- //===- DeadStoreElimination.h - Fast Dead Store 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 implements a trivial dead store elimination that only considers 
- // basic-block local redundant stores. 
- // 
- // FIXME: This should eventually be extended to be a post-dominator tree 
- // traversal.  Doing so would be pretty trivial. 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #ifndef LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H 
- #define LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H 
-   
- #include "llvm/IR/PassManager.h" 
-   
- namespace llvm { 
-   
- class Function; 
-   
- /// This class implements a trivial dead store elimination. We consider 
- /// only the redundant stores that are local to a single Basic Block. 
- class DSEPass : public PassInfoMixin<DSEPass> { 
- public: 
-   PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM); 
- }; 
-   
- } // end namespace llvm 
-   
- #endif // LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H 
-