LLVM 20.0.0git
Public Member Functions | Static Public Member Functions | List of all members
llvm::sampleprof::SampleProfileReaderRawBinary Class Reference

#include "llvm/ProfileData/SampleProfReader.h"

Inheritance diagram for llvm::sampleprof::SampleProfileReaderRawBinary:
Inheritance graph
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Public Member Functions

 SampleProfileReaderRawBinary (std::unique_ptr< MemoryBuffer > B, LLVMContext &C, SampleProfileFormat Format=SPF_Binary)
 
- Public Member Functions inherited from llvm::sampleprof::SampleProfileReaderBinary
 SampleProfileReaderBinary (std::unique_ptr< MemoryBuffer > B, LLVMContext &C, SampleProfileFormat Format=SPF_None)
 
std::error_code readHeader () override
 Read and validate the file header.
 
std::error_code readImpl () override
 Read sample profiles from the associated file.
 
std::vector< FunctionId > * getNameTable () override
 It includes all the names that have samples either in outline instance or inline instance.
 
- 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 (const FunctionSamples &FS, raw_ostream &OS=dbgs())
 Print the profile for FunctionSamples 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.
 
FunctionSamplesgetSamplesFor (const Function &F)
 Return the samples collected for function F.
 
FunctionSamplesgetSamplesFor (StringRef Fname)
 Return the samples collected for function F.
 
SampleProfileMapgetProfiles ()
 Return all the profiles.
 
void reportError (int64_t LineNumber, const Twine &Msg) const
 Report a parse error message.
 
ProfileSummarygetSummary () const
 Return the profile summary.
 
MemoryBuffergetBuffer () 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< ProfileSymbolListgetProfileSymbolList ()
 
virtual std::vector< FunctionId > * 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.
 
SampleProfileReaderItaniumRemappergetRemapper ()
 
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 (StringRef Filename, LLVMContext &C, vfs::FileSystem &FS, FSDiscriminatorPass P=FSDiscriminatorPass::Base, StringRef 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, StringRef RemapFilename="")
 Create a sample profile reader from the supplied memory buffer.
 

Additional Inherited Members

- Protected Member Functions inherited from llvm::sampleprof::SampleProfileReaderBinary
template<typename T >
ErrorOr< TreadNumber ()
 Read a numeric value of type T from the profile.
 
template<typename T >
ErrorOr< TreadUnencodedNumber ()
 Read a numeric value of type T from the profile.
 
ErrorOr< StringRefreadString ()
 Read a string from the profile.
 
template<typename T >
ErrorOr< size_t > readStringIndex (T &Table)
 Read the string index and check whether it overflows the table.
 
std::error_code readFuncProfile (const uint8_t *Start)
 Read the next function profile instance.
 
std::error_code readProfile (FunctionSamples &FProfile)
 Read the contents of the given profile instance.
 
std::error_code readMagicIdent ()
 Read the contents of Magic number and Version number.
 
std::error_code readSummary ()
 Read profile summary.
 
std::error_code readNameTable ()
 Read the whole name table.
 
ErrorOr< FunctionIdreadStringFromTable (size_t *RetIdx=nullptr)
 Read a string indirectly via the name table. Optionally return the index.
 
ErrorOr< SampleContextFramesreadContextFromTable (size_t *RetIdx=nullptr)
 Read a context indirectly via the CSNameTable.
 
ErrorOr< std::pair< SampleContext, uint64_t > > readSampleContextFromTable ()
 Read a context indirectly via the CSNameTable if the profile has context, otherwise same as readStringFromTable, also return its hash value.
 
- Protected Member Functions inherited from llvm::sampleprof::SampleProfileReader
void computeSummary ()
 Compute summary for this profile.
 
- Static Protected Member Functions inherited from llvm::sampleprof::SampleProfileReader
static std::unique_ptr< ProfileSummarytakeSummary (SampleProfileReader &Reader)
 Take ownership of the summary of this reader.
 
- Protected Attributes inherited from llvm::sampleprof::SampleProfileReaderBinary
const uint8_t * Data = nullptr
 Points to the current location in the buffer.
 
const uint8_t * End = nullptr
 Points to the end of the buffer.
 
std::vector< FunctionIdNameTable
 Function name table.
 
std::vector< SampleContextFrameVectorCSNameTable
 CSNameTable is used to save full context vectors.
 
std::vector< uint64_tMD5SampleContextTable
 Table to cache MD5 values of sample contexts corresponding to readSampleContextFromTable(), used to index into Profiles or FuncOffsetTable.
 
const uint64_tMD5SampleContextStart = nullptr
 The starting address of the table of MD5 values of sample contexts.
 
- Protected Attributes inherited from llvm::sampleprof::SampleProfileReader
SampleProfileMap Profiles
 Map every function to its associated profile.
 
LLVMContextCtx
 LLVM context used to emit diagnostics.
 
std::unique_ptr< MemoryBufferBuffer
 Memory buffer holding the profile file.
 
std::unique_ptr< ProfileSummarySummary
 Profile summary information.
 
std::unique_ptr< SampleProfileReaderItaniumRemapperRemapper
 
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 ModuleM = 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.
 

Detailed Description

Definition at line 677 of file SampleProfReader.h.

Constructor & Destructor Documentation

◆ SampleProfileReaderRawBinary()

llvm::sampleprof::SampleProfileReaderRawBinary::SampleProfileReaderRawBinary ( std::unique_ptr< MemoryBuffer B,
LLVMContext C,
SampleProfileFormat  Format = SPF_Binary 
)
inline

Definition at line 682 of file SampleProfReader.h.

Member Function Documentation

◆ hasFormat()

bool SampleProfileReaderRawBinary::hasFormat ( const MemoryBuffer Buffer)
static

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