125   virtual unsigned selectOrSplit(LiveInterval &VirtReg,
268     LiveInterval &VirtReg = *I->second;  in seedLiveRegs()  local
270       PhysReg2LiveUnion[RegNum].unify(VirtReg);  in seedLiveRegs()
272       enqueue(&VirtReg);  in seedLiveRegs()
276 void RegAllocBase::assign(LiveInterval &VirtReg, unsigned PhysReg) {  in assign()  argument
277   DEBUG(dbgs() << "assigning " << PrintReg(VirtReg.reg, TRI)  in assign()
279   assert(!VRM->hasPhys(VirtReg.reg) && "Duplicate VirtReg assignment");  in assign()
280   VRM->assignVirt2Phys(VirtReg.reg, PhysReg);  in assign()
282   PhysReg2LiveUnion[PhysReg].unify(VirtReg);  in assign()
286 void RegAllocBase::unassign(LiveInterval &VirtReg, unsigned PhysReg) {  in unassign()  argument
287   DEBUG(dbgs() << "unassigning " << PrintReg(VirtReg.reg, TRI)  in unassign()
289   assert(VRM->getPhys(VirtReg.reg) == PhysReg && "Inconsistent unassign");  in unassign()
290   PhysReg2LiveUnion[PhysReg].extract(VirtReg);  in unassign()
291   VRM->clearVirt(VirtReg.reg);  in unassign()
301   while (LiveInterval *VirtReg = dequeue()) {  in allocatePhysRegs()  local
302     assert(!VRM->hasPhys(VirtReg->reg) && "Register already assigned");  in allocatePhysRegs()
305     if (MRI->reg_nodbg_empty(VirtReg->reg)) {  in allocatePhysRegs()
306       DEBUG(dbgs() << "Dropping unused " << *VirtReg << '\n');  in allocatePhysRegs()
307       LIS->removeInterval(VirtReg->reg);  in allocatePhysRegs()
318                  << MRI->getRegClass(VirtReg->reg)->getName()  in allocatePhysRegs()
319                  << ':' << *VirtReg << '\n');  in allocatePhysRegs()
322     unsigned AvailablePhysReg = selectOrSplit(*VirtReg, SplitVRegs);  in allocatePhysRegs()
329       for (MachineRegisterInfo::reg_iterator I = MRI->reg_begin(VirtReg->reg);  in allocatePhysRegs()
338       VRM->assignVirt2Phys(VirtReg->reg,  in allocatePhysRegs()
339                  RegClassInfo.getOrder(MRI->getRegClass(VirtReg->reg)).front());  in allocatePhysRegs()
344       assign(*VirtReg, AvailablePhysReg);  in allocatePhysRegs()
367 unsigned RegAllocBase::checkPhysRegInterference(LiveInterval &VirtReg,  in checkPhysRegInterference()  argument
370     if (query(VirtReg, *AliasI).checkInterference())  in checkPhysRegInterference()
377 void RegAllocBase::spillReg(LiveInterval& VirtReg, unsigned PhysReg,  in spillReg()  argument
379   LiveIntervalUnion::Query &Q = query(VirtReg, PhysReg);  in spillReg()
406 RegAllocBase::spillInterferences(LiveInterval &VirtReg, unsigned PhysReg,  in spillInterferences()  argument
413     LiveIntervalUnion::Query &QAlias = query(VirtReg, *asI);  in spillInterferences()
420         " interferences with " << VirtReg << "\n");  in spillInterferences()
425     spillReg(VirtReg, *AliasI, SplitVRegs);  in spillInterferences()
482 unsigned RABasic::selectOrSplit(LiveInterval &VirtReg,  in selectOrSplit()  argument
489     RegClassInfo.getOrder(MRI->getRegClass(VirtReg.reg));  in selectOrSplit()
496     unsigned interfReg = checkPhysRegInterference(VirtReg, PhysReg);  in selectOrSplit()
507     if (interferingVirtReg->weight < VirtReg.weight ) {  in selectOrSplit()
515     if (!spillInterferences(VirtReg, *PhysRegI, SplitVRegs)) continue;  in selectOrSplit()
517     assert(checkPhysRegInterference(VirtReg, *PhysRegI) == 0 &&  in selectOrSplit()
524   DEBUG(dbgs() << "spilling: " << VirtReg << '\n');  in selectOrSplit()
525   if (!VirtReg.isSpillable())  in selectOrSplit()
527   LiveRangeEdit LRE(VirtReg, SplitVRegs);  in selectOrSplit()