std::error_code
RawInstrProfReader<IntPtrT>::readValueProfilingData(InstrProfRecord &Record) {
Record.clearValueData();
CurValueDataSize = 0;
// Need to match the logic in value profile dumper code in compiler-rt:
uint32_t NumValueKinds = 0;
for (uint32_t I = 0; I < IPVK_Last + 1; I++)
NumValueKinds += (Data->NumValueSites[I] != 0);
if (!NumValueKinds)
return success();
ErrorOr<std::unique_ptr<ValueProfData>> VDataPtrOrErr =
ValueProfData::getValueProfData(ValueDataStart,
(const unsigned char *)ProfileEnd,
getDataEndianness());
if (VDataPtrOrErr.getError())
return VDataPtrOrErr.getError();
VDataPtrOrErr.get()->deserializeTo(Record, &Symtab->getAddrHashMap());
CurValueDataSize = VDataPtrOrErr.get()->getSize();
return success();
}
std::error_code
RawInstrProfReader<IntPtrT>::readValueProfilingData(InstrProfRecord &Record) {
Record.clearValueData();
CurValueDataSize = 0;
// Need to match the logic in value profile dumper code in compiler-rt:
uint32_t NumValueKinds = 0;
for (uint32_t I = 0; I < IPVK_Last + 1; I++)
NumValueKinds += (Data->NumValueSites[I] != 0);
if (!NumValueKinds)
return success();
ErrorOr<std::unique_ptr<ValueProfData>> VDataPtrOrErr =
ValueProfData::getValueProfData(ValueDataStart,
(const unsigned char *)ProfileEnd,
getDataEndianness());
if (VDataPtrOrErr.getError())
return VDataPtrOrErr.getError();
// Note that besides deserialization, this also performs the conversion for
// indirect call targets. The function pointers from the raw profile are
// remapped into function name hashes.
VDataPtrOrErr.get()->deserializeTo(Record, &Symtab->getAddrHashMap());
CurValueDataSize = VDataPtrOrErr.get()->getSize();
return success();
}
std::error_code RawInstrProfReader<IntPtrT>::readValueProfilingData(
InstrProfRecord &Record) {
Record.clearValueData();
if (!Data->Values || (ValueDataDelta == 0))
return success();
// Read value data.
uint64_t NumVSites = 0;
for (uint32_t Kind = IPVK_First; Kind <= ValueKindLast; ++Kind)
NumVSites += swap(Data->NumValueSites[Kind]);
NumVSites += getNumPaddingBytes(NumVSites);
auto VDataCounts = makeArrayRef(getValueDataCounts(Data->Values), NumVSites);
// Check bounds.
if (VDataCounts.data() < ValueDataStart ||
VDataCounts.data() + VDataCounts.size() >
reinterpret_cast<const uint8_t *>(ProfileEnd))
return error(instrprof_error::malformed);
const InstrProfValueData *VDataPtr =
getValueData(swap(Data->Values) + NumVSites);
for (uint32_t Kind = IPVK_First; Kind <= ValueKindLast; ++Kind) {
NumVSites = swap(Data->NumValueSites[Kind]);
Record.reserveSites(Kind, NumVSites);
for (uint32_t VSite = 0; VSite < NumVSites; ++VSite) {
uint32_t VDataCount = VDataCounts[VSite];
if ((const char *)(VDataPtr + VDataCount) > ProfileEnd)
return error(instrprof_error::malformed);
std::vector<InstrProfValueData> CurrentValues;
CurrentValues.reserve(VDataCount);
for (uint32_t VIndex = 0; VIndex < VDataCount; ++VIndex) {
uint64_t TargetValue = swap(VDataPtr->Value);
uint64_t Count = swap(VDataPtr->Count);
CurrentValues.push_back({TargetValue, Count});
++VDataPtr;
}
Record.addValueData(Kind, VSite, CurrentValues.data(),
VDataCount, &FunctionPtrToNameMap);
}
}
return success();
}
