LLVM: llvm::IndexedInstrProfReader Class Reference

LLVM API Documentation

Reader for the indexed binary instrprof format. More...

#include <InstrProfReader.h>

Inheritance diagram for llvm::IndexedInstrProfReader:

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Collaboration diagram for llvm::IndexedInstrProfReader:

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List of all members.

Public Member Functions
	IndexedInstrProfReader (std::unique_ptr< MemoryBuffer > DataBuffer)
std::error_code	readHeader () override
	Read the file header.
std::error_code	readNextRecord (InstrProfRecord &Record) override
	Read a single record.
std::error_code	getFunctionCounts (StringRef FuncName, uint64_t FuncHash, std::vector< uint64_t > &Counts)
	Fill Counts with the profile data for the given function name.
uint64_t	getMaximumFunctionCount ()
	Return the maximum of all known function counts.
Static Public Member Functions
static bool	hasFormat (const MemoryBuffer &DataBuffer)
	Return true if the given buffer is in an indexed instrprof format.
static std::error_code	create (std::string Path, std::unique_ptr< IndexedInstrProfReader > &Result)
	Factory method to create an indexed reader.

Detailed Description

Reader for the indexed binary instrprof format.

Definition at line 262 of file InstrProfReader.h.

Constructor & Destructor Documentation

llvm::IndexedInstrProfReader::IndexedInstrProfReader ( std::unique_ptr< MemoryBuffer > DataBuffer ) [inline]

Definition at line 281 of file InstrProfReader.h.

Member Function Documentation

std::error_code IndexedInstrProfReader::create	(	std::string	Path,
		std::unique_ptr< IndexedInstrProfReader > &	Result
	)		`[static]`

Factory method to create an indexed reader.

Definition at line 64 of file InstrProfReader.cpp.

References llvm::bad_magic, hasFormat(), initializeReader(), and setupMemoryBuffer().

std::error_code IndexedInstrProfReader::getFunctionCounts	(	StringRef	FuncName,
		uint64_t	FuncHash,
		std::vector< uint64_t > &	Counts
	)

Fill Counts with the profile data for the given function name.

Definition at line 336 of file InstrProfReader.cpp.

References llvm::InstrProfReader::error(), llvm::hash_mismatch, I, llvm::malformed, llvm::ArrayRef< T >::size(), llvm::ArrayRef< T >::slice(), llvm::InstrProfReader::success(), and llvm::unknown_function.

uint64_t llvm::IndexedInstrProfReader::getMaximumFunctionCount ( ) [inline]

Return the maximum of all known function counts.

Definition at line 296 of file InstrProfReader.h.

bool IndexedInstrProfReader::hasFormat ( const MemoryBuffer & DataBuffer ) [static]

Return true if the given buffer is in an indexed instrprof format.

Definition at line 289 of file InstrProfReader.cpp.

References llvm::MemoryBuffer::getBufferSize(), llvm::MemoryBuffer::getBufferStart(), and Magic.

Referenced by llvm::InstrProfReader::create(), and create().

std::error_code IndexedInstrProfReader::readHeader ( ) [override, virtual]

Read the file header.

Implements llvm::InstrProfReader.

Definition at line 298 of file InstrProfReader.cpp.

References llvm::bad_magic, llvm::OnDiskIterableChainedHashTable< Info >::Create(), llvm::InstrProfReader::error(), llvm::IndexedInstrProf::HashType, llvm::IndexedInstrProf::Last, llvm::IndexedInstrProf::Magic, llvm::InstrProfReader::success(), llvm::truncated, llvm::unsupported_hash_type, llvm::unsupported_version, and llvm::IndexedInstrProf::Version.

std::error_code IndexedInstrProfReader::readNextRecord ( InstrProfRecord & Record ) [override, virtual]

Read a single record.

Implements llvm::InstrProfReader.

Definition at line 365 of file InstrProfReader.cpp.

References llvm::InstrProfRecord::Counts, llvm::eof, llvm::InstrProfReader::error(), llvm::InstrProfRecord::Hash, llvm::malformed, llvm::InstrProfRecord::Name, llvm::ArrayRef< T >::size(), llvm::ArrayRef< T >::slice(), and llvm::InstrProfReader::success().

The documentation for this class was generated from the following files: