lib/CodeGen/SplitKit.cpp

190     SlotIndex Start, Stop;
191     tie(Start, Stop) = LIS.getSlotIndexes()->getMBBRange(BI.MBB);
206       assert(BI.FirstInstr >= Start);
213       BI.LiveIn = LVI->start <= Start;
539 void SplitEditor::useIntv(SlotIndex Start, SlotIndex End) {
541   DEBUG(dbgs() << "    useIntv [" << Start << ';' << End << "):");
542   RegAssign.insert(Start, End, OpenIdx);
598   SlotIndex Start = LIS.getMBBStartIdx(&MBB);
599   DEBUG(dbgs() << "    leaveIntvAtTop BB#" << MBB.getNumber() << ", " << Start);
601   VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Start);
604     return Start;
607   VNInfo *VNI = defFromParent(0, ParentVNI, Start, MBB,
609   RegAssign.insert(Start, VNI->def, OpenIdx);
614 void SplitEditor::overlapIntv(SlotIndex Start, SlotIndex End) {
616   const VNInfo *ParentVNI = Edit->getParent().getVNInfoAt(Start);
619   assert(LIS.getMBBFromIndex(Start) == LIS.getMBBFromIndex(End) &&
625   DEBUG(dbgs() << "    overlapIntv [" << Start << ';' << End << "):");
626   RegAssign.insert(Start, End, OpenIdx);
845     SlotIndex Start = ParentI->start;
846     AssignI.advanceTo(Start);
852       } else if (AssignI.start() <= Start) {
863       // The interval [Start;End) is continuously mapped to RegIdx, ParentVNI.
864       DEBUG(dbgs() << " [" << Start << ';' << End << ")=" << RegIdx);
871         LR.addSegment(LiveInterval::Segment(Start, End, VNI));
872         Start = End;
880         Start = End;
887       // so the live range is accurate. Add live-in blocks in [Start;End) to the
889       MachineFunction::iterator MBB = LIS.getMBBFromIndex(Start);
894       if (Start != BlockStart) {
907       // Handle the live-in blocks covered by [Start;End).
908       assert(Start <= BlockStart && "Expected live-in block");
933       Start = End;
934     } while (Start != ParentI->end);
1185   SlotIndex Start, Stop;
1186   tie(Start, Stop) = LIS.getSlotIndexes()->getMBBRange(MBBNum);
1188   DEBUG(dbgs() << "BB#" << MBBNum << " [" << Start << ';' << Stop
1195   assert((!IntvIn || !LeaveBefore || LeaveBefore > Start) && "Impossible intf");
1196   assert((!EnterAfter || EnterAfter >= Start) && "Interference before block");
1235     useIntv(Start, Stop);
1260     useIntv(Start, Idx);
1281   useIntv(Start, Idx);
1288   SlotIndex Start, Stop;
1289   tie(Start, Stop) = LIS.getSlotIndexes()->getMBBRange(BI.MBB);
1291   DEBUG(dbgs() << "BB#" << BI.MBB->getNumber() << " [" << Start << ';' << Stop
1298   assert((!LeaveBefore || LeaveBefore > Start) && "Bad interference");
1308     useIntv(Start, BI.LastInstr);
1329       useIntv(Start, Idx);
1336       useIntv(Start, Idx);
1359     useIntv(Start, From);
1374   useIntv(Start, From);
1380   SlotIndex Start, Stop;
1381   tie(Start, Stop) = LIS.getSlotIndexes()->getMBBRange(BI.MBB);
1383   DEBUG(dbgs() << "BB#" << BI.MBB->getNumber() << " [" << Start << ';' << Stop