Lines Matching refs:Pref
196 bool shouldBreakDependence(MachineInstr*, unsigned OpIdx, unsigned Pref);
468 unsigned Pref) {
474 DEBUG(dbgs() << "Clearance: " << Clearance << ", want " << Pref);
476 if (Pref > Clearance) {
482 if (!SeenUnknownBackEdge || Pref <= unsigned(CurInstr)) {
500 unsigned Pref = TII->getUndefRegClearance(MI, OpNum, TRI);
501 if (Pref) {
502 if (shouldBreakDependence(MI, OpNum, Pref))
526 unsigned Pref = TII->getPartialRegUpdateClearance(MI, i, TRI);
527 if (Pref && shouldBreakDependence(MI, i, Pref))
