386   const SCEV *ScaledReg = nullptr;  member
504   if (!ScaledReg)  in isCanonical()
513   if (containsAddRecDependentOnLoop(ScaledReg, L))  in isCanonical()
536     assert(ScaledReg && "Expected 1*reg => reg");  in canonicalize()
538     BaseRegs.push_back(ScaledReg);  in canonicalize()
540     ScaledReg = nullptr;  in canonicalize()
545   if (!ScaledReg) {  in canonicalize()
546     ScaledReg = BaseRegs.pop_back_val();  in canonicalize()
553   if (!containsAddRecDependentOnLoop(ScaledReg, L)) {  in canonicalize()
558       std::swap(ScaledReg, *I);  in canonicalize()
571   BaseRegs.push_back(ScaledReg);  in unscale()
572   ScaledReg = nullptr;  in unscale()
579   if (BaseRegs.size() != 1 || ScaledReg)  in hasZeroEnd()
587   return !!ScaledReg + BaseRegs.size();  in getNumRegs()
594          ScaledReg ? ScaledReg->getType() :  in getType()
608   return S == ScaledReg || is_contained(BaseRegs, S);  in referencesReg()
615   if (ScaledReg)  in hasRegsUsedByUsesOtherThan()
616     if (RegUses.isRegUsedByUsesOtherThan(ScaledReg, LUIdx))  in hasRegsUsedByUsesOtherThan()
649     if (ScaledReg)  in print()
650       OS << *ScaledReg;  in print()
1378   if (const SCEV *ScaledReg = F.ScaledReg) {  in RateFormula()  local
1379     if (VisitedRegs.count(ScaledReg)) {  in RateFormula()
1383     RatePrimaryRegister(F, ScaledReg, Regs, LoserRegs);  in RateFormula()
1562   if (F.ScaledReg) Key.push_back(F.ScaledReg);  in HasFormulaWithSameRegs()
1586   if (F.ScaledReg) Key.push_back(F.ScaledReg);  in InsertFormula()
1594   assert((!F.ScaledReg || !F.ScaledReg->isZero()) &&  in InsertFormula()
1606   if (F.ScaledReg)  in InsertFormula()
1607     Regs.insert(F.ScaledReg);  in InsertFormula()
1625     if (F.ScaledReg) Regs.insert(F.ScaledReg);  in RecomputeRegs()
2679             F.ScaledReg == OrigF.ScaledReg &&  in FindUseWithSimilarFormula()
3444   if (F.ScaledReg)  in CountRegisters()
3445     RegUses.countRegister(F.ScaledReg, LUIdx);  in CountRegisters()
3684   const SCEV *BaseReg = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateReassociationsImpl()
3739         F.ScaledReg = nullptr;  in GenerateReassociationsImpl()
3743       F.ScaledReg = InnerSum;  in GenerateReassociationsImpl()
3856   const SCEV *G = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateSymbolicOffsetsImpl()
3865     F.ScaledReg = G;  in GenerateSymbolicOffsetsImpl()
3900           F.ScaledReg = nullptr;  in GenerateConstantOffsetsImpl()
3905         F.ScaledReg = NewG;  in GenerateConstantOffsetsImpl()
3913   const SCEV *G = IsScaledReg ? Base.ScaledReg : Base.BaseRegs[Idx];  in GenerateConstantOffsetsImpl()
3949     F.ScaledReg = G;  in GenerateConstantOffsetsImpl()
3991   if (Base.ScaledReg && Base.ScaledReg->getType()->isPointerTy())  in GenerateICmpZeroScales()
4047     if (F.ScaledReg) {  in GenerateICmpZeroScales()
4048       F.ScaledReg = SE.getMulExpr(F.ScaledReg, FactorS);  in GenerateICmpZeroScales()
4049       if (getExactSDiv(F.ScaledReg, FactorS, SE) != Base.ScaledReg)  in GenerateICmpZeroScales()
4122             F.ScaledReg = Quotient;  in GenerateScales()
4177   if (Base.ScaledReg && Base.ScaledReg->getType()->isPointerTy())  in GenerateTruncates()
4195       if (F.ScaledReg) {  in GenerateTruncates()
4197             getAnyExtendConsideringPostIncUses(Loops, F.ScaledReg, SrcTy, SE);  in GenerateTruncates()
4200         F.ScaledReg = NewScaledReg;  in GenerateTruncates()
4359       if (F.ScaledReg == OrigReg) {  in GenerateCrossUseConstantOffsets()
4370         NewF.ScaledReg = SE.getAddExpr(NegImmS, NewF.ScaledReg);  in GenerateCrossUseConstantOffsets()
4375         if (const SCEVConstant *C = dyn_cast<SCEVConstant>(NewF.ScaledReg))  in GenerateCrossUseConstantOffsets()
4516         if (F.ScaledReg &&  in FilterOutUndesirableDedicatedRegisters()
4517             RegUses.isRegUsedByUsesOtherThan(F.ScaledReg, LUIdx))  in FilterOutUndesirableDedicatedRegisters()
4518           Key.push_back(F.ScaledReg);  in FilterOutUndesirableDedicatedRegisters()
4796       if (!F.ScaledReg)  in NarrowSearchSpaceByFilterFormulaWithSameScaledReg()
4798       auto P = BestFormulae.insert({{F.ScaledReg, F.Scale}, FIdx});  in NarrowSearchSpaceByFilterFormulaWithSameScaledReg()
4978       if (const SCEV *ScaledReg = F.ScaledReg) {  in NarrowSearchSpaceByDeletingCostlyFormulas()  local
4979         if (!UniqRegs.count(ScaledReg)) {  in NarrowSearchSpaceByDeletingCostlyFormulas()
4981               RegNumMap[ScaledReg] / LU.getNotSelectedProbability(ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
4982           if (isa<SCEVAddRecExpr>(ScaledReg))  in NarrowSearchSpaceByDeletingCostlyFormulas()
4984                 RegNumMap[ScaledReg] / LU.getNotSelectedProbability(ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
5009     if (F.ScaledReg)  in NarrowSearchSpaceByDeletingCostlyFormulas()
5010       UniqRegs.insert(F.ScaledReg);  in NarrowSearchSpaceByDeletingCostlyFormulas()
5175         if ((F.ScaledReg && F.ScaledReg == Reg) ||  in SolveRecurse()
5200           VisitedRegs.insert(F.ScaledReg ? F.ScaledReg : F.BaseRegs[0]);  in SolveRecurse()
5430     const SCEV *ScaledS = F.ScaledReg;  in Expand()