lib/CodeGen/RegisterPressure.cpp

618                                        RegPressureDelta &Delta,
621   Delta.Excess = PressureChange();
643       Delta.Excess = PressureChange(i);
644       Delta.Excess.setUnitInc(PDiff);
660                                     RegPressureDelta &Delta) {
661   Delta.CriticalMax = PressureChange();
662   Delta.CurrentMax = PressureChange();
671     if (!Delta.CriticalMax.isValid()) {
678           Delta.CriticalMax = PressureChange(i);
679           Delta.CriticalMax.setUnitInc(PDiff);
685     if (!Delta.CurrentMax.isValid() && PNew > MaxPressureLimit[i]) {
686       Delta.CurrentMax = PressureChange(i);
687       Delta.CurrentMax.setUnitInc(PNew - POld);
688       if (CritIdx == CritEnd || Delta.CriticalMax.isValid())
750                           RegPressureDelta &Delta,
761   computeExcessPressureDelta(SavedPressure, CurrSetPressure, Delta, RCI,
764                           MaxPressureLimit, Delta);
765   assert(Delta.CriticalMax.getUnitInc() >= 0 &&
766          Delta.CurrentMax.getUnitInc() >= 0 && "cannot decrease max pressure");
779   if (Delta != Delta2) {
781     if (Delta.Excess.isValid())
782       dbgs() << "Excess1 " << TRI->getRegPressureSetName(Delta.Excess.getPSet())
783              << " " << Delta.Excess.getUnitInc() << "\n";
784     if (Delta.CriticalMax.isValid())
785       dbgs() << "Critic1 " << TRI->getRegPressureSetName(Delta.CriticalMax.getPSet())
786              << " " << Delta.CriticalMax.getUnitInc() << "\n";
787     if (Delta.CurrentMax.isValid())
788       dbgs() << "CurrMx1 " << TRI->getRegPressureSetName(Delta.CurrentMax.getPSet())
789              << " " << Delta.CurrentMax.getUnitInc() << "\n";
799     llvm_unreachable("RegP Delta Mismatch");
809 /// @param Delta captures information needed for heuristics.
818                        RegPressureDelta &Delta,
840     if (!Delta.Excess.isValid()) {
847         Delta.Excess = PressureChange(PSetID);
848         Delta.Excess.setUnitInc(ExcessInc);
854     if (!Delta.CriticalMax.isValid()) {
861           Delta.CriticalMax = PressureChange(PSetID);
862           Delta.CriticalMax.setUnitInc(CritInc);
867     if (!Delta.CurrentMax.isValid() && MNew > MaxPressureLimit[PSetID]) {
868       Delta.CurrentMax = PressureChange(PSetID);
869       Delta.CurrentMax.setUnitInc(MNew - MOld);
946 getMaxDownwardPressureDelta(const MachineInstr *MI, RegPressureDelta &Delta,
955   computeExcessPressureDelta(SavedPressure, CurrSetPressure, Delta, RCI,
958                           MaxPressureLimit, Delta);
959   assert(Delta.CriticalMax.getUnitInc() >= 0 &&
960          Delta.CurrentMax.getUnitInc() >= 0 && "cannot decrease max pressure");