222     bool hasOtherReachingDefs(LiveInterval &IntA, LiveInterval &IntB,
540   LiveInterval &IntB =  in adjustCopiesBackFrom()  local
560   LiveInterval::iterator BS = IntB.FindSegmentContaining(CopyIdx);  in adjustCopiesBackFrom()
561   if (BS == IntB.end()) return false;  in adjustCopiesBackFrom()
585     IntB.FindSegmentContaining(AValNo->def.getPrevSlot());  in adjustCopiesBackFrom()
586   if (ValS == IntB.end())  in adjustCopiesBackFrom()
601   LLVM_DEBUG(dbgs() << "Extending: " << printReg(IntB.reg, TRI));  in adjustCopiesBackFrom()
612   IntB.addSegment(LiveInterval::Segment(FillerStart, FillerEnd, BValNo));  in adjustCopiesBackFrom()
616     IntB.MergeValueNumberInto(BValNo, ValS->valno);  in adjustCopiesBackFrom()
619   for (LiveInterval::SubRange &S : IntB.subranges()) {  in adjustCopiesBackFrom()
634   LLVM_DEBUG(dbgs() << "   result = " << IntB << '\n');  in adjustCopiesBackFrom()
638   int UIdx = ValSEndInst->findRegisterUseOperandIdx(IntB.reg, true);  in adjustCopiesBackFrom()
644   CopyMI->substituteRegister(IntA.reg, IntB.reg, 0, *TRI);  in adjustCopiesBackFrom()
665                                              LiveInterval &IntB,  in hasOtherReachingDefs()  argument
676       std::upper_bound(IntB.begin(), IntB.end(), ASeg.start);  in hasOtherReachingDefs()
677     if (BI != IntB.begin())  in hasOtherReachingDefs()
679     for (; BI != IntB.end() && ASeg.end >= BI->start; ++BI) {  in hasOtherReachingDefs()
723   LiveInterval &IntB =  in removeCopyByCommutingDef()  local
749   VNInfo *BValNo = IntB.getVNInfoAt(CopyIdx);  in removeCopyByCommutingDef()
785   if (NewReg != IntB.reg || !IntB.Query(AValNo->def).isKill())  in removeCopyByCommutingDef()
790   if (hasOtherReachingDefs(IntA, IntB, AValNo, BValNo))  in removeCopyByCommutingDef()
818       TargetRegisterInfo::isVirtualRegister(IntB.reg) &&  in removeCopyByCommutingDef()
819       !MRI->constrainRegClass(IntB.reg, MRI->getRegClass(IntA.reg)))  in removeCopyByCommutingDef()
867     if (UseMI->getOperand(0).getReg() != IntB.reg ||  in removeCopyByCommutingDef()
874     VNInfo *DVNI = IntB.getVNInfoAt(DefIdx);  in removeCopyByCommutingDef()
879     BValNo = IntB.MergeValueNumberInto(DVNI, BValNo);  in removeCopyByCommutingDef()
880     for (LiveInterval::SubRange &S : IntB.subranges()) {  in removeCopyByCommutingDef()
896   if (IntA.hasSubRanges() || IntB.hasSubRanges()) {  in removeCopyByCommutingDef()
900     } else if (!IntB.hasSubRanges()) {  in removeCopyByCommutingDef()
901       LaneBitmask Mask = MRI->getMaxLaneMaskForVReg(IntB.reg);  in removeCopyByCommutingDef()
902       IntB.createSubRangeFrom(Allocator, Mask, IntB);  in removeCopyByCommutingDef()
911       IntB.refineSubRanges(Allocator, SA.LaneMask,  in removeCopyByCommutingDef()
927     for (LiveInterval::SubRange &SB : IntB.subranges()) {  in removeCopyByCommutingDef()
937   auto P = addSegmentsWithValNo(IntB, BValNo, IntA, AValNo);  in removeCopyByCommutingDef()
939   LLVM_DEBUG(dbgs() << "\t\textended: " << IntB << '\n');  in removeCopyByCommutingDef()
1010   LiveInterval &IntB =  in removePartialRedundancy()  local
1021   if (IntB.overlaps(LIS->getMBBStartIdx(&MBB), CopyIdx))  in removePartialRedundancy()
1037         DefMI->getOperand(1).getReg() != IntB.reg ||  in removePartialRedundancy()
1046     for (auto VNI : IntB.valnos) {  in removePartialRedundancy()
1085       if (IntB.overlaps(InsPosIdx, LIS->getMBBEndIdx(CopyLeftBB)))  in removePartialRedundancy()
1094                                       TII->get(TargetOpcode::COPY), IntB.reg)  in removePartialRedundancy()
1098     IntB.createDeadDef(NewCopyIdx, LIS->getVNInfoAllocator());  in removePartialRedundancy()
1099     for (LiveInterval::SubRange &SR : IntB.subranges())  in removePartialRedundancy()
1120   VNInfo *BValNo = IntB.Query(CopyIdx).valueOutOrDead();  in removePartialRedundancy()
1121   LIS->pruneValue(*static_cast<LiveRange *>(&IntB), CopyIdx.getRegSlot(),  in removePartialRedundancy()
1125   LIS->extendToIndices(IntB, EndPoints);  in removePartialRedundancy()
1128   for (LiveInterval::SubRange &SR : IntB.subranges()) {  in removePartialRedundancy()
1151   shrinkToUses(&IntB);  in removePartialRedundancy()