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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- DeadStoreElimination.h - Fast Dead Store Elimination -----*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file implements a trivial dead store elimination that only considers |
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| 10 | // basic-block local redundant stores. |
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| 11 | // |
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| 12 | // FIXME: This should eventually be extended to be a post-dominator tree |
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| 13 | // traversal. Doing so would be pretty trivial. |
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| 14 | // |
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| 15 | //===----------------------------------------------------------------------===// |
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| 16 | |||
| 17 | #ifndef LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H |
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| 18 | #define LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H |
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| 19 | |||
| 20 | #include "llvm/IR/PassManager.h" |
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| 21 | |||
| 22 | namespace llvm { |
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| 23 | |||
| 24 | class Function; |
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| 25 | |||
| 26 | /// This class implements a trivial dead store elimination. We consider |
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| 27 | /// only the redundant stores that are local to a single Basic Block. |
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| 28 | class DSEPass : public PassInfoMixin<DSEPass> { |
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| 29 | public: |
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| 30 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM); |
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| 31 | }; |
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| 32 | |||
| 33 | } // end namespace llvm |
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| 34 | |||
| 35 | #endif // LLVM_TRANSFORMS_SCALAR_DEADSTOREELIMINATION_H |