280     bool hasOtherReachingDefs(LiveInterval &IntA, LiveInterval &IntB,
622   LiveInterval &IntB =  in adjustCopiesBackFrom()  local
642   LiveInterval::iterator BS = IntB.FindSegmentContaining(CopyIdx);  in adjustCopiesBackFrom()
643   if (BS == IntB.end()) return false;  in adjustCopiesBackFrom()
667     IntB.FindSegmentContaining(AValNo->def.getPrevSlot());  in adjustCopiesBackFrom()
668   if (ValS == IntB.end())  in adjustCopiesBackFrom()
683   LLVM_DEBUG(dbgs() << "Extending: " << printReg(IntB.reg(), TRI));  in adjustCopiesBackFrom()
694   IntB.addSegment(LiveInterval::Segment(FillerStart, FillerEnd, BValNo));  in adjustCopiesBackFrom()
698     IntB.MergeValueNumberInto(BValNo, ValS->valno);  in adjustCopiesBackFrom()
701   for (LiveInterval::SubRange &S : IntB.subranges()) {  in adjustCopiesBackFrom()
722   LLVM_DEBUG(dbgs() << "   result = " << IntB << '\n');  in adjustCopiesBackFrom()
727       ValSEndInst->findRegisterUseOperandIdx(IntB.reg(), /*TRI=*/nullptr, true);  in adjustCopiesBackFrom()
733   CopyMI->substituteRegister(IntA.reg(), IntB.reg(), 0, *TRI);  in adjustCopiesBackFrom()
754                                              LiveInterval &IntB,  in hasOtherReachingDefs()  argument
764     LiveInterval::iterator BI = llvm::upper_bound(IntB, ASeg.start);  in hasOtherReachingDefs()
765     if (BI != IntB.begin())  in hasOtherReachingDefs()
767     for (; BI != IntB.end() && ASeg.end >= BI->start; ++BI) {  in hasOtherReachingDefs()
811   LiveInterval &IntB =  in removeCopyByCommutingDef()  local
837   VNInfo *BValNo = IntB.getVNInfoAt(CopyIdx);  in removeCopyByCommutingDef()
873   if (NewReg != IntB.reg() || !IntB.Query(AValNo->def).isKill())  in removeCopyByCommutingDef()
878   if (hasOtherReachingDefs(IntA, IntB, AValNo, BValNo))  in removeCopyByCommutingDef()
905   if (IntA.reg().isVirtual() && IntB.reg().isVirtual() &&  in removeCopyByCommutingDef()
906       !MRI->constrainRegClass(IntB.reg(), MRI->getRegClass(IntA.reg())))  in removeCopyByCommutingDef()
951     if (UseMI->getOperand(0).getReg() != IntB.reg() ||  in removeCopyByCommutingDef()
958     VNInfo *DVNI = IntB.getVNInfoAt(DefIdx);  in removeCopyByCommutingDef()
963     BValNo = IntB.MergeValueNumberInto(DVNI, BValNo);  in removeCopyByCommutingDef()
964     for (LiveInterval::SubRange &S : IntB.subranges()) {  in removeCopyByCommutingDef()
980   if (IntA.hasSubRanges() || IntB.hasSubRanges()) {  in removeCopyByCommutingDef()
984     } else if (!IntB.hasSubRanges()) {  in removeCopyByCommutingDef()
985       LaneBitmask Mask = MRI->getMaxLaneMaskForVReg(IntB.reg());  in removeCopyByCommutingDef()
986       IntB.createSubRangeFrom(Allocator, Mask, IntB);  in removeCopyByCommutingDef()
1003       IntB.refineSubRanges(  in removeCopyByCommutingDef()
1020     for (LiveInterval::SubRange &SB : IntB.subranges()) {  in removeCopyByCommutingDef()
1030   auto P = addSegmentsWithValNo(IntB, BValNo, IntA, AValNo);  in removeCopyByCommutingDef()
1032   LLVM_DEBUG(dbgs() << "\t\textended: " << IntB << '\n');  in removeCopyByCommutingDef()
1105   LiveInterval &IntB =  in removePartialRedundancy()  local
1116   if (IntB.overlaps(LIS->getMBBStartIdx(&MBB), CopyIdx))  in removePartialRedundancy()
1132         DefMI->getOperand(1).getReg() != IntB.reg() ||  in removePartialRedundancy()
1141     for (auto *VNI : IntB.valnos) {  in removePartialRedundancy()
1180       if (IntB.overlaps(InsPosIdx, LIS->getMBBEndIdx(CopyLeftBB)))  in removePartialRedundancy()
1189                                       TII->get(TargetOpcode::COPY), IntB.reg())  in removePartialRedundancy()
1193     IntB.createDeadDef(NewCopyIdx, LIS->getVNInfoAllocator());  in removePartialRedundancy()
1194     for (LiveInterval::SubRange &SR : IntB.subranges())  in removePartialRedundancy()
1217   VNInfo *BValNo = IntB.Query(CopyIdx).valueOutOrDead();  in removePartialRedundancy()
1218   LIS->pruneValue(*static_cast<LiveRange *>(&IntB), CopyIdx.getRegSlot(),  in removePartialRedundancy()
1226     for (MachineOperand &MO : MRI->use_nodbg_operands(IntB.reg())) {  in removePartialRedundancy()
1229       if (!IntB.liveAt(UseIdx))  in removePartialRedundancy()
1235   LIS->extendToIndices(IntB, EndPoints);  in removePartialRedundancy()
1238   for (LiveInterval::SubRange &SR : IntB.subranges()) {  in removePartialRedundancy()
1259     IntB.computeSubRangeUndefs(Undefs, SR.LaneMask, *MRI,  in removePartialRedundancy()
1264   shrinkToUses(&IntB);  in removePartialRedundancy()