llvm::sampleprof

Types

Name	Description
`DefaultFunctionPruningStrategy`	Default pruning strategy that drops functions with the fewest samples.
`EytzingerModeT`	Tag type selecting Eytzinger parallel-array storage for SampleProfileFuncOffsetTable.
`EytzingerSampleProfileNameTable`	Name table using Eytzinger-ordered MD5 spans for nested and flat names.
`FunctionId`	Represents a function name from a sample profile as a string or MD5 hash.
`FunctionPruningStrategy`	Strategy for dropping functions when writing a size-limited profile.
`FunctionSamples`	Representation of the samples collected for a function.
`HashKeyMap`	Map that stores values under the hash of the original key.
`InMemoryModeT`	Tag type selecting in-memory DenseMap storage for SampleProfileFuncOffsetTable.
`LazySampleProfileNameTable`	Name table that lazily reads fixed-length MD5 hashes from a memory buffer.
`LineLocation`	Represents the relative location of an instruction.
`MD5SampleProfileNameTable`	Name table backed by an eagerly loaded vector of MD5 FunctionIds.
`ProfileConverter`	Helper class for converting between sample profile layouts.
`ProfileSymbolList`	Records function symbols present in the binary that produced the profile.
`ProfiledCallGraph`	Call graph built from sample profiles for IPO analyses.
`ProfiledCallGraphEdge`	Directed call-graph edge weighted by sample profile data.
`ProfiledCallGraphNode`	Call-graph node representing a profiled function and its outgoing edges.
`SampleContext`	Calling context, leaf function, and state for a FunctionSamples profile.
`SampleContextFrame`	Represents a context frame with profile function and line location.
`SampleContextFrameHash`	Hash functor for SampleContextFrameVector.
`SampleContextTrimmer`	Helper that trims and merges cold context-sensitive profiles.
`SampleProfileFuncOffsetTable`	A unified wrapper representing the function offset table.
`SampleProfileMap`	Map from MD5 context hash to FunctionSamples with SampleContext-friendly API.
`SampleProfileNameTable`	Unified read-only name table for sample profile function identifiers.
`SampleProfileReader`	Sample-based profile reader.
`SampleProfileReaderBinary`	Sample profile reader for binary profile formats.
`SampleProfileReaderExtBinary`	Sample profile reader for the common extensible binary format sections.
`SampleProfileReaderExtBinaryBase`	Base reader for sample profiles in the extensible binary format.
`SampleProfileReaderGCC`	Sample profile reader for GCC AutoFDO (GCOV-based) profiles.
`SampleProfileReaderItaniumRemapper`	Remaps sample profile symbol names using Itanium component equivalences.
`SampleProfileReaderRawBinary`	Sample profile reader for the raw (non-extensible) binary format.
`SampleProfileReaderText`	Sample profile reader for the text profile format.
`SampleProfileWriter`	Sample-based profile writer. Base class.
`SampleProfileWriterBinary`	Sample-based profile writer (binary format).
`SampleProfileWriterExtBinary`	Writer for the standard extensible binary sample profile format.
`SampleProfileWriterExtBinaryBase`	Base writer for the extensible binary sample profile format.
`SampleProfileWriterRawBinary`	Sample-based profile writer for the raw binary format.
`SampleProfileWriterText`	Sample-based profile writer (text format).
`SampleRecord`	Representation of a single sample record.
`SecHdrTableEntry`	One entry in the extensible binary section header table.
`StringSampleProfileNameTable`	Name table backed by an eagerly loaded vector of string FunctionIds.

Type Aliases

Name	Description
`BodySampleMap`	Map from line location to body sample record.
`CallsiteSampleMap`	Map from callsite location to nested callee FunctionSamples.
`CallsiteTypeMap`	Map from callsite location to vtable/type sample counts.
`FunctionSamplesMap`	Map from callee function id to nested FunctionSamples.
`InlineCallStack`	Call stack of nested FunctionSamples used while reading GCC AFDO profiles.
`LocToLocMap`	Map remapping IR locations to matched profile locations.
`NameFunctionSamples`	Pair of a profile key hash and a FunctionSamples pointer.
`SampleContextFrameVector`	Growable vector of SampleContextFrame values.
`SampleContextFrames`	Immutable view of a sequence of SampleContextFrame values.
`TypeCountMap`	Map from C++ polymorphic class type (by vtable) to its sample counter.

Enums

Name	Description
`ContextAttributeMask`	Attribute of context associated with FunctionSamples.
`ContextStateMask`	State of context associated with FunctionSamples.
`EytzingerSpan`	Span identifiers for an Eytzinger-layout name table.
`FSDiscriminatorPass`	Flow-sensitive (FS) discriminator pass used when encoding discriminators.
`HistType`	GCC histogram kinds; only call-target histograms are needed here.
`SampleProfileFormat`	On-disk sample profile format identifiers.
`SampleProfileLayout`	Layout of nested versus flattened sample profiles.
`SecCommonFlags`	Flags common to all extensible binary sample profile sections.
`SecFuncMetadataFlags`	Flags specific to the function metadata section.
`SecFuncOffsetFlags`	Flags specific to the function offset table section.
`SecNameTableFlags`	Flags specific to the name table section.
`SecProfSummaryFlags`	Flags specific to the profile summary section.
`SecProfileSymbolListFlags`	Flags specific to the profile symbol list section.
`SecType`	Section types used by extensible binary sample profile readers/writers.
`SectionLayout`	Section ordering layouts for extensible binary sample profiles.

Functions

Name	Description
`MD5Hash`	Return the MD5 hash code of `Obj.`
`addSecFlag`	Set `Flag` on section header `Entry.`
`hasSecFlag`	Return true if section header `Entry` has `Flag` set.
`hash_value`	Return a hash value for `Obj` suitable for LLVM hashing utilities.
`removeSecFlag`	Clear `Flag` on section header `Entry.`
`serializeTypeMap`	Write `Map` to the output stream. Keys are linearized using `NameTable` and written as ULEB128. Values are written as ULEB128 as well.
`sortFuncProfiles`	Sort profiles from `ProfileMap` into `SortedProfiles` by name hash.
`verifySecFlag`	Assert that `Flag` is legal for section `Type.`
`operator<<`	Stream insertion operators
`operator==`	Return true if `LHS` and `RHS` are equal.
`operator!=`	Return true if `LHS` and `RHS` are not equal.
`operator<`	Return true if `LHS` is ordered before `RHS.`
`operator<=`	Return true if `LHS` is ordered before or equal to `RHS.`
`operator>`	Return true if `LHS` is ordered after `RHS.`
`operator>=`	Return true if `LHS` is ordered after or equal to `RHS.`

Variables

Name	Description
`ExtBinaryHdrLayoutTable`	Section header layouts for each extensible binary SectionLayout.
`EytzingerMode`	Tag value selecting Eytzinger mode for SampleProfileFuncOffsetTable.
`InMemoryMode`	Tag value selecting in-memory mode for SampleProfileFuncOffsetTable.
`kVTableProfPrefix`	Prefix used when encoding vtable type profiles in name tables.