| //===- DataflowLattice.h ----------------------------------------*- 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 defines base types for building lattices to be used in dataflow |
| // analyses that run over Control-Flow Graphs (CFGs). |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_ANALYSIS_FLOWSENSITIVE_DATAFLOWLATTICE_H |
| #define LLVM_CLANG_ANALYSIS_FLOWSENSITIVE_DATAFLOWLATTICE_H |
| |
| namespace clang { |
| namespace dataflow { |
| |
| /// Effect indicating whether a lattice operation resulted in a new value. |
| enum class LatticeEffect { |
| Unchanged, |
| Changed, |
| }; |
| // DEPRECATED. Use `LatticeEffect`. |
| using LatticeJoinEffect = LatticeEffect; |
| |
| } // namespace dataflow |
| } // namespace clang |
| |
| #endif // LLVM_CLANG_ANALYSIS_FLOWSENSITIVE_DATAFLOWLATTICE_H |
