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//===- 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