//===- 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 |