llvm::compression::zlib Namespace Reference

Functions
LLVM_ABI bool	isAvailable ()
LLVM_ABI void	compress (ArrayRef< uint8_t > Input, SmallVectorImpl< uint8_t > &CompressedBuffer, int Level=DefaultCompression)
LLVM_ABI Error	decompress (ArrayRef< uint8_t > Input, uint8_t *Output, size_t &UncompressedSize)
LLVM_ABI Error	decompress (ArrayRef< uint8_t > Input, SmallVectorImpl< uint8_t > &Output, size_t UncompressedSize)

Variables
constexpr int	NoCompression = 0
constexpr int	BestSpeedCompression = 1
constexpr int	DefaultCompression = 6
constexpr int	BestSizeCompression = 9

Function Documentation

compress()

void llvm::compression::zlib::compress	(	ArrayRef< uint8_t >	Input,
		SmallVectorImpl< uint8_t > &	CompressedBuffer,
		int	Level = DefaultCompression )

Definition at line 147 of file Compression.cpp.

References llvm_unreachable.

Referenced by llvm::collectGlobalObjectNameStrings(), llvm::compression::compress(), and llvm::coverage::CoverageFilenamesSectionWriter::write().

decompress() [1/2]

Error llvm::compression::zlib::decompress	(	ArrayRef< uint8_t >	Input,
		SmallVectorImpl< uint8_t > &	Output,
		size_t	UncompressedSize )

Definition at line 155 of file Compression.cpp.

References llvm_unreachable.

decompress() [2/2]

Error llvm::compression::zlib::decompress	(	ArrayRef< uint8_t >	Input,
		uint8_t *	Output,
		size_t &	UncompressedSize )

Definition at line 151 of file Compression.cpp.

References llvm_unreachable.

Referenced by llvm::compression::decompress(), llvm::compression::decompress(), llvm::getValueProfRecordNumValueData(), and llvm::coverage::RawCoverageFilenamesReader::read().

isAvailable()

bool llvm::compression::zlib::isAvailable

(

)

Definition at line 146 of file Compression.cpp.

Referenced by llvm::collectPGOFuncNameStrings(), llvm::collectVTableStrings(), llvm::object::CompressedOffloadBundle::compress(), llvm::compression::getReasonIfUnsupported(), llvm::getValueProfRecordNumValueData(), llvm::coverage::RawCoverageFilenamesReader::read(), and llvm::coverage::CoverageFilenamesSectionWriter::write().

Variable Documentation

BestSizeCompression

int llvm::compression::zlib::BestSizeCompression = 9

constexpr

Definition at line 40 of file Compression.h.

Referenced by llvm::collectGlobalObjectNameStrings(), and llvm::coverage::CoverageFilenamesSectionWriter::write().

BestSpeedCompression

int llvm::compression::zlib::BestSpeedCompression = 1

constexpr

Definition at line 38 of file Compression.h.

DefaultCompression

int llvm::compression::zlib::DefaultCompression = 6

constexpr

Definition at line 39 of file Compression.h.

NoCompression

int llvm::compression::zlib::NoCompression = 0

constexpr

Definition at line 37 of file Compression.h.