbgInstEliminationPass 
-     : public PassInfoMixin<RedundantDbgInstEliminationPass> { 
- public: 
-   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 
- }; 
- } 
-   
- #endif // LLVM_TRANSFORMS_SCALAR_DCE_H 
-