232     Matrix->unassign(LI);  in LRE_CanEraseVirtReg()
250   Matrix->unassign(LI);  in LRE_WillShrinkVirtReg()
371     if (!Matrix->checkInterference(VirtReg, *I)) {  in tryAssign()
420       AllocationOrder::create(VirtReg.reg(), *VRM, RegClassInfo, Matrix);  in canReassign()
429       LiveIntervalUnion::Query subQ(VirtReg, Matrix->getLiveUnions()[*Units]);  in canReassign()
461     LiveIntervalUnion::Query &Q = Matrix->query(VirtReg, *Units);  in evictInterference()
476     Matrix->unassign(*Intf);  in evictInterference()
493   return !Matrix->isPhysRegUsed(PhysReg);  in isUnusedCalleeSavedReg()
1319     if (!Matrix->query(const_cast<LiveInterval&>(SA->getParent()), *Units)  in calcGapWeights()
1331       Matrix->getLiveUnions()[*Units] .find(StartIdx);  in calcGapWeights()
1412   if (Matrix->checkRegMaskInterference(VirtReg)) {  in tryLocalSplit()
1477     if (Matrix->checkRegMaskInterference(VirtReg, PhysReg))  in tryLocalSplit()
1686     LiveIntervalUnion::Query &Q = Matrix->query(VirtReg, *Units);  in mayRecolorAllInterferences()
1810     if (Matrix->checkInterference(VirtReg, PhysReg) >  in tryLastChanceRecoloring()
1840       Matrix->unassign(*RC);  in tryLastChanceRecoloring()
1846     Matrix->assign(VirtReg, PhysReg);  in tryLastChanceRecoloring()
1859       Matrix->unassign(VirtReg);  in tryLastChanceRecoloring()
1868     Matrix->unassign(VirtReg);  in tryLastChanceRecoloring()
1892         Matrix->unassign(*LI);  in tryLastChanceRecoloring()
1900         Matrix->assign(*LI, PhysReg);  in tryLastChanceRecoloring()
1945     Matrix->assign(*LI, PhysReg);  in tryRecoloringCandidates()
2133                                 Matrix->checkInterference(LI, PhysReg)))  in tryHintRecoloring()
2160       Matrix->unassign(LI);  in tryHintRecoloring()
2161       Matrix->assign(LI, PhysReg);  in tryHintRecoloring()
2228       AllocationOrder::create(VirtReg.reg(), *VRM, RegClassInfo, Matrix);  in selectOrSplitImpl()
2554   IntfCache.init(MF, Matrix->getLiveUnions(), Indexes, LIS, TRI);  in runOnMachineFunction()