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File indexing completed on 2026-05-10 08:44:41
0001 //===- DeadStoreElimination.h - Fast Dead Store Elimination -----*- 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 file implements a trivial dead store elimination that only considers 0010 // basic-block local redundant stores. 0011 // 0012 // FIXME: This should eventually be extended to be a post-dominator tree 0013 // traversal. Doing so would be pretty trivial. 0014 // 0015 //===----------------------------------------------------------------------===// 0016 0017 #ifndef LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H 0018 #define LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H 0019 0020 #include "llvm/IR/PassManager.h" 0021 0022 namespace llvm { 0023 0024 class Function; 0025 0026 /// This class implements a trivial dead store elimination. We consider 0027 /// only the redundant stores that are local to a single Basic Block. 0028 class DSEPass : public PassInfoMixin<DSEPass> { 0029 public: 0030 PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM); 0031 }; 0032 0033 } // end namespace llvm 0034 0035 #endif // LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H
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