| 1 | //===--- LoopWidening.h - Widen loops ---------------------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | /// |
| 9 | /// This header contains the declarations of functions which are used to widen |
| 10 | /// loops which do not otherwise exit. The widening is done by invalidating |
| 11 | /// anything which might be modified by the body of the loop. |
| 12 | /// |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_LOOPWIDENING_H |
| 16 | #define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_LOOPWIDENING_H |
| 17 | |
| 18 | #include "clang/Analysis/CFG.h" |
| 19 | #include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h" |
| 20 | |
| 21 | namespace clang { |
| 22 | namespace ento { |
| 23 | |
| 24 | /// Get the states that result from widening the loop. |
| 25 | /// |
| 26 | /// Widen the loop by invalidating anything that might be modified |
| 27 | /// by the loop body in any iteration. |
| 28 | ProgramStateRef getWidenedLoopState(ProgramStateRef PrevState, |
| 29 | const LocationContext *LCtx, |
| 30 | unsigned BlockCount, const Stmt *LoopStmt); |
| 31 | |
| 32 | } // end namespace ento |
| 33 | } // end namespace clang |
| 34 | |
| 35 | #endif |
| 36 |