85     unsigned Pref);
89   bool shouldBreakDependence(MachineInstr *, unsigned OpIdx, unsigned Pref);
111   unsigned Pref) {  in pickBestRegisterForUndef()  argument
164     if (MaxClearance > Pref)  in pickBestRegisterForUndef()
176                                            unsigned Pref) {  in shouldBreakDependence()  argument
179   LLVM_DEBUG(dbgs() << "Clearance: " << Clearance << ", want " << Pref);  in shouldBreakDependence()
181   if (Pref > Clearance) {  in shouldBreakDependence()
201     unsigned Pref = TII->getUndefRegClearance(*MI, i, TRI);  in processDefs()  local
202     if (Pref) {  in processDefs()
203       bool HadTrueDependency = pickBestRegisterForUndef(MI, i, Pref);  in processDefs()
207       if (!HadTrueDependency && shouldBreakDependence(MI, i, Pref))  in processDefs()
226     unsigned Pref = TII->getPartialRegUpdateClearance(*MI, i, TRI);  in processDefs()  local
227     if (Pref && shouldBreakDependence(MI, i, Pref))  in processDefs()