365   iterator SI, SJ;  member in llvm::sroa::Partition
372   Partition(iterator SI) : SI(SI), SJ(SI) {}  in Partition()
395   bool empty() const { return SI == SJ; }  in empty()
407   iterator end() const { return SJ; }  in end()
498     if (P.SI != P.SJ) {  in advance()
509       P.SI = P.SJ;  in advance()
536     ++P.SJ;  in advance()
547       while (P.SJ != SE && P.SJ->beginOffset() < P.EndOffset) {  in advance()
548         if (!P.SJ->isSplittable())  in advance()
549           P.EndOffset = std::max(P.EndOffset, P.SJ->endOffset());  in advance()
550         ++P.SJ;  in advance()
564     while (P.SJ != SE && P.SJ->beginOffset() < P.EndOffset &&  in advance()
565            P.SJ->isSplittable()) {  in advance()
566       P.EndOffset = std::max(P.EndOffset, P.SJ->endOffset());  in advance()
567       ++P.SJ;  in advance()
573     if (P.SJ != SE && P.SJ->beginOffset() < P.EndOffset) {  in advance()
574       assert(!P.SJ->isSplittable());  in advance()
575       P.EndOffset = P.SJ->beginOffset();  in advance()
590       assert(P.SJ == RHS.P.SJ &&  in operator ==()