80 bool VirtRegAuxInfo::isRematerializable(const LiveInterval &LI,  in isRematerializable()  argument
84   Register Reg = LI.reg();  in isRematerializable()
86   for (LiveInterval::const_vni_iterator I = LI.vni_begin(), E = LI.vni_end();  in isRematerializable()
130 bool VirtRegAuxInfo::isLiveAtStatepointVarArg(LiveInterval &LI) {  in isLiveAtStatepointVarArg()  argument
131   return any_of(VRM.getRegInfo().reg_operands(LI.reg()),  in isLiveAtStatepointVarArg()
140 void VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &LI) {  in calculateSpillWeightAndHint()  argument
141   float Weight = weightCalcHelper(LI);  in calculateSpillWeightAndHint()
145   LI.setWeight(Weight);  in calculateSpillWeightAndHint()
148 float VirtRegAuxInfo::weightCalcHelper(LiveInterval &LI, SlotIndex *Start,  in weightCalcHelper()  argument
160   std::pair<Register, Register> TargetHint = MRI.getRegAllocationHint(LI.reg());  in weightCalcHelper()
162   if (LI.isSpillable()) {  in weightCalcHelper()
163     Register Reg = LI.reg();  in weightCalcHelper()
170       LI.markNotSpillable();  in weightCalcHelper()
174   bool IsSpillable = LI.isSpillable();  in weightCalcHelper()
215            I = MRI.reg_instr_nodbg_begin(LI.reg()),  in weightCalcHelper()
234     if (TII.isUnspillableTerminator(MI) && MI->definesRegister(LI.reg())) {  in weightCalcHelper()
235       LI.markNotSpillable();  in weightCalcHelper()
250       std::tie(Reads, Writes) = MI->readsWritesVirtualRegister(LI.reg());  in weightCalcHelper()
254       if (Writes && IsExiting && LIS.isLiveOutOfMBB(LI, MBB))  in weightCalcHelper()
263     Register HintReg = copyHint(MI, LI.reg(), TRI, MRI);  in weightCalcHelper()
279       MRI.clearSimpleHint(LI.reg());  in weightCalcHelper()
287       MRI.addRegAllocationHint(LI.reg(), Hint.Reg);  in weightCalcHelper()
306   if (ShouldUpdateLI && LI.isZeroLength(LIS.getSlotIndexes()) &&  in weightCalcHelper()
307       !LI.isLiveAtIndexes(LIS.getRegMaskSlots()) &&  in weightCalcHelper()
308       !isLiveAtStatepointVarArg(LI)) {  in weightCalcHelper()
309     LI.markNotSpillable();  in weightCalcHelper()
317   if (isRematerializable(LI, LIS, VRM, *MF.getSubtarget().getInstrInfo()))  in weightCalcHelper()
322   return normalize(TotalWeight, LI.getSize(), NumInstr);  in weightCalcHelper()