514   const SCEV *ScaledReg = nullptr;  member
632   if (!ScaledReg)  in isCanonical()
641   if (containsAddRecDependentOnLoop(ScaledReg, L))  in isCanonical()
664     assert(ScaledReg && "Expected 1*reg => reg");  in canonicalize()
666     BaseRegs.push_back(ScaledReg);  in canonicalize()
668     ScaledReg = nullptr;  in canonicalize()
673   if (!ScaledReg) {  in canonicalize()
674     ScaledReg = BaseRegs.pop_back_val();  in canonicalize()
681   if (!containsAddRecDependentOnLoop(ScaledReg, L)) {  in canonicalize()
686       std::swap(ScaledReg, *I);  in canonicalize()
699   BaseRegs.push_back(ScaledReg);  in unscale()
700   ScaledReg = nullptr;  in unscale()
707   if (BaseRegs.size() != 1 || ScaledReg)  in hasZeroEnd()
715   return !!ScaledReg + BaseRegs.size();  in getNumRegs()
722          ScaledReg ? ScaledReg->getType() :  in getType()
736   return S == ScaledReg || is_contained(BaseRegs, S);  in referencesReg()
743   if (ScaledReg)  in hasRegsUsedByUsesOtherThan()
744     if (RegUses.isRegUsedByUsesOtherThan(ScaledReg, LUIdx))  in hasRegsUsedByUsesOtherThan()
777     if (ScaledReg)  in print()
778       OS << *ScaledReg;  in print()
1514   if (const SCEV *ScaledReg = F.ScaledReg) {  in RateFormula()  local
1515     if (VisitedRegs.count(ScaledReg)) {  in RateFormula()
1519     RatePrimaryRegister(F, ScaledReg, Regs, LoserRegs);  in RateFormula()
1703   if (F.ScaledReg) Key.push_back(F.ScaledReg);  in HasFormulaWithSameRegs()
1727   if (F.ScaledReg) Key.push_back(F.ScaledReg);  in InsertFormula()
1735   assert((!F.ScaledReg || !F.ScaledReg->isZero()) &&  in InsertFormula()
1747   if (F.ScaledReg)  in InsertFormula()
1748     Regs.insert(F.ScaledReg);  in InsertFormula()
1766     if (F.ScaledReg) Regs.insert(F.ScaledReg);  in RecomputeRegs()
2875             F.ScaledReg == OrigF.ScaledReg &&  in FindUseWithSimilarFormula()
3679   if (F.ScaledReg)  in CountRegisters()
3680     RegUses.countRegister(F.ScaledReg, LUIdx);  in CountRegisters()
3919   const SCEV *BaseReg = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateReassociationsImpl()
3978         F.ScaledReg = nullptr;  in GenerateReassociationsImpl()
3982       F.ScaledReg = InnerSum;  in GenerateReassociationsImpl()
4097   const SCEV *G = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateSymbolicOffsetsImpl()
4106     F.ScaledReg = G;  in GenerateSymbolicOffsetsImpl()
4144           F.ScaledReg = nullptr;  in GenerateConstantOffsetsImpl()
4149         F.ScaledReg = NewG;  in GenerateConstantOffsetsImpl()
4157   const SCEV *G = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateConstantOffsetsImpl()
4196     F.ScaledReg = G;  in GenerateConstantOffsetsImpl()
4238   if (Base.ScaledReg && Base.ScaledReg->getType()->isPointerTy())  in GenerateICmpZeroScales()
4298     if (F.ScaledReg) {  in GenerateICmpZeroScales()
4299       F.ScaledReg = SE.getMulExpr(F.ScaledReg, FactorS);  in GenerateICmpZeroScales()
4300       if (getExactSDiv(F.ScaledReg, FactorS, SE) != Base.ScaledReg)  in GenerateICmpZeroScales()
4373             F.ScaledReg = Quotient;  in GenerateScales()
4428   if (Base.ScaledReg && Base.ScaledReg->getType()->isPointerTy())  in GenerateTruncates()
4446       if (F.ScaledReg) {  in GenerateTruncates()
4448             getAnyExtendConsideringPostIncUses(Loops, F.ScaledReg, SrcTy, SE);  in GenerateTruncates()
4451         F.ScaledReg = NewScaledReg;  in GenerateTruncates()
4623       if (F.ScaledReg == OrigReg) {  in GenerateCrossUseConstantOffsets()
4636         NewF.ScaledReg = SE.getAddExpr(NegImmS, NewF.ScaledReg);  in GenerateCrossUseConstantOffsets()
4641         if (const SCEVConstant *C = dyn_cast<SCEVConstant>(NewF.ScaledReg)) {  in GenerateCrossUseConstantOffsets()
4799         if (F.ScaledReg &&  in FilterOutUndesirableDedicatedRegisters()
4800             RegUses.isRegUsedByUsesOtherThan(F.ScaledReg, LUIdx))  in FilterOutUndesirableDedicatedRegisters()
4801           Key.push_back(F.ScaledReg);  in FilterOutUndesirableDedicatedRegisters()
5083       if (!F.ScaledReg)  in NarrowSearchSpaceByFilterFormulaWithSameScaledReg()
5085       auto P = BestFormulae.insert({{F.ScaledReg, F.Scale}, FIdx});  in NarrowSearchSpaceByFilterFormulaWithSameScaledReg()
5265       if (const SCEV *ScaledReg = F.ScaledReg) {  in NarrowSearchSpaceByDeletingCostlyFormulas()  local
5266         if (!UniqRegs.count(ScaledReg)) {  in NarrowSearchSpaceByDeletingCostlyFormulas()
5268               RegNumMap[ScaledReg] / LU.getNotSelectedProbability(ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
5269           if (isa<SCEVAddRecExpr>(ScaledReg))  in NarrowSearchSpaceByDeletingCostlyFormulas()
5271                 RegNumMap[ScaledReg] / LU.getNotSelectedProbability(ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
5296     if (F.ScaledReg)  in NarrowSearchSpaceByDeletingCostlyFormulas()
5297       UniqRegs.insert(F.ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
5462         if ((F.ScaledReg && F.ScaledReg == Reg) ||  in SolveRecurse()
5487           VisitedRegs.insert(F.ScaledReg ? F.ScaledReg : F.BaseRegs[0]);  in SolveRecurse()
5727     const SCEV *ScaledS = F.ScaledReg;  in Expand()