#include "llvm/Support/LineIterator.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/OnDiskHashTable.h"
+#include "llvm/Support/raw_ostream.h"
#include <iterator>
namespace llvm {
TextInstrProfReader(std::unique_ptr<MemoryBuffer> DataBuffer_)
: DataBuffer(std::move(DataBuffer_)), Line(*DataBuffer, true, '#') {}
+ /// Return true if the given buffer is in text instrprof format.
+ static bool hasFormat(const MemoryBuffer &Buffer);
+
/// Read the header.
std::error_code readHeader() override { return success(); }
/// Read a single record.
private:
/// The profile data file contents.
std::unique_ptr<MemoryBuffer> DataBuffer;
-
bool ShouldSwapBytes;
uint64_t CountersDelta;
uint64_t NamesDelta;
+ uint64_t ValueDataDelta;
const RawInstrProf::ProfileData<IntPtrT> *Data;
const RawInstrProf::ProfileData<IntPtrT> *DataEnd;
const uint64_t *CountersStart;
const char *NamesStart;
+ const uint8_t *ValueDataStart;
const char *ProfileEnd;
+ uint32_t ValueKindLast;
+
+ // String table for holding a unique copy of all the strings in the profile.
+ InstrProfStringTable StringTable;
+ InstrProfRecord::ValueMapType FunctionPtrToNameMap;
RawInstrProfReader(const RawInstrProfReader &) = delete;
RawInstrProfReader &operator=(const RawInstrProfReader &) = delete;
IntT swap(IntT Int) const {
return ShouldSwapBytes ? sys::getSwappedBytes(Int) : Int;
}
-
+ inline uint8_t getNumPaddingBytes(uint64_t SizeInBytes) {
+ return 7 & (sizeof(uint64_t) - SizeInBytes % sizeof(uint64_t));
+ }
std::error_code readName(InstrProfRecord &Record);
std::error_code readFuncHash(InstrProfRecord &Record);
std::error_code readRawCounts(InstrProfRecord &Record);
+ std::error_code readValueData(InstrProfRecord &Record);
bool atEnd() const { return Data == DataEnd; }
void advanceData() { Data++; }
ptrdiff_t Offset = (swap(NamePtr) - NamesDelta) / sizeof(char);
return NamesStart + Offset;
}
+ const uint8_t *getValueDataCounts(IntPtrT ValueCountsPtr) const {
+ ptrdiff_t Offset =
+ (swap(ValueCountsPtr) - ValueDataDelta) / sizeof(uint8_t);
+ return ValueDataStart + Offset;
+ }
+ // This accepts an already byte-swapped ValueDataPtr argument.
+ const InstrProfValueData *getValueData(IntPtrT ValueDataPtr) const {
+ ptrdiff_t Offset = (ValueDataPtr - ValueDataDelta) / sizeof(uint8_t);
+ return reinterpret_cast<const InstrProfValueData *>(ValueDataStart +
+ Offset);
+ }
};
typedef RawInstrProfReader<uint32_t> RawInstrProfReader32;
/// Fill Counts with the profile data for the given function name.
std::error_code getFunctionCounts(StringRef FuncName, uint64_t FuncHash,
std::vector<uint64_t> &Counts);
+
/// Return the maximum of all known function counts.
uint64_t getMaximumFunctionCount() { return MaxFunctionCount; }