372   const SCEV *ScaledReg = nullptr;  member
490   if (!ScaledReg)  in isCanonical()
499   if (containsAddRecDependentOnLoop(ScaledReg, L))  in isCanonical()
522     assert(ScaledReg && "Expected 1*reg => reg");  in canonicalize()
524     BaseRegs.push_back(ScaledReg);  in canonicalize()
526     ScaledReg = nullptr;  in canonicalize()
531   if (!ScaledReg) {  in canonicalize()
532     ScaledReg = BaseRegs.pop_back_val();  in canonicalize()
539   if (!containsAddRecDependentOnLoop(ScaledReg, L)) {  in canonicalize()
544       std::swap(ScaledReg, *I);  in canonicalize()
557   BaseRegs.push_back(ScaledReg);  in unscale()
558   ScaledReg = nullptr;  in unscale()
565   if (BaseRegs.size() != 1 || ScaledReg)  in hasZeroEnd()
573   return !!ScaledReg + BaseRegs.size();  in getNumRegs()
580          ScaledReg ? ScaledReg->getType() :  in getType()
594   return S == ScaledReg || is_contained(BaseRegs, S);  in referencesReg()
601   if (ScaledReg)  in hasRegsUsedByUsesOtherThan()
602     if (RegUses.isRegUsedByUsesOtherThan(ScaledReg, LUIdx))  in hasRegsUsedByUsesOtherThan()
635     if (ScaledReg)  in print()
636       OS << *ScaledReg;  in print()
1365   if (const SCEV *ScaledReg = F.ScaledReg) {  in RateFormula()  local
1366     if (VisitedRegs.count(ScaledReg)) {  in RateFormula()
1370     RatePrimaryRegister(F, ScaledReg, Regs, LoserRegs);  in RateFormula()
1549   if (F.ScaledReg) Key.push_back(F.ScaledReg);  in HasFormulaWithSameRegs()
1573   if (F.ScaledReg) Key.push_back(F.ScaledReg);  in InsertFormula()
1581   assert((!F.ScaledReg || !F.ScaledReg->isZero()) &&  in InsertFormula()
1593   if (F.ScaledReg)  in InsertFormula()
1594     Regs.insert(F.ScaledReg);  in InsertFormula()
1612     if (F.ScaledReg) Regs.insert(F.ScaledReg);  in RecomputeRegs()
2672             F.ScaledReg == OrigF.ScaledReg &&  in FindUseWithSimilarFormula()
3427   if (F.ScaledReg)  in CountRegisters()
3428     RegUses.countRegister(F.ScaledReg, LUIdx);  in CountRegisters()
3662   const SCEV *BaseReg = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateReassociationsImpl()
3717         F.ScaledReg = nullptr;  in GenerateReassociationsImpl()
3721       F.ScaledReg = InnerSum;  in GenerateReassociationsImpl()
3834   const SCEV *G = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateSymbolicOffsetsImpl()
3843     F.ScaledReg = G;  in GenerateSymbolicOffsetsImpl()
3878           F.ScaledReg = nullptr;  in GenerateConstantOffsetsImpl()
3883         F.ScaledReg = NewG;  in GenerateConstantOffsetsImpl()
3891   const SCEV *G = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateConstantOffsetsImpl()
3927     F.ScaledReg = G;  in GenerateConstantOffsetsImpl()
3969   if (Base.ScaledReg && Base.ScaledReg->getType()->isPointerTy())  in GenerateICmpZeroScales()
4025     if (F.ScaledReg) {  in GenerateICmpZeroScales()
4026       F.ScaledReg = SE.getMulExpr(F.ScaledReg, FactorS);  in GenerateICmpZeroScales()
4027       if (getExactSDiv(F.ScaledReg, FactorS, SE) != Base.ScaledReg)  in GenerateICmpZeroScales()
4100             F.ScaledReg = Quotient;  in GenerateScales()
4132   if (Base.ScaledReg && Base.ScaledReg->getType()->isPointerTy())  in GenerateTruncates()
4146       if (F.ScaledReg) {  in GenerateTruncates()
4147         const SCEV *NewScaledReg = SE.getAnyExtendExpr(F.ScaledReg, SrcTy);  in GenerateTruncates()
4150         F.ScaledReg = NewScaledReg;  in GenerateTruncates()
4309       if (F.ScaledReg == OrigReg) {  in GenerateCrossUseConstantOffsets()
4320         NewF.ScaledReg = SE.getAddExpr(NegImmS, NewF.ScaledReg);  in GenerateCrossUseConstantOffsets()
4325         if (const SCEVConstant *C = dyn_cast<SCEVConstant>(NewF.ScaledReg))  in GenerateCrossUseConstantOffsets()
4466         if (F.ScaledReg &&  in FilterOutUndesirableDedicatedRegisters()
4467             RegUses.isRegUsedByUsesOtherThan(F.ScaledReg, LUIdx))  in FilterOutUndesirableDedicatedRegisters()
4468           Key.push_back(F.ScaledReg);  in FilterOutUndesirableDedicatedRegisters()
4746       if (!F.ScaledReg)  in NarrowSearchSpaceByFilterFormulaWithSameScaledReg()
4748       auto P = BestFormulae.insert({{F.ScaledReg, F.Scale}, FIdx});  in NarrowSearchSpaceByFilterFormulaWithSameScaledReg()
4928       if (const SCEV *ScaledReg = F.ScaledReg) {  in NarrowSearchSpaceByDeletingCostlyFormulas()  local
4929         if (!UniqRegs.count(ScaledReg)) {  in NarrowSearchSpaceByDeletingCostlyFormulas()
4931               RegNumMap[ScaledReg] / LU.getNotSelectedProbability(ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
4932           if (isa<SCEVAddRecExpr>(ScaledReg))  in NarrowSearchSpaceByDeletingCostlyFormulas()
4934                 RegNumMap[ScaledReg] / LU.getNotSelectedProbability(ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
4959     if (F.ScaledReg)  in NarrowSearchSpaceByDeletingCostlyFormulas()
4960       UniqRegs.insert(F.ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
5086         if ((F.ScaledReg && F.ScaledReg == Reg) ||  in SolveRecurse()
5111           VisitedRegs.insert(F.ScaledReg ? F.ScaledReg : F.BaseRegs[0]);  in SolveRecurse()
5327     const SCEV *ScaledS = F.ScaledReg;  in Expand()