370   const SCEV *ScaledReg = nullptr;  member
482   if (!ScaledReg)  in isCanonical()
491   const SCEVAddRecExpr *SAR = dyn_cast<const SCEVAddRecExpr>(ScaledReg);  in isCanonical()
517     assert(ScaledReg && "Expected 1*reg => reg");  in canonicalize()
519     BaseRegs.push_back(ScaledReg);  in canonicalize()
521     ScaledReg = nullptr;  in canonicalize()
526   if (!ScaledReg) {  in canonicalize()
527     ScaledReg = BaseRegs.pop_back_val();  in canonicalize()
534   const SCEVAddRecExpr *SAR = dyn_cast<const SCEVAddRecExpr>(ScaledReg);  in canonicalize()
541       std::swap(ScaledReg, *I);  in canonicalize()
554   BaseRegs.push_back(ScaledReg);  in unscale()
555   ScaledReg = nullptr;  in unscale()
562   if (BaseRegs.size() != 1 || ScaledReg)  in hasZeroEnd()
570   return !!ScaledReg + BaseRegs.size();  in getNumRegs()
577          ScaledReg ? ScaledReg->getType() :  in getType()
591   return S == ScaledReg || is_contained(BaseRegs, S);  in referencesReg()
598   if (ScaledReg)  in hasRegsUsedByUsesOtherThan()
599     if (RegUses.isRegUsedByUsesOtherThan(ScaledReg, LUIdx))  in hasRegsUsedByUsesOtherThan()
632     if (ScaledReg)  in print()
633       OS << *ScaledReg;  in print()
1360   if (const SCEV *ScaledReg = F.ScaledReg) {  in RateFormula()  local
1361     if (VisitedRegs.count(ScaledReg)) {  in RateFormula()
1365     RatePrimaryRegister(F, ScaledReg, Regs, LoserRegs);  in RateFormula()
1544   if (F.ScaledReg) Key.push_back(F.ScaledReg);  in HasFormulaWithSameRegs()
1568   if (F.ScaledReg) Key.push_back(F.ScaledReg);  in InsertFormula()
1576   assert((!F.ScaledReg || !F.ScaledReg->isZero()) &&  in InsertFormula()
1588   if (F.ScaledReg)  in InsertFormula()
1589     Regs.insert(F.ScaledReg);  in InsertFormula()
1607     if (F.ScaledReg) Regs.insert(F.ScaledReg);  in RecomputeRegs()
2669             F.ScaledReg == OrigF.ScaledReg &&  in FindUseWithSimilarFormula()
3411   if (F.ScaledReg)  in CountRegisters()
3412     RegUses.countRegister(F.ScaledReg, LUIdx);  in CountRegisters()
3621   const SCEV *BaseReg = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateReassociationsImpl()
3676         F.ScaledReg = nullptr;  in GenerateReassociationsImpl()
3680       F.ScaledReg = InnerSum;  in GenerateReassociationsImpl()
3793   const SCEV *G = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateSymbolicOffsetsImpl()
3802     F.ScaledReg = G;  in GenerateSymbolicOffsetsImpl()
3837           F.ScaledReg = nullptr;  in GenerateConstantOffsetsImpl()
3842         F.ScaledReg = NewG;  in GenerateConstantOffsetsImpl()
3850   const SCEV *G = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateConstantOffsetsImpl()
3886     F.ScaledReg = G;  in GenerateConstantOffsetsImpl()
3928   if (Base.ScaledReg && Base.ScaledReg->getType()->isPointerTy())  in GenerateICmpZeroScales()
3981     if (F.ScaledReg) {  in GenerateICmpZeroScales()
3982       F.ScaledReg = SE.getMulExpr(F.ScaledReg, FactorS);  in GenerateICmpZeroScales()
3983       if (getExactSDiv(F.ScaledReg, FactorS, SE) != Base.ScaledReg)  in GenerateICmpZeroScales()
4055           F.ScaledReg = Quotient;  in GenerateScales()
4093       if (F.ScaledReg) {  in GenerateTruncates()
4094         const SCEV *NewScaledReg = SE.getAnyExtendExpr(F.ScaledReg, SrcTy);  in GenerateTruncates()
4097         F.ScaledReg = NewScaledReg;  in GenerateTruncates()
4256       if (F.ScaledReg == OrigReg) {  in GenerateCrossUseConstantOffsets()
4267         NewF.ScaledReg = SE.getAddExpr(NegImmS, NewF.ScaledReg);  in GenerateCrossUseConstantOffsets()
4272         if (const SCEVConstant *C = dyn_cast<SCEVConstant>(NewF.ScaledReg))  in GenerateCrossUseConstantOffsets()
4413         if (F.ScaledReg &&  in FilterOutUndesirableDedicatedRegisters()
4414             RegUses.isRegUsedByUsesOtherThan(F.ScaledReg, LUIdx))  in FilterOutUndesirableDedicatedRegisters()
4415           Key.push_back(F.ScaledReg);  in FilterOutUndesirableDedicatedRegisters()
4693       if (!F.ScaledReg)  in NarrowSearchSpaceByFilterFormulaWithSameScaledReg()
4695       auto P = BestFormulae.insert({{F.ScaledReg, F.Scale}, FIdx});  in NarrowSearchSpaceByFilterFormulaWithSameScaledReg()
4875       if (const SCEV *ScaledReg = F.ScaledReg) {  in NarrowSearchSpaceByDeletingCostlyFormulas()  local
4876         if (!UniqRegs.count(ScaledReg)) {  in NarrowSearchSpaceByDeletingCostlyFormulas()
4878               RegNumMap[ScaledReg] / LU.getNotSelectedProbability(ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
4879           if (isa<SCEVAddRecExpr>(ScaledReg))  in NarrowSearchSpaceByDeletingCostlyFormulas()
4881                 RegNumMap[ScaledReg] / LU.getNotSelectedProbability(ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
4906     if (F.ScaledReg)  in NarrowSearchSpaceByDeletingCostlyFormulas()
4907       UniqRegs.insert(F.ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
5033         if ((F.ScaledReg && F.ScaledReg == Reg) ||  in SolveRecurse()
5058           VisitedRegs.insert(F.ScaledReg ? F.ScaledReg : F.BaseRegs[0]);  in SolveRecurse()
5278     const SCEV *ScaledS = F.ScaledReg;  in Expand()