362   iterator SI, SJ;  member in llvm::sroa::Partition
369   Partition(iterator SI) : SI(SI), SJ(SI) {}  in Partition()
392   bool empty() const { return SI == SJ; }  in empty()
404   iterator end() const { return SJ; }  in end()
491     if (P.SI != P.SJ) {  in advance()
502       P.SI = P.SJ;  in advance()
529     ++P.SJ;  in advance()
540       while (P.SJ != SE && P.SJ->beginOffset() < P.EndOffset) {  in advance()
541         if (!P.SJ->isSplittable())  in advance()
542           P.EndOffset = std::max(P.EndOffset, P.SJ->endOffset());  in advance()
543         ++P.SJ;  in advance()
557     while (P.SJ != SE && P.SJ->beginOffset() < P.EndOffset &&  in advance()
558            P.SJ->isSplittable()) {  in advance()
559       P.EndOffset = std::max(P.EndOffset, P.SJ->endOffset());  in advance()
560       ++P.SJ;  in advance()
566     if (P.SJ != SE && P.SJ->beginOffset() < P.EndOffset) {  in advance()
567       assert(!P.SJ->isSplittable());  in advance()
568       P.EndOffset = P.SJ->beginOffset();  in advance()
583       assert(P.SJ == RHS.P.SJ &&  in operator ==()