19 static bool isSafeDecreasingBound(const SCEV *Start, const SCEV *BoundSCEV,  in isSafeDecreasingBound()
20                                   const SCEV *Step, ICmpInst::Predicate Pred,  in isSafeDecreasingBound()
53   const SCEV *StepPlusOne = SE.getAddExpr(Step, SE.getOne(Step->getType()));  in isSafeDecreasingBound()
57   const SCEV *Limit = SE.getMinusSCEV(SE.getConstant(Min), StepPlusOne);  in isSafeDecreasingBound()
59   const SCEV *MinusOne =  in isSafeDecreasingBound()
68 static bool isSafeIncreasingBound(const SCEV *Start, const SCEV *BoundSCEV,  in isSafeIncreasingBound()
69                                   const SCEV *Step, ICmpInst::Predicate Pred,  in isSafeIncreasingBound()
100   const SCEV *StepMinusOne = SE.getMinusSCEV(Step, SE.getOne(Step->getType()));  in isSafeIncreasingBound()
104   const SCEV *Limit = SE.getMinusSCEV(SE.getConstant(Max), StepMinusOne);  in isSafeIncreasingBound()
115 static const SCEV *getNarrowestLatchMaxTakenCountEstimate(ScalarEvolution &SE,  in getNarrowestLatchMaxTakenCountEstimate()
117   const SCEV *FromBlock =  in getNarrowestLatchMaxTakenCountEstimate()
167   const SCEV *MaxBETakenCount = getNarrowestLatchMaxTakenCountEstimate(SE, L);  in parseLoopStructure()
178   const SCEV *LeftSCEV = SE.getSCEV(LeftValue);  in parseLoopStructure()
182   const SCEV *RightSCEV = SE.getSCEV(RightValue);  in parseLoopStructure()
197     if (AR->getNoWrapFlags(SCEV::FlagNSW))  in parseLoopStructure()
207       const SCEV *ExtendedStart = SE.getSignExtendExpr(AR->getStart(), WideTy);  in parseLoopStructure()
208       const SCEV *ExtendedStep =  in parseLoopStructure()
219     return AR->getNoWrapFlags(SCEV::FlagNSW) != SCEV::FlagAnyWrap;  in parseLoopStructure()
234   const SCEV *StepRec = IndVarBase->getStepRecurrence(SE);  in parseLoopStructure()
249   const SCEV *StartNext = IndVarBase->getStart();  in parseLoopStructure()
250   const SCEV *Addend = SE.getNegativeSCEV(IndVarBase->getStepRecurrence(SE));  in parseLoopStructure()
251   const SCEV *IndVarStart = SE.getAddExpr(StartNext, Addend);  in parseLoopStructure()
252   const SCEV *Step = SE.getSCEV(StepCI);  in parseLoopStructure()
254   const SCEV *FixedRightSCEV = nullptr;  in parseLoopStructure()
284         if (IndVarBase->getNoWrapFlags(SCEV::FlagNUW) &&  in parseLoopStructure()
348         if (IndVarBase->getNoWrapFlags(SCEV::FlagNUW) &&  in parseLoopStructure()
754     const SCEV *ExitPreLoopAtSCEV = nullptr;  in run()
781     const SCEV *ExitMainLoopAtSCEV = nullptr;  in run()