1234                                          const SCEV *Step, BinaryOperator *BOp,  in InductionDescriptor()  argument
1236     : StartValue(Start), IK(K), Step(Step), InductionBinOp(BOp) {  in InductionDescriptor()
1251   assert((IK == IK_FpInduction || Step->getType()->isIntegerTy()) &&  in InductionDescriptor()
1254   assert((IK != IK_FpInduction || Step->getType()->isFloatingPointTy()) &&  in InductionDescriptor()
1270   if (isa<SCEVConstant>(Step))  in getConstIntStepValue()
1271     return dyn_cast<ConstantInt>(cast<SCEVConstant>(Step)->getValue());  in getConstIntStepValue()
1323   const SCEV *Step = SE->getUnknown(Addend);  in isFPInductionPHI()  local
1324   D = InductionDescriptor(StartValue, IK_FpInduction, Step, BOp);  in isFPInductionPHI()
1516   const SCEV *Step = AR->getStepRecurrence(*SE);  in isInductionPHI()  local
1519   const SCEVConstant *ConstStep = dyn_cast<SCEVConstant>(Step);  in isInductionPHI()
1520   if (!ConstStep && !SE->isLoopInvariant(Step, TheLoop))  in isInductionPHI()
1526     D = InductionDescriptor(StartValue, IK_IntInduction, Step, BOp,  in isInductionPHI()
1534   D = InductionDescriptor(StartValue, IK_PtrInduction, Step);  in isInductionPHI()