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 21namespace clang { 22namespace 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. 28ProgramStateRef 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