SampleProf.h File Reference

#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/ProfileData/FunctionId.h"
#include "llvm/ProfileData/HashKeyMap.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/MathExtras.h"
#include <algorithm>
#include <cstdint>
#include <list>
#include <map>
#include <set>
#include <sstream>
#include <string>
#include <system_error>
#include <unordered_map>
#include <utility>

Go to the source code of this file.

Classes
struct	std::is_error_code_enum< llvm::sampleprof_error >
struct	llvm::sampleprof::SecHdrTableEntry
struct	llvm::sampleprof::LineLocation
	Represents the relative location of an instruction. More...
struct	llvm::sampleprof::LineLocationHash
class	llvm::sampleprof::SampleRecord
	Representation of a single sample record. More...
struct	llvm::sampleprof::SampleRecord::CallTargetComparator
struct	llvm::sampleprof::SampleContextFrame
struct	llvm::sampleprof::SampleContextFrameHash
class	llvm::sampleprof::SampleContext
struct	llvm::sampleprof::SampleContext::Hash
class	llvm::sampleprof::FunctionSamples
	Representation of the samples collected for a function. More...
class	llvm::sampleprof::SampleProfileMap
	This class provides operator overloads to the map container using MD5 as the key type, so that existing code can still work in most cases using SampleContext as key. More...
class	llvm::sampleprof::SampleSorter< LocationT, SampleT >
	Sort a LocationT->SampleT map by LocationT. More...
class	llvm::sampleprof::SampleContextTrimmer
	SampleContextTrimmer impelements helper functions to trim, merge cold context profiles. More...
class	llvm::sampleprof::ProfileConverter
	Helper class for profile conversion. More...
struct	llvm::sampleprof::ProfileConverter::FrameNode
class	llvm::sampleprof::ProfileSymbolList
	ProfileSymbolList records the list of function symbols shown up in the binary used to generate the profile. More...
struct	llvm::DenseMapInfo< SampleContext >

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.
namespace	std
	Implement std::hash so that hash_code can be used in STL containers.
namespace	llvm::sampleprof

Typedefs
using	llvm::sampleprof::TypeCountMap = std::map<FunctionId, uint64_t>
	Key represents type of a C++ polymorphic class type by its vtable and value represents its counter.
using	llvm::sampleprof::SampleContextFrameVector = SmallVector<SampleContextFrame, 1>
using	llvm::sampleprof::SampleContextFrames = ArrayRef<SampleContextFrame>
using	llvm::sampleprof::BodySampleMap = std::map<LineLocation, SampleRecord>
using	llvm::sampleprof::FunctionSamplesMap = std::map<FunctionId, FunctionSamples>
using	llvm::sampleprof::CallsiteSampleMap = std::map<LineLocation, FunctionSamplesMap>
using	llvm::sampleprof::CallsiteTypeMap = std::map<LineLocation, TypeCountMap>
using	llvm::sampleprof::LocToLocMap
using	llvm::sampleprof::NameFunctionSamples = std::pair<hash_code, const FunctionSamples *>

Enumerations
enum class	llvm::sampleprof_error {   llvm::success = 0 , llvm::bad_magic , llvm::unsupported_version , llvm::too_large ,   llvm::truncated , llvm::malformed , llvm::unrecognized_format , llvm::unsupported_writing_format ,   llvm::truncated_name_table , llvm::not_implemented , llvm::counter_overflow , llvm::ostream_seek_unsupported ,   llvm::uncompress_failed , llvm::zlib_unavailable , llvm::hash_mismatch , llvm::illegal_line_offset }
enum	llvm::sampleprof::SampleProfileFormat {   llvm::sampleprof::SPF_None = 0 , llvm::sampleprof::SPF_Text = 0x1 , llvm::sampleprof::SPF_Compact_Binary = 0x2 , llvm::sampleprof::SPF_GCC = 0x3 ,   llvm::sampleprof::SPF_Ext_Binary = 0x4 , llvm::sampleprof::SPF_Binary = 0xff }
enum	llvm::sampleprof::SampleProfileLayout { llvm::sampleprof::SPL_None = 0 , llvm::sampleprof::SPL_Nest = 0x1 , llvm::sampleprof::SPL_Flat = 0x2 }
enum	llvm::sampleprof::SecType {   llvm::sampleprof::SecInValid = 0 , llvm::sampleprof::SecProfSummary = 1 , llvm::sampleprof::SecNameTable = 2 , llvm::sampleprof::SecProfileSymbolList = 3 ,   llvm::sampleprof::SecFuncOffsetTable = 4 , llvm::sampleprof::SecFuncMetadata = 5 , llvm::sampleprof::SecCSNameTable = 6 , llvm::sampleprof::SecFuncProfileFirst = 32 ,   llvm::sampleprof::SecLBRProfile = SecFuncProfileFirst }
enum class	llvm::sampleprof::SecCommonFlags : uint32_t { llvm::sampleprof::SecFlagInValid = 0 , llvm::sampleprof::SecFlagCompress = (1 << 0) , llvm::sampleprof::SecFlagFlat = (1 << 1) }
enum class	llvm::sampleprof::SecNameTableFlags : uint32_t { llvm::sampleprof::SecFlagInValid = 0 , llvm::sampleprof::SecFlagMD5Name = (1 << 0) , llvm::sampleprof::SecFlagFixedLengthMD5 = (1 << 1) , llvm::sampleprof::SecFlagUniqSuffix = (1 << 2) }
enum class	llvm::sampleprof::SecProfSummaryFlags : uint32_t {   llvm::sampleprof::SecFlagInValid = 0 , llvm::sampleprof::SecFlagPartial = (1 << 0) , llvm::sampleprof::SecFlagFullContext = (1 << 1) , llvm::sampleprof::SecFlagFSDiscriminator = (1 << 2) ,   llvm::sampleprof::SecFlagIsPreInlined = (1 << 4) , llvm::sampleprof::SecFlagHasVTableTypeProf = (1 << 5) }
enum class	llvm::sampleprof::SecFuncMetadataFlags : uint32_t { llvm::sampleprof::SecFlagInvalid = 0 , llvm::sampleprof::SecFlagIsProbeBased = (1 << 0) , llvm::sampleprof::SecFlagHasAttribute = (1 << 1) }
enum class	llvm::sampleprof::SecFuncOffsetFlags : uint32_t { llvm::sampleprof::SecFlagInvalid = 0 , llvm::sampleprof::SecFlagOrdered = (1 << 0) }
enum	llvm::sampleprof::ContextStateMask {   llvm::sampleprof::UnknownContext = 0x0 , llvm::sampleprof::RawContext = 0x1 , llvm::sampleprof::SyntheticContext = 0x2 , llvm::sampleprof::InlinedContext = 0x4 ,   llvm::sampleprof::MergedContext = 0x8 }
enum	llvm::sampleprof::ContextAttributeMask { llvm::sampleprof::ContextNone = 0x0 , llvm::sampleprof::ContextWasInlined = 0x1 , llvm::sampleprof::ContextShouldBeInlined = 0x2 , llvm::sampleprof::ContextDuplicatedIntoBase }

Functions
LLVM_ABI const std::error_category &	llvm::sampleprof_category ()
std::error_code	llvm::make_error_code (sampleprof_error E)
sampleprof_error	llvm::mergeSampleProfErrors (sampleprof_error &Accumulator, sampleprof_error Result)
static uint64_t	llvm::sampleprof::SPMagic (SampleProfileFormat Format=SPF_Binary)
static uint64_t	llvm::sampleprof::SPVersion ()
static std::string	llvm::sampleprof::getSecName (SecType Type)
template<class SecFlagType>
static void	llvm::sampleprof::verifySecFlag (SecType Type, SecFlagType Flag)
template<class SecFlagType>
static void	llvm::sampleprof::addSecFlag (SecHdrTableEntry &Entry, SecFlagType Flag)
template<class SecFlagType>
static void	llvm::sampleprof::removeSecFlag (SecHdrTableEntry &Entry, SecFlagType Flag)
template<class SecFlagType>
static bool	llvm::sampleprof::hasSecFlag (const SecHdrTableEntry &Entry, SecFlagType Flag)
LLVM_ABI raw_ostream &	llvm::sampleprof::operator<< (raw_ostream &OS, const LineLocation &Loc)
std::error_code	llvm::sampleprof::serializeTypeMap (const TypeCountMap &Map, const MapVector< FunctionId, uint32_t > &NameTable, raw_ostream &OS)
	Write Map to the output stream.
LLVM_ABI raw_ostream &	llvm::sampleprof::operator<< (raw_ostream &OS, const SampleRecord &Sample)
static hash_code	llvm::sampleprof::hash_value (const SampleContextFrame &arg)
static hash_code	llvm::sampleprof::hash_value (const SampleContext &Context)
raw_ostream &	llvm::sampleprof::operator<< (raw_ostream &OS, const SampleContext &Context)
static FunctionId	llvm::sampleprof::getRepInFormat (StringRef Name)
	Get the proper representation of a string according to whether the current Format uses MD5 to represent the string.
LLVM_ABI raw_ostream &	llvm::sampleprof::operator<< (raw_ostream &OS, const FunctionSamples &FS)
LLVM_ABI void	llvm::sampleprof::sortFuncProfiles (const SampleProfileMap &ProfileMap, std::vector< NameFunctionSamples > &SortedProfiles)
std::string	llvm::getUniqueInternalLinkagePostfix (const StringRef &FName)

Variables
constexpr char	llvm::sampleprof::kVTableProfPrefix [] = "vtables "