llvm::zlib Namespace Reference

Functions
bool	isAvailable ()
Error	compress (StringRef InputBuffer, SmallVectorImpl< char > &CompressedBuffer, int Level=DefaultCompression)
Error	uncompress (StringRef InputBuffer, char *UncompressedBuffer, size_t &UncompressedSize)
Error	uncompress (StringRef InputBuffer, SmallVectorImpl< char > &UncompressedBuffer, size_t UncompressedSize)
uint32_t	crc32 (StringRef Buffer)

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

Function Documentation

compress()

Error llvm::zlib::compress	(	StringRef	InputBuffer,
		SmallVectorImpl< char > &	CompressedBuffer,
		int	Level = DefaultCompression
	)

Definition at line 50 of file Compression.cpp.

References __msan_unpoison, convertZlibCodeToString(), createError(), llvm::StringRef::data(), llvm::SmallVectorTemplateCommon< T, typename >::data(), llvm::SmallVectorImpl< T >::reserve(), llvm::SmallVectorBase::set_size(), llvm::StringRef::size(), and llvm::Error::success().

Referenced by llvm::collectPGOFuncNameStrings(), crc32(), and isWeak().

crc32()

uint32_t llvm::zlib::crc32

(

StringRef

Buffer

)

Definition at line 85 of file Compression.cpp.

References compress(), llvm::StringRef::data(), isAvailable(), llvm_unreachable, llvm::StringRef::size(), and uncompress().

Referenced by llvm::symbolize::LLVMSymbolizer::flush().

isAvailable()

bool llvm::zlib::isAvailable

(

)

Definition at line 48 of file Compression.cpp.

Referenced by llvm::collectPGOFuncNameStrings(), crc32(), llvm::object::Decompressor::create(), llvm::symbolize::LLVMSymbolizer::flush(), INITIALIZE_PASS(), and llvm::readPGOFuncNameStrings().

uncompress() [1/2]

Error llvm::zlib::uncompress	(	StringRef	InputBuffer,
		char *	UncompressedBuffer,
		size_t &	UncompressedSize
	)

Definition at line 64 of file Compression.cpp.

References __msan_unpoison, convertZlibCodeToString(), createError(), llvm::StringRef::data(), llvm::StringRef::size(), and llvm::Error::success().

Referenced by crc32(), llvm::object::Decompressor::decompress(), llvm::readPGOFuncNameStrings(), and uncompress().

uncompress() [2/2]

Error llvm::zlib::uncompress	(	StringRef	InputBuffer,
		SmallVectorImpl< char > &	UncompressedBuffer,
		size_t	UncompressedSize
	)

Definition at line 75 of file Compression.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::data(), E, llvm::SmallVectorImpl< T >::resize(), and uncompress().

Variable Documentation

BestSizeCompression

constexpr int llvm::zlib::BestSizeCompression = 9

static

Definition at line 29 of file Compression.h.

Referenced by llvm::collectPGOFuncNameStrings().

BestSpeedCompression

constexpr int llvm::zlib::BestSpeedCompression = 1

static

Definition at line 27 of file Compression.h.

DefaultCompression

constexpr int llvm::zlib::DefaultCompression = 6

static

Definition at line 28 of file Compression.h.

NoCompression

constexpr int llvm::zlib::NoCompression = 0

static

Definition at line 26 of file Compression.h.