83     unsigned Pref);
87   bool shouldBreakDependence(MachineInstr *, unsigned OpIdx, unsigned Pref);
109   unsigned Pref) {  in pickBestRegisterForUndef()  argument
153     if (MaxClearance > Pref)  in pickBestRegisterForUndef()
165                                            unsigned Pref) {  in shouldBreakDependence()  argument
168   LLVM_DEBUG(dbgs() << "Clearance: " << Clearance << ", want " << Pref);  in shouldBreakDependence()
170   if (Pref > Clearance) {  in shouldBreakDependence()
183   unsigned Pref = TII->getUndefRegClearance(*MI, OpNum, TRI);  in processDefs()  local
184   if (Pref) {  in processDefs()
185     bool HadTrueDependency = pickBestRegisterForUndef(MI, OpNum, Pref);  in processDefs()
189     if (!HadTrueDependency && shouldBreakDependence(MI, OpNum, Pref))  in processDefs()
203     unsigned Pref = TII->getPartialRegUpdateClearance(*MI, i, TRI);  in processDefs()  local
204     if (Pref && shouldBreakDependence(MI, i, Pref))  in processDefs()