366     unsigned Alias = *AI;  in usePhysReg()  local
367     switch (PhysRegState[Alias]) {  in usePhysReg()
380       assert((TRI->isSuperRegister(PhysReg, Alias) ||  in usePhysReg()
381               TRI->isSuperRegister(Alias, PhysReg)) &&  in usePhysReg()
385       if (TRI->isSuperRegister(PhysReg, Alias)) {  in usePhysReg()
387         PhysRegState[Alias] = regFree;  in usePhysReg()
388         MO.getParent()->addRegisterKilled(Alias, TRI, true);  in usePhysReg()
392       PhysRegState[Alias] = regDisabled;  in usePhysReg()
425     unsigned Alias = *AI;  in definePhysReg()  local
426     switch (unsigned VirtReg = PhysRegState[Alias]) {  in definePhysReg()
434       PhysRegState[Alias] = regDisabled;  in definePhysReg()
435       if (TRI->isSuperRegister(PhysReg, Alias))  in definePhysReg()
473     unsigned Alias = *AI;  in calcSpillCost()  local
474     switch (unsigned VirtReg = PhysRegState[Alias]) {  in calcSpillCost()