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[PGO] Regroup functions in better order (NFC)

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llvm-svn: 254080
This commit is contained in:
Xinliang David Li 2015-11-25 19:13:00 +00:00
parent 86c5d917ca
commit 4b5a7c9aac
1 changed files with 96 additions and 93 deletions
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189
lib/ProfileData/InstrProf.cpp
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@ -131,85 +131,6 @@ GlobalVariable *createPGOFuncNameVar(Function &F, StringRef FuncName) {
return createPGOFuncNameVar(*F.getParent(), F.getLinkage(), FuncName);
}
uint64_t stringToHash(uint32_t ValueKind, uint64_t Value) {
switch (ValueKind) {
case IPVK_IndirectCallTarget:
return IndexedInstrProf::ComputeHash(IndexedInstrProf::HashType,
(const char *)Value);
break;
default:
llvm_unreachable("value kind not handled !");
}
return Value;
}
void ValueProfRecord::deserializeTo(InstrProfRecord &Record,
InstrProfRecord::ValueMapType *VMap) {
Record.reserveSites(Kind, NumValueSites);
InstrProfValueData *ValueData = getValueProfRecordValueData(this);
for (uint64_t VSite = 0; VSite < NumValueSites; ++VSite) {
uint8_t ValueDataCount = this->SiteCountArray[VSite];
Record.addValueData(Kind, VSite, ValueData, ValueDataCount, VMap);
ValueData += ValueDataCount;
}
}
// Extract data from \c Closure and serialize into \c This instance.
void serializeValueProfRecordFrom(ValueProfRecord *This,
ValueProfRecordClosure *Closure,
uint32_t ValueKind, uint32_t NumValueSites) {
uint32_t S;
const void *Record = Closure->Record;
This->Kind = ValueKind;
This->NumValueSites = NumValueSites;
InstrProfValueData *DstVD = getValueProfRecordValueData(This);
for (S = 0; S < NumValueSites; S++) {
uint32_t ND = Closure->GetNumValueDataForSite(Record, ValueKind, S);
This->SiteCountArray[S] = ND;
Closure->GetValueForSite(Record, DstVD, ValueKind, S,
Closure->RemapValueData);
DstVD += ND;
}
}
template <class T>
static T swapToHostOrder(const unsigned char *&D, support::endianness Orig) {
using namespace support;
if (Orig == little)
return endian::readNext<T, little, unaligned>(D);
else
return endian::readNext<T, big, unaligned>(D);
}
// For writing/serializing, Old is the host endianness, and New is
// byte order intended on disk. For Reading/deserialization, Old
// is the on-disk source endianness, and New is the host endianness.
void ValueProfRecord::swapBytes(support::endianness Old,
support::endianness New) {
using namespace support;
if (Old == New)
return;
if (getHostEndianness() != Old) {
sys::swapByteOrder<uint32_t>(NumValueSites);
sys::swapByteOrder<uint32_t>(Kind);
}
uint32_t ND = getValueProfRecordNumValueData(this);
InstrProfValueData *VD = getValueProfRecordValueData(this);
// No need to swap byte array: SiteCountArrray.
for (uint32_t I = 0; I < ND; I++) {
sys::swapByteOrder<uint64_t>(VD[I].Value);
sys::swapByteOrder<uint64_t>(VD[I].Count);
}
if (getHostEndianness() == Old) {
sys::swapByteOrder<uint32_t>(NumValueSites);
sys::swapByteOrder<uint32_t>(Kind);
}
}
/// Return the total size in bytes of the on-disk value profile data
/// given the data stored in Record.
uint32_t getValueProfDataSize(ValueProfRecordClosure *Closure) {
@ -230,23 +151,25 @@ uint32_t getValueProfDataSize(ValueProfRecordClosure *Closure) {
return TotalSize;
}
void ValueProfData::deserializeTo(InstrProfRecord &Record,
InstrProfRecord::ValueMapType *VMap) {
if (NumValueKinds == 0)
return;
// Extract data from \c Closure and serialize into \c This instance.
void serializeValueProfRecordFrom(ValueProfRecord *This,
ValueProfRecordClosure *Closure,
uint32_t ValueKind, uint32_t NumValueSites) {
uint32_t S;
const void *Record = Closure->Record;
This->Kind = ValueKind;
This->NumValueSites = NumValueSites;
InstrProfValueData *DstVD = getValueProfRecordValueData(This);
ValueProfRecord *VR = getFirstValueProfRecord(this);
for (uint32_t K = 0; K < NumValueKinds; K++) {
VR->deserializeTo(Record, VMap);
VR = getValueProfRecordNext(VR);
for (S = 0; S < NumValueSites; S++) {
uint32_t ND = Closure->GetNumValueDataForSite(Record, ValueKind, S);
This->SiteCountArray[S] = ND;
Closure->GetValueForSite(Record, DstVD, ValueKind, S,
Closure->RemapValueData);
DstVD += ND;
}
}
static std::unique_ptr<ValueProfData> allocValueProfData(uint32_t TotalSize) {
return std::unique_ptr<ValueProfData>(new (::operator new(TotalSize))
ValueProfData());
}
ValueProfData *serializeValueProfDataFrom(ValueProfRecordClosure *Closure) {
uint32_t TotalSize = getValueProfDataSize(Closure);
@ -295,6 +218,18 @@ void getValueForSiteInstrProf(const void *R, InstrProfValueData *Dst,
->getValueForSite(Dst, K, S, Mapper);
}
uint64_t stringToHash(uint32_t ValueKind, uint64_t Value) {
switch (ValueKind) {
case IPVK_IndirectCallTarget:
return IndexedInstrProf::ComputeHash(IndexedInstrProf::HashType,
(const char *)Value);
break;
default:
llvm_unreachable("value kind not handled !");
}
return Value;
}
ValueProfData *allocValueProfDataInstrProf(size_t TotalSizeInBytes) {
return (ValueProfData *)(new (::operator new(TotalSizeInBytes))
ValueProfData());
@ -308,13 +243,16 @@ static ValueProfRecordClosure InstrProfRecordClosure = {
getNumValueDataForSiteInstrProf,
stringToHash,
getValueForSiteInstrProf,
allocValueProfDataInstrProf};
allocValueProfDataInstrProf
};
// Wrapper implementation using the closure mechanism.
uint32_t ValueProfData::getSize(const InstrProfRecord &Record) {
InstrProfRecordClosure.Record = &Record;
return getValueProfDataSize(&InstrProfRecordClosure);
}
// Wrapper implementation using the closure mechanism.
std::unique_ptr<ValueProfData>
ValueProfData::serializeFrom(const InstrProfRecord &Record) {
InstrProfRecordClosure.Record = &Record;
@ -324,6 +262,70 @@ ValueProfData::serializeFrom(const InstrProfRecord &Record) {
return VPD;
}
void ValueProfRecord::deserializeTo(InstrProfRecord &Record,
InstrProfRecord::ValueMapType *VMap) {
Record.reserveSites(Kind, NumValueSites);
InstrProfValueData *ValueData = getValueProfRecordValueData(this);
for (uint64_t VSite = 0; VSite < NumValueSites; ++VSite) {
uint8_t ValueDataCount = this->SiteCountArray[VSite];
Record.addValueData(Kind, VSite, ValueData, ValueDataCount, VMap);
ValueData += ValueDataCount;
}
}
// For writing/serializing, Old is the host endianness, and New is
// byte order intended on disk. For Reading/deserialization, Old
// is the on-disk source endianness, and New is the host endianness.
void ValueProfRecord::swapBytes(support::endianness Old,
support::endianness New) {
using namespace support;
if (Old == New)
return;
if (getHostEndianness() != Old) {
sys::swapByteOrder<uint32_t>(NumValueSites);
sys::swapByteOrder<uint32_t>(Kind);
}
uint32_t ND = getValueProfRecordNumValueData(this);
InstrProfValueData *VD = getValueProfRecordValueData(this);
// No need to swap byte array: SiteCountArrray.
for (uint32_t I = 0; I < ND; I++) {
sys::swapByteOrder<uint64_t>(VD[I].Value);
sys::swapByteOrder<uint64_t>(VD[I].Count);
}
if (getHostEndianness() == Old) {
sys::swapByteOrder<uint32_t>(NumValueSites);
sys::swapByteOrder<uint32_t>(Kind);
}
}
void ValueProfData::deserializeTo(InstrProfRecord &Record,
InstrProfRecord::ValueMapType *VMap) {
if (NumValueKinds == 0)
return;
ValueProfRecord *VR = getFirstValueProfRecord(this);
for (uint32_t K = 0; K < NumValueKinds; K++) {
VR->deserializeTo(Record, VMap);
VR = getValueProfRecordNext(VR);
}
}
template <class T>
static T swapToHostOrder(const unsigned char *&D, support::endianness Orig) {
using namespace support;
if (Orig == little)
return endian::readNext<T, little, unaligned>(D);
else
return endian::readNext<T, big, unaligned>(D);
}
static std::unique_ptr<ValueProfData> allocValueProfData(uint32_t TotalSize) {
return std::unique_ptr<ValueProfData>(new (::operator new(TotalSize))
ValueProfData());
}
ErrorOr<std::unique_ptr<ValueProfData>>
ValueProfData::getValueProfData(const unsigned char *D,
const unsigned char *const BufferEnd,
@ -392,4 +394,5 @@ void ValueProfData::swapBytesFromHost(support::endianness Endianness) {
sys::swapByteOrder<uint32_t>(TotalSize);
sys::swapByteOrder<uint32_t>(NumValueKinds);
}
}