| 1 | //===- DataflowLattice.h ----------------------------------------*- C++ -*-===// |
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| 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 defines base types for building lattices to be used in dataflow |
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| 10 | // analyses that run over Control-Flow Graphs (CFGs). |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #ifndef LLVM_CLANG_ANALYSIS_FLOWSENSITIVE_DATAFLOWLATTICE_H |
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| 15 | #define LLVM_CLANG_ANALYSIS_FLOWSENSITIVE_DATAFLOWLATTICE_H |
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| 16 | |
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| 17 | namespace clang { |
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| 18 | namespace dataflow { |
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| 19 | |
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| 20 | /// Effect indicating whether a lattice operation resulted in a new value. |
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| 21 | enum class LatticeEffect { |
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| 22 | Unchanged, |
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| 23 | Changed, |
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| 24 | }; |
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| 25 | // DEPRECATED. Use `LatticeEffect`. |
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| 26 | using LatticeJoinEffect = LatticeEffect; |
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| 27 | |
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| 28 | } // namespace dataflow |
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| 29 | } // namespace clang |
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| 30 | |
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| 31 | #endif // LLVM_CLANG_ANALYSIS_FLOWSENSITIVE_DATAFLOWLATTICE_H |
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| 32 | |
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