#include "llvm/ProfileData/SampleProfReader.h"

Inheritance diagram for llvm::sampleprof::SampleProfileReaderGCC:

Public Member Functions
	SampleProfileReaderGCC (std::unique_ptr< MemoryBuffer > B, LLVMContext &C)

std::error_code	readHeader () override
	Read and validate the file header.

std::error_code	readImpl () override
	Read sample profiles from the associated file.

Public Member Functions inherited from llvm::sampleprof::SampleProfileReader
	SampleProfileReader (std::unique_ptr< MemoryBuffer > B, LLVMContext &C, SampleProfileFormat Format=SPF_None)

virtual	~SampleProfileReader ()=default

virtual std::error_code	readHeader ()=0
	Read and validate the file header.

void	setDiscriminatorMaskedBitFrom (FSDiscriminatorPass P)
	Set the bits for FS discriminators.

uint32_t	getDiscriminatorMask () const
	Get the bitmask the discriminators: For FS profiles, return the bit mask for this pass.

std::error_code	read ()
	The interface to read sample profiles from the associated file.

virtual std::error_code	readImpl ()=0
	The implementaion to read sample profiles from the associated file.

void	dumpFunctionProfile (SampleContext FContext, raw_ostream &OS=dbgs())
	Print the profile for `FContext` on stream `OS`.

virtual bool	collectFuncsFromModule ()
	Collect functions with definitions in Module M.

void	dump (raw_ostream &OS=dbgs())
	Print all the profiles on stream `OS`.

void	dumpJson (raw_ostream &OS=dbgs())
	Print all the profiles on stream `OS` in the JSON format.

FunctionSamples *	getSamplesFor (const Function &F)
	Return the samples collected for function `F`.

FunctionSamples *	getOrCreateSamplesFor (const Function &F)
	Return the samples collected for function `F`, create empty FunctionSamples if it doesn't exist.

virtual FunctionSamples *	getSamplesFor (StringRef Fname)
	Return the samples collected for function `F`.

SampleProfileMap &	getProfiles ()
	Return all the profiles.

void	reportError (int64_t LineNumber, const Twine &Msg) const
	Report a parse error message.

ProfileSummary &	getSummary () const
	Return the profile summary.

MemoryBuffer *	getBuffer () const

SampleProfileFormat	getFormat () const
	Return the profile format.

bool	profileIsProbeBased () const
	Whether input profile is based on pseudo probes.

bool	profileIsCS () const
	Whether input profile is fully context-sensitive.

bool	profileIsPreInlined () const
	Whether input profile contains ShouldBeInlined contexts.

bool	profileIsFS () const
	Whether input profile is flow-sensitive.

virtual std::unique_ptr< ProfileSymbolList >	getProfileSymbolList ()

virtual std::vector< StringRef > *	getNameTable ()
	It includes all the names that have samples either in outline instance or inline instance.

virtual bool	dumpSectionInfo (raw_ostream &OS=dbgs())

bool	useMD5 () const
	Return whether names in the profile are all MD5 numbers.

virtual void	setProfileUseMD5 ()
	Force the profile to use MD5 in Sample contexts, even if function names are present.

virtual void	setSkipFlatProf (bool Skip)
	Don't read profile without context if the flag is set.

virtual bool	hasUniqSuffix ()
	Return whether any name in the profile contains ".__uniq." suffix.

SampleProfileReaderItaniumRemapper *	getRemapper ()

void	setModule (const Module *Mod)

Static Public Member Functions
static bool	hasFormat (const MemoryBuffer &Buffer)
	Return true if `Buffer` is in the format supported by this class.

Static Public Member Functions inherited from llvm::sampleprof::SampleProfileReader
static ErrorOr< std::unique_ptr< SampleProfileReader > >	create (const std::string Filename, LLVMContext &C, vfs::FileSystem &FS, FSDiscriminatorPass P=FSDiscriminatorPass::Base, const std::string RemapFilename="")
	Create a sample profile reader appropriate to the file format.

static ErrorOr< std::unique_ptr< SampleProfileReader > >	create (std::unique_ptr< MemoryBuffer > &B, LLVMContext &C, vfs::FileSystem &FS, FSDiscriminatorPass P=FSDiscriminatorPass::Base, const std::string RemapFilename="")
	Create a sample profile reader from the supplied memory buffer.

Protected Member Functions
std::error_code	readNameTable ()

std::error_code	readOneFunctionProfile (const InlineCallStack &InlineStack, bool Update, uint32_t Offset)

std::error_code	readFunctionProfiles ()

std::error_code	skipNextWord ()

template<typename T >
ErrorOr< T >	readNumber ()

ErrorOr< StringRef >	readString ()

std::error_code	readSectionTag (uint32_t Expected)
	Read the section tag and check that it's the same as `Expected`.

Protected Member Functions inherited from llvm::sampleprof::SampleProfileReader
void	computeSummary ()
	Compute summary for this profile.

Protected Attributes
GCOVBuffer	GcovBuffer
	GCOV buffer containing the profile.

std::vector< std::string >	Names
	Function names in this profile.

Protected Attributes inherited from llvm::sampleprof::SampleProfileReader
SampleProfileMap	Profiles
	Map every function to its associated profile.

LLVMContext &	Ctx
	LLVM context used to emit diagnostics.

std::unique_ptr< MemoryBuffer >	Buffer
	Memory buffer holding the profile file.

std::unordered_set< std::string >	MD5NameBuffer
	Extra name buffer holding names created on demand.

std::unique_ptr< ProfileSummary >	Summary
	Profile summary information.

std::unique_ptr< SampleProfileReaderItaniumRemapper >	Remapper

bool	ProfileIsProbeBased = false
	Whether samples are collected based on pseudo probes.

bool	ProfileIsCS = false
	Whether function profiles are context-sensitive flat profiles.

bool	ProfileIsPreInlined = false
	Whether function profile contains ShouldBeInlined contexts.

uint32_t	CSProfileCount = 0
	Number of context-sensitive profiles.

bool	ProfileIsFS = false
	Whether the function profiles use FS discriminators.

SampleProfileFormat	Format = SPF_None
	The format of sample.

const Module *	M = nullptr
	The current module being compiled if SampleProfileReader is used by compiler.

uint32_t	MaskedBitFrom = 31
	Zero out the discriminator bits higher than bit MaskedBitFrom (0 based).

bool	ProfileIsMD5 = false
	Whether the profile uses MD5 for Sample Contexts and function names.

Static Protected Attributes
static const uint32_t	GCOVTagAFDOFileNames = 0xaa000000
	GCOV tags used to separate sections in the profile file.

static const uint32_t	GCOVTagAFDOFunction = 0xac000000

Additional Inherited Members
Static Protected Member Functions inherited from llvm::sampleprof::SampleProfileReader
static std::unique_ptr< ProfileSummary >	takeSummary (SampleProfileReader &Reader)
	Take ownership of the summary of this reader.