544   findIndirectCallFunctionSamples(const Instruction &I, uint64_t &Sum) const;
551       uint64_t &Sum, SmallVector<CallBase *, 8> *InlinedCallSites = nullptr);
760     const Instruction &Inst, uint64_t &Sum) const {  in findIndirectCallFunctionSamples()
783     Sum = 0;  in findIndirectCallFunctionSamples()
785       Sum += FS->getHeadSamplesEstimate();  in findIndirectCallFunctionSamples()
797   Sum = 0;  in findIndirectCallFunctionSamples()
800       Sum += T_C.second;  in findIndirectCallFunctionSamples()
805       Sum += NameFS.second.getHeadSamplesEstimate();  in findIndirectCallFunctionSamples()
882                   uint64_t Sum) {  in updateIDTMetaData()  argument
900   if (Sum == 0) {  in updateIDTMetaData()
918     Sum = OldSum;  in updateIDTMetaData()
936       assert(Sum >= Data.Count && "Sum should never be less than Data.Count");  in updateIDTMetaData()
937       Sum -= Data.Count;  in updateIDTMetaData()
957                     NewCallTargets, Sum, IPVK_IndirectCallTarget, MaxMDCount);  in updateIDTMetaData()
971     Function &F, InlineCandidate &Candidate, uint64_t SumOrigin, uint64_t &Sum,  in tryPromoteAndInlineCandidate()  argument
1007         CI, R->second, Candidate.CallsiteCount, Sum, false, ORE);  in tryPromoteAndInlineCandidate()
1009       Sum -= Candidate.CallsiteCount;  in tryPromoteAndInlineCandidate()
1239         uint64_t Sum;  in inlineHotFunctions()  local
1240         for (const auto *FS : findIndirectCallFunctionSamples(*I, Sum)) {  in inlineHotFunctions()
1241           uint64_t SumOrigin = Sum;  in inlineHotFunctions()
1251           if (tryPromoteAndInlineCandidate(F, Candidate, SumOrigin, Sum)) {  in inlineHotFunctions()
1505       uint64_t Sum = 0;  in inlineHotFunctionsWithPriority()  local
1506       auto CalleeSamples = findIndirectCallFunctionSamples(*I, Sum);  in inlineHotFunctionsWithPriority()
1507       uint64_t SumOrigin = Sum;  in inlineHotFunctionsWithPriority()
1508       Sum *= Candidate.CallsiteDistribution;  in inlineHotFunctionsWithPriority()
1540         if (tryPromoteAndInlineCandidate(F, Candidate, SumOrigin, Sum,  in inlineHotFunctionsWithPriority()
1696           uint64_t Sum = 0;  in generateMDProfMetadata()  local
1698             Sum += C.second;  in generateMDProfMetadata()
1706                 Sum += NameFS.second.getHeadSamplesEstimate();  in generateMDProfMetadata()
1709           if (Sum)  in generateMDProfMetadata()
1710             updateIDTMetaData(I, SortedCallTargets, Sum);  in generateMDProfMetadata()