662   PressureDiff &PDiff = (*this)[Idx];  in addInstruction()  local
663   assert(!PDiff.begin()->isValid() && "stale PDiff");  in addInstruction()
665     PDiff.addPressureChange(P.RegUnit, true, &MRI);  in addInstruction()
668     PDiff.addPressureChange(P.RegUnit, false, &MRI);  in addInstruction()
969     int PDiff = (int)PNew - (int)POld;  in computeExcessPressureDelta()  local
970     if (!PDiff) // No change in this set in the common case.  in computeExcessPressureDelta()
979         PDiff = 0;            // Under the limit  in computeExcessPressureDelta()
981         PDiff = PNew - Limit; // Just exceeded limit.  in computeExcessPressureDelta()
983       PDiff = Limit - POld;   // Just obeyed limit.  in computeExcessPressureDelta()
985     if (PDiff) {  in computeExcessPressureDelta()
987       Delta.Excess.setUnitInc(PDiff);  in computeExcessPressureDelta()
1019         int PDiff = (int)PNew - (int)CriticalPSets[CritIdx].getUnitInc();  in computeMaxPressureDelta()  local
1020         if (PDiff > 0) {  in computeMaxPressureDelta()
1022           Delta.CriticalMax.setUnitInc(PDiff);  in computeMaxPressureDelta()
1095 getMaxUpwardPressureDelta(const MachineInstr *MI, PressureDiff *PDiff,  in getMaxUpwardPressureDelta()  argument
1119   if (!PDiff)  in getMaxUpwardPressureDelta()
1124   getUpwardPressureDelta(MI, *PDiff, Delta2, CriticalPSets, MaxPressureLimit);  in getMaxUpwardPressureDelta()
1127     PDiff->dump(*TRI);  in getMaxUpwardPressureDelta()
1163 getUpwardPressureDelta(const MachineInstr *MI, /*const*/ PressureDiff &PDiff,  in getUpwardPressureDelta()  argument
1169          PDiffI = PDiff.begin(), PDiffE = PDiff.end();  in getUpwardPressureDelta()