36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
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//===- DeadStoreElimination.h - Fast Dead Store Elimination -----*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements a trivial dead store elimination that only considers
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// basic-block local redundant stores.
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//
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// FIXME: This should eventually be extended to be a post-dominator tree
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// traversal. Doing so would be pretty trivial.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H
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#define LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H
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#include "llvm/IR/PassManager.h"
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namespace llvm {
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class Function;
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/// This class implements a trivial dead store elimination. We consider
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/// only the redundant stores that are local to a single Basic Block.
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class DSEPass : public PassInfoMixin<DSEPass> {
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public:
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PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
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};
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} // end namespace llvm
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#endif // LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H
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