82 bool VirtRegAuxInfo::isRematerializable(const LiveInterval &LI,  in isRematerializable()  argument
86   Register Reg = LI.reg();  in isRematerializable()
88   for (LiveInterval::const_vni_iterator I = LI.vni_begin(), E = LI.vni_end();  in isRematerializable()
132 bool VirtRegAuxInfo::isLiveAtStatepointVarArg(LiveInterval &LI) {  in isLiveAtStatepointVarArg()  argument
133   return any_of(VRM.getRegInfo().reg_operands(LI.reg()),  in isLiveAtStatepointVarArg()
142 void VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &LI) {  in calculateSpillWeightAndHint()  argument
143   float Weight = weightCalcHelper(LI);  in calculateSpillWeightAndHint()
147   LI.setWeight(Weight);  in calculateSpillWeightAndHint()
150 static bool canMemFoldInlineAsm(LiveInterval &LI,  in canMemFoldInlineAsm()  argument
152   for (const MachineOperand &MO : MRI.reg_operands(LI.reg())) {  in canMemFoldInlineAsm()
161 float VirtRegAuxInfo::weightCalcHelper(LiveInterval &LI, SlotIndex *Start,  in weightCalcHelper()  argument
171   std::pair<unsigned, Register> TargetHint = MRI.getRegAllocationHint(LI.reg());  in weightCalcHelper()
173   if (LI.isSpillable()) {  in weightCalcHelper()
174     Register Reg = LI.reg();  in weightCalcHelper()
181       LI.markNotSpillable();  in weightCalcHelper()
185   bool IsSpillable = LI.isSpillable();  in weightCalcHelper()
227            I = MRI.reg_instr_nodbg_begin(LI.reg()),  in weightCalcHelper()
256         MI->definesRegister(LI.reg(), /*TRI=*/nullptr)) {  in weightCalcHelper()
257       LI.markNotSpillable();  in weightCalcHelper()
274       std::tie(Reads, Writes) = MI->readsWritesVirtualRegister(LI.reg());  in weightCalcHelper()
278       if (Writes && IsExiting && LIS.isLiveOutOfMBB(LI, MBB))  in weightCalcHelper()
287     Register HintReg = copyHint(MI, LI.reg(), TRI, MRI);  in weightCalcHelper()
301       MRI.clearSimpleHint(LI.reg());  in weightCalcHelper()
309       MRI.addRegAllocationHint(LI.reg(), Hint.Reg);  in weightCalcHelper()
328   if (ShouldUpdateLI && LI.isZeroLength(LIS.getSlotIndexes()) &&  in weightCalcHelper()
329       !LI.isLiveAtIndexes(LIS.getRegMaskSlots()) &&  in weightCalcHelper()
330       !isLiveAtStatepointVarArg(LI) && !canMemFoldInlineAsm(LI, MRI)) {  in weightCalcHelper()
331     LI.markNotSpillable();  in weightCalcHelper()
339   if (isRematerializable(LI, LIS, VRM, *MF.getSubtarget().getInstrInfo()))  in weightCalcHelper()
344   return normalize(TotalWeight, LI.getSize(), NumInstr);  in weightCalcHelper()