345     const SCEV *Step = A->getStepRecurrence(SE);  in FactorOutConstant()  local
346     const SCEV *StepRem = SE.getConstant(Step->getType(), 0);  in FactorOutConstant()
347     if (!FactorOutConstant(Step, StepRem, Factor, SE, DL))  in FactorOutConstant()
354     S = SE.getAddRecExpr(Start, Step, A->getLoop(),  in FactorOutConstant()
1143   const SCEV *Step = AR->getStepRecurrence(SE);  in IsIncrementNSW()  local
1144   const SCEV *OpAfterExtend = SE.getAddExpr(SE.getSignExtendExpr(Step, WideTy),  in IsIncrementNSW()
1147     SE.getSignExtendExpr(SE.getAddExpr(AR, Step), WideTy);  in IsIncrementNSW()
1157   const SCEV *Step = AR->getStepRecurrence(SE);  in IsIncrementNUW()  local
1158   const SCEV *OpAfterExtend = SE.getAddExpr(SE.getZeroExtendExpr(Step, WideTy),  in IsIncrementNUW()
1161     SE.getZeroExtendExpr(SE.getAddExpr(AR, Step), WideTy);  in IsIncrementNUW()
1291   const SCEV *Step = Normalized->getStepRecurrence(SE);  in getAddRecExprPHILiterally()  local
1295   bool useSubtract = !ExpandTy->isPointerTy() && Step->isNonConstantNegative();  in getAddRecExprPHILiterally()
1297     Step = SE.getNegativeSCEV(Step);  in getAddRecExprPHILiterally()
1300       Step, IntTy, &*L->getHeader()->getFirstInsertionPt(), false);  in getAddRecExprPHILiterally()
1380   const SCEV *Step = Normalized->getStepRecurrence(SE);  in expandAddRecExprLiterally()  local
1382   if (!SE.dominates(Step, L->getHeader())) {  in expandAddRecExprLiterally()
1383     PostLoopScale = Step;  in expandAddRecExprLiterally()
1384     Step = SE.getConstant(Normalized->getType(), 1);  in expandAddRecExprLiterally()
1394                              Start, Step, Normalized->getLoop(),  in expandAddRecExprLiterally()
1450         !ExpandTy->isPointerTy() && Step->isNonConstantNegative();  in expandAddRecExprLiterally()
1452         Step = SE.getNegativeSCEV(Step);  in expandAddRecExprLiterally()
1458             Step, IntTy, &*L->getHeader()->getFirstInsertionPt(), false);  in expandAddRecExprLiterally()
2376   const SCEV *Step = AR->getStepRecurrence(SE);  in generateOverflowCheck()  local
2395   Value *StepValue = expandCodeForImpl(Step, Ty, Loc, false);  in generateOverflowCheck()
2397       expandCodeForImpl(SE.getNegativeSCEV(Step), Ty, Loc, false);  in generateOverflowCheck()
2418     if (!Signed && Start->isZero() && SE.isKnownPositive(Step))  in generateOverflowCheck()
2425     if (Step->isOne()) {  in generateOverflowCheck()
2441     bool NeedPosCheck = !SE.isKnownNegative(Step);  in generateOverflowCheck()
2442     bool NeedNegCheck = !SE.isKnownPositive(Step);  in generateOverflowCheck()
2595       const SCEV *Step = AR->getStepRecurrence(SE);  in follow()  local
2596       if (!AR->isAffine() && !SE.dominates(Step, AR->getLoop()->getHeader())) {  in follow()