82     unsigned Pref);
86   bool shouldBreakDependence(MachineInstr *, unsigned OpIdx, unsigned Pref);
108   unsigned Pref) {  in pickBestRegisterForUndef()  argument
161     if (MaxClearance > Pref)  in pickBestRegisterForUndef()
173                                            unsigned Pref) {  in shouldBreakDependence()  argument
176   LLVM_DEBUG(dbgs() << "Clearance: " << Clearance << ", want " << Pref);  in shouldBreakDependence()
178   if (Pref > Clearance) {  in shouldBreakDependence()
198     unsigned Pref = TII->getUndefRegClearance(*MI, i, TRI);  in processDefs()  local
199     if (Pref) {  in processDefs()
200       bool HadTrueDependency = pickBestRegisterForUndef(MI, i, Pref);  in processDefs()
204       if (!HadTrueDependency && shouldBreakDependence(MI, i, Pref))  in processDefs()
223     unsigned Pref = TII->getPartialRegUpdateClearance(*MI, i, TRI);  in processDefs()  local
224     if (Pref && shouldBreakDependence(MI, i, Pref))  in processDefs()