llvm::compression Namespace Reference

Namespaces
namespace	xz
namespace	zlib
namespace	zstd

Classes
struct	Params

Enumerations
enum class	Format { Zlib , Zstd }

Functions
Format	formatFor (DebugCompressionType Type)
LLVM_ABI const char *	getReasonIfUnsupported (Format F)
LLVM_ABI const char *	getReasonIfUnsupported (ArrayRef< uint8_t > Input)
LLVM_ABI void	compress (Params P, ArrayRef< uint8_t > Input, SmallVectorImpl< uint8_t > &Output)
LLVM_ABI Error	decompress (DebugCompressionType T, ArrayRef< uint8_t > Input, uint8_t *Output, size_t UncompressedSize)
LLVM_ABI Error	decompress (Format F, ArrayRef< uint8_t > Input, SmallVectorImpl< uint8_t > &Output, size_t UncompressedSize)
LLVM_ABI Error	decompress (DebugCompressionType T, ArrayRef< uint8_t > Input, SmallVectorImpl< uint8_t > &Output, size_t UncompressedSize)
LLVM_ABI Error	decompress (ArrayRef< uint8_t > Input, SmallVectorImpl< uint8_t > &Output, size_t UncompressedSize)

Enumeration Type Documentation

Format

enum class llvm::compression::Format

strong

Enumerator
Zlib
Zstd

Definition at line 95 of file Compression.h.

Function Documentation

compress()

void llvm::compression::compress	(	Params	P,
		ArrayRef< uint8_t >	Input,
		SmallVectorImpl< uint8_t > &	Output )

Definition at line 89 of file Compression.cpp.

References llvm::compression::zlib::compress(), llvm::compression::zstd::compress(), P, Zlib, and Zstd.

Referenced by llvm::object::CompressedOffloadBundle::compress(), llvm::objcopy::elf::CompressedSection::CompressedSection(), and llvm::object::OffloadBinary::write().

decompress() [1/4]

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

Definition at line 130 of file Compression.cpp.

References llvm::createStringError(), decompress(), F, getReasonIfUnsupported(), and identifyFormat().

decompress() [2/4]

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

Definition at line 124 of file Compression.cpp.

References decompress(), formatFor(), and T.

decompress() [3/4]

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

Definition at line 101 of file Compression.cpp.

References llvm::compression::zlib::decompress(), llvm::compression::zstd::decompress(), formatFor(), llvm_unreachable, T, Zlib, and Zstd.

Referenced by decompress(), decompress(), llvm::object::CompressedOffloadBundle::decompress(), llvm::object::Decompressor::decompress(), and llvm::objcopy::elf::ELFSectionWriter< ELFT >::visit().

decompress() [4/4]

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

Definition at line 112 of file Compression.cpp.

References llvm::compression::zlib::decompress(), llvm::compression::zstd::decompress(), F, llvm_unreachable, Zlib, and Zstd.

formatFor()

Format llvm::compression::formatFor ( DebugCompressionType Type )

inline

Definition at line 100 of file Compression.h.

References llvm_unreachable, llvm::None, Zlib, llvm::Zlib, Zstd, and llvm::Zstd.

Referenced by decompress(), decompress(), llvm::compression::Params::Params(), and llvm::objcopy::elf::ELFSectionWriter< ELFT >::visit().

getReasonIfUnsupported() [1/2]

const char * llvm::compression::getReasonIfUnsupported

(

ArrayRef< uint8_t >

Input

)

Definition at line 83 of file Compression.cpp.

References F, getReasonIfUnsupported(), and identifyFormat().

getReasonIfUnsupported() [2/2]

const char * llvm::compression::getReasonIfUnsupported

(

compression::Format

F

)

Definition at line 67 of file Compression.cpp.

References F, llvm::compression::zlib::isAvailable(), llvm::compression::zstd::isAvailable(), llvm_unreachable, Zlib, and Zstd.

Referenced by decompress(), llvm::mcdxbc::SourceInfoBuilder::finalize(), getReasonIfUnsupported(), parseContentsEntries(), llvm::objcopy::elf::ELFSectionWriter< ELFT >::visit(), and llvm::object::OffloadBinary::write().