84     unsigned Pref);
88   bool shouldBreakDependence(MachineInstr *, unsigned OpIdx, unsigned Pref);
110   unsigned Pref) {  in pickBestRegisterForUndef()  argument
163     if (MaxClearance > Pref)  in pickBestRegisterForUndef()
175                                            unsigned Pref) {  in shouldBreakDependence()  argument
178   LLVM_DEBUG(dbgs() << "Clearance: " << Clearance << ", want " << Pref);  in shouldBreakDependence()
180   if (Pref > Clearance) {  in shouldBreakDependence()
200     unsigned Pref = TII->getUndefRegClearance(*MI, i, TRI);  in processDefs()  local
201     if (Pref) {  in processDefs()
202       bool HadTrueDependency = pickBestRegisterForUndef(MI, i, Pref);  in processDefs()
206       if (!HadTrueDependency && shouldBreakDependence(MI, i, Pref))  in processDefs()
225     unsigned Pref = TII->getPartialRegUpdateClearance(*MI, i, TRI);  in processDefs()  local
226     if (Pref && shouldBreakDependence(MI, i, Pref))  in processDefs()