return 0;
}
-instrprof_error
-InstrProfValueSiteRecord::mergeValueData(InstrProfValueSiteRecord &Input,
- uint64_t Weight) {
+instrprof_error InstrProfValueSiteRecord::merge(InstrProfValueSiteRecord &Input,
+ uint64_t Weight) {
this->sortByTargetValues();
Input.sortByTargetValues();
auto I = ValueData.begin();
return Result;
}
+instrprof_error InstrProfValueSiteRecord::scale(uint64_t Weight) {
+ instrprof_error Result = instrprof_error::success;
+ for (auto I = ValueData.begin(), IE = ValueData.end(); I != IE; ++I) {
+ bool Overflowed;
+ I->Count = SaturatingMultiply(I->Count, Weight, &Overflowed);
+ if (Overflowed)
+ Result = instrprof_error::counter_overflow;
+ }
+ return Result;
+}
+
// Merge Value Profile data from Src record to this record for ValueKind.
// Scale merged value counts by \p Weight.
instrprof_error InstrProfRecord::mergeValueProfData(uint32_t ValueKind,
Src.getValueSitesForKind(ValueKind);
instrprof_error Result = instrprof_error::success;
for (uint32_t I = 0; I < ThisNumValueSites; I++)
- MergeResult(Result,
- ThisSiteRecords[I].mergeValueData(OtherSiteRecords[I], Weight));
+ MergeResult(Result, ThisSiteRecords[I].merge(OtherSiteRecords[I], Weight));
return Result;
}
return Result;
}
+instrprof_error InstrProfRecord::scaleValueProfData(uint32_t ValueKind,
+ uint64_t Weight) {
+ uint32_t ThisNumValueSites = getNumValueSites(ValueKind);
+ std::vector<InstrProfValueSiteRecord> &ThisSiteRecords =
+ getValueSitesForKind(ValueKind);
+ instrprof_error Result = instrprof_error::success;
+ for (uint32_t I = 0; I < ThisNumValueSites; I++)
+ MergeResult(Result, ThisSiteRecords[I].scale(Weight));
+ return Result;
+}
+
+instrprof_error InstrProfRecord::scale(uint64_t Weight) {
+ instrprof_error Result = instrprof_error::success;
+ for (auto &Count : this->Counts) {
+ bool Overflowed;
+ Count = SaturatingMultiply(Count, Weight, &Overflowed);
+ if (Overflowed && Result == instrprof_error::success) {
+ Result = instrprof_error::counter_overflow;
+ }
+ }
+ for (uint32_t Kind = IPVK_First; Kind <= IPVK_Last; ++Kind)
+ MergeResult(Result, scaleValueProfData(Kind, Weight));
+
+ return Result;
+}
+
// Map indirect call target name hash to name string.
uint64_t InstrProfRecord::remapValue(uint64_t Value, uint32_t ValueKind,
ValueMapType *ValueMap) {