692     Matrix->unassign(LI);  in LRE_CanEraseVirtReg()
710   Matrix->unassign(LI);  in LRE_WillShrinkVirtReg()
825     if (!Matrix->checkInterference(VirtReg, *I)) {  in tryAssign()
874       AllocationOrder::create(VirtReg.reg(), *VRM, RegClassInfo, Matrix);  in canReassign()
883       LiveIntervalUnion::Query subQ(VirtReg, Matrix->getLiveUnions()[*Units]);  in canReassign()
940   if (Matrix->checkInterference(VirtReg, PhysReg) > LiveRegMatrix::IK_VirtReg)  in canEvictInterference()
958     LiveIntervalUnion::Query &Q = Matrix->query(VirtReg, *Units);  in canEvictInterference()
1041     LiveIntervalUnion::Query &Q = Matrix->query(VirtReg, *Units);  in canEvictInterferenceInRange()
1127     LiveIntervalUnion::Query &Q = Matrix->query(VirtReg, *Units);  in evictInterference()
1145     Matrix->unassign(*Intf);  in evictInterference()
1162   return !Matrix->isPhysRegUsed(PhysReg);  in isUnusedCalleeSavedReg()
1608     if (!Matrix->checkInterference(Cand.Intf.first().getPrevIndex(),  in splitCanCauseLocalSpill()
2194     if (!Matrix->query(const_cast<LiveInterval&>(SA->getParent()), *Units)  in calcGapWeights()
2206       Matrix->getLiveUnions()[*Units] .find(StartIdx);  in calcGapWeights()
2286   if (Matrix->checkRegMaskInterference(VirtReg)) {  in tryLocalSplit()
2351     if (Matrix->checkRegMaskInterference(VirtReg, PhysReg))  in tryLocalSplit()
2515     Matrix->invalidateVirtRegs();  in trySplit()
2560     LiveIntervalUnion::Query &Q = Matrix->query(VirtReg, *Units);  in mayRecolorAllInterferences()
2670     if (Matrix->checkInterference(VirtReg, PhysReg) >  in tryLastChanceRecoloring()
2699       Matrix->unassign(*RC);  in tryLastChanceRecoloring()
2705     Matrix->assign(VirtReg, PhysReg);  in tryLastChanceRecoloring()
2718       Matrix->unassign(VirtReg);  in tryLastChanceRecoloring()
2727     Matrix->unassign(VirtReg);  in tryLastChanceRecoloring()
2742         Matrix->unassign(*RC);  in tryLastChanceRecoloring()
2744       Matrix->assign(*RC, ItPhysReg);  in tryLastChanceRecoloring()
2785     Matrix->assign(*LI, PhysReg);  in tryRecoloringCandidates()
2972                                 Matrix->checkInterference(LI, PhysReg)))  in tryHintRecoloring()
2999       Matrix->unassign(LI);  in tryHintRecoloring()
3000       Matrix->assign(LI, PhysReg);  in tryHintRecoloring()
3066       AllocationOrder::create(VirtReg.reg(), *VRM, RegClassInfo, Matrix);  in selectOrSplitImpl()
3380   IntfCache.init(MF, Matrix->getLiveUnions(), Indexes, LIS, TRI);  in runOnMachineFunction()