MemProfContextDisambiguation.cpp File Reference

#include "llvm/Transforms/IPO/MemProfContextDisambiguation.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SetOperations.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/MemoryProfileInfo.h"
#include "llvm/Analysis/ModuleSummaryAnalysis.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Bitcode/BitcodeReader.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSummaryIndex.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/Support/InterleavedRange.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/Utils/CallPromotionUtils.h"
#include "llvm/Transforms/Utils/Cloning.h"
#include "llvm/Transforms/Utils/Instrumentation.h"
#include <deque>
#include <sstream>
#include <unordered_map>
#include <vector>

Go to the source code of this file.

Classes
struct	llvm::simplify_type< IndexCall >
struct	llvm::simplify_type< const IndexCall >
struct	llvm::DenseMapInfo< typename CallsiteContextGraph< ModuleCallsiteContextGraph, Function, Instruction * >::CallInfo >
struct	llvm::DenseMapInfo< typename CallsiteContextGraph< IndexCallsiteContextGraph, FunctionSummary, IndexCall >::CallInfo >
struct	llvm::DenseMapInfo< IndexCall >
struct	GraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >
struct	DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Macros
#define	DEBUG_TYPE   "memprof-context-disambiguation"

Enumerations
enum	DotScope { All , Alloc , Context }

Functions
	STATISTIC (FunctionClonesAnalysis, "Number of function clones created during whole program analysis")
	STATISTIC (FunctionClonesThinBackend, "Number of function clones created during ThinLTO backend")
	STATISTIC (FunctionsClonedThinBackend, "Number of functions that had clones created during ThinLTO backend")
	STATISTIC (AllocTypeNotCold, "Number of not cold static allocations (possibly " "cloned) during whole program analysis")
	STATISTIC (AllocTypeCold, "Number of cold static allocations (possibly cloned) " "during whole program analysis")
	STATISTIC (AllocTypeNotColdThinBackend, "Number of not cold static allocations (possibly cloned) during " "ThinLTO backend")
	STATISTIC (AllocTypeColdThinBackend, "Number of cold static allocations " "(possibly cloned) during ThinLTO backend")
	STATISTIC (OrigAllocsThinBackend, "Number of original (not cloned) allocations with memprof profiles " "during ThinLTO backend")
	STATISTIC (AllocVersionsThinBackend, "Number of allocation versions (including clones) during ThinLTO backend")
	STATISTIC (MaxAllocVersionsThinBackend, "Maximum number of allocation versions created for an original " "allocation during ThinLTO backend")
	STATISTIC (UnclonableAllocsThinBackend, "Number of unclonable ambigous allocations during ThinLTO backend")
	STATISTIC (RemovedEdgesWithMismatchedCallees, "Number of edges removed due to mismatched callees (profiled vs IR)")
	STATISTIC (FoundProfiledCalleeCount, "Number of profiled callees found via tail calls")
	STATISTIC (FoundProfiledCalleeDepth, "Aggregate depth of profiled callees found via tail calls")
	STATISTIC (FoundProfiledCalleeMaxDepth, "Maximum depth of profiled callees found via tail calls")
	STATISTIC (FoundProfiledCalleeNonUniquelyCount, "Number of profiled callees found via multiple tail call chains")
	STATISTIC (DeferredBackedges, "Number of backedges with deferred cloning")
	STATISTIC (NewMergedNodes, "Number of new nodes created during merging")
	STATISTIC (NonNewMergedNodes, "Number of non new nodes used during merging")
	STATISTIC (MissingAllocForContextId, "Number of missing alloc nodes for context ids")
	STATISTIC (SkippedCallsCloning, "Number of calls skipped during cloning due to unexpected operand")
	STATISTIC (MismatchedCloneAssignments, "Number of callsites assigned to call multiple non-matching clones")
	STATISTIC (TotalMergeInvokes, "Number of merge invocations for nodes")
	STATISTIC (TotalMergeIters, "Number of merge iterations for nodes")
	STATISTIC (MaxMergeIters, "Max merge iterations for nodes")
cl::opt< bool >	llvm::EnableMemProfContextDisambiguation ("enable-memprof-context-disambiguation", cl::init(false), cl::Hidden, cl::ZeroOrMore, cl::desc("Enable MemProf context disambiguation"))
cl::opt< bool >	llvm::SupportsHotColdNew ("supports-hot-cold-new", cl::init(false), cl::Hidden, cl::desc("Linking with hot/cold operator new interfaces"))
static std::string	getAllocTypeString (uint8_t AllocTypes)
template<typename DerivedCCG , typename FuncTy , typename CallTy >
static void	checkEdge (const std::shared_ptr< ContextEdge< DerivedCCG, FuncTy, CallTy > > &Edge)
template<typename DerivedCCG , typename FuncTy , typename CallTy >
static void	checkNode (const ContextNode< DerivedCCG, FuncTy, CallTy > *Node, bool CheckEdges=true)
static std::string	getMemProfFuncName (Twine Base, unsigned CloneNo)
static bool	isMemProfClone (const Function &F)
static unsigned	getMemProfCloneNum (const Function &F)
bool	checkColdOrNotCold (uint8_t AllocType)
static void	updateSubprogramLinkageName (Function *NewFunc, StringRef Name)
static SmallVector< std::unique_ptr< ValueToValueMapTy >, 4 >	createFunctionClones (Function &F, unsigned NumClones, Module &M, OptimizationRemarkEmitter &ORE, std::map< const Function *, SmallPtrSet< const GlobalAlias *, 1 > > &FuncToAliasMap)
static ValueInfo	findValueInfoForFunc (const Function &F, const Module &M, const ModuleSummaryIndex *ImportSummary, const Function *CallingFunc=nullptr)
static void	checkAllocContextIds (const AllocInfo &AllocNode, const MDNode *MemProfMD, const CallStack< MDNode, MDNode::op_iterator > &CallsiteContext, const ModuleSummaryIndex *ImportSummary)

Variables
static cl::opt< std::string >	DotFilePathPrefix ("memprof-dot-file-path-prefix", cl::init(""), cl::Hidden, cl::value_desc("filename"), cl::desc("Specify the path prefix of the MemProf dot files."))
static cl::opt< bool >	ExportToDot ("memprof-export-to-dot", cl::init(false), cl::Hidden, cl::desc("Export graph to dot files."))
static cl::opt< bool >	DoMergeIteration ("memprof-merge-iteration", cl::init(true), cl::Hidden, cl::desc("Iteratively apply merging on a node to catch new callers"))
static cl::opt< DotScope >	DotGraphScope ("memprof-dot-scope", cl::desc("Scope of graph to export to dot"), cl::Hidden, cl::init(DotScope::All), cl::values(clEnumValN(DotScope::All, "all", "Export full callsite graph"), clEnumValN(DotScope::Alloc, "alloc", "Export only nodes with contexts feeding given " "-memprof-dot-alloc-id"), clEnumValN(DotScope::Context, "context", "Export only nodes with given -memprof-dot-context-id")))
static cl::opt< unsigned >	AllocIdForDot ("memprof-dot-alloc-id", cl::init(0), cl::Hidden, cl::desc("Id of alloc to export if -memprof-dot-scope=alloc " "or to highlight if -memprof-dot-scope=all"))
static cl::opt< unsigned >	ContextIdForDot ("memprof-dot-context-id", cl::init(0), cl::Hidden, cl::desc("Id of context to export if -memprof-dot-scope=context or to " "highlight otherwise"))
static cl::opt< bool >	DumpCCG ("memprof-dump-ccg", cl::init(false), cl::Hidden, cl::desc("Dump CallingContextGraph to stdout after each stage."))
static cl::opt< bool >	VerifyCCG ("memprof-verify-ccg", cl::init(false), cl::Hidden, cl::desc("Perform verification checks on CallingContextGraph."))
static cl::opt< bool >	VerifyNodes ("memprof-verify-nodes", cl::init(false), cl::Hidden, cl::desc("Perform frequent verification checks on nodes."))
static cl::opt< std::string >	MemProfImportSummary ("memprof-import-summary", cl::desc("Import summary to use for testing the ThinLTO backend via opt"), cl::Hidden)
static cl::opt< unsigned >	TailCallSearchDepth ("memprof-tail-call-search-depth", cl::init(5), cl::Hidden, cl::desc("Max depth to recursively search for missing " "frames through tail calls."))
static cl::opt< bool >	AllowRecursiveCallsites ("memprof-allow-recursive-callsites", cl::init(true), cl::Hidden, cl::desc("Allow cloning of callsites involved in recursive cycles"))
static cl::opt< bool >	CloneRecursiveContexts ("memprof-clone-recursive-contexts", cl::init(true), cl::Hidden, cl::desc("Allow cloning of contexts through recursive cycles"))
static cl::opt< bool >	MergeClones ("memprof-merge-clones", cl::init(true), cl::Hidden, cl::desc("Merge clones before assigning functions"))
static cl::opt< bool >	AllowRecursiveContexts ("memprof-allow-recursive-contexts", cl::init(true), cl::Hidden, cl::desc("Allow cloning of contexts having recursive cycles"))
static cl::opt< unsigned >	MemProfICPNoInlineThreshold ("memprof-icp-noinline-threshold", cl::init(2), cl::Hidden, cl::desc("Minimum absolute count for promoted target to be inlinable"))
static cl::opt< bool >	llvm::MemProfRequireDefinitionForPromotion ("memprof-require-definition-for-promotion", cl::init(false), cl::Hidden, cl::desc("Require target function definition when promoting indirect calls"))
cl::opt< bool >	MemProfReportHintedSizes
cl::opt< unsigned >	MinClonedColdBytePercent
static const std::string	MemProfCloneSuffix = ".memprof."

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "memprof-context-disambiguation"

Definition at line 55 of file MemProfContextDisambiguation.cpp.

Enumeration Type Documentation

DotScope

enum DotScope

Enumerator
All
Alloc
Context

Definition at line 121 of file MemProfContextDisambiguation.cpp.

Function Documentation

checkAllocContextIds()

static void checkAllocContextIds ( const AllocInfo &  AllocNode, const MDNode *  MemProfMD, const CallStack< MDNode, MDNode::op_iterator > &  CallsiteContext, const ModuleSummaryIndex *  ImportSummary  )

static

Definition at line 5200 of file MemProfContextDisambiguation.cpp.

References assert(), llvm::memprof::CallStack< NodeT, IteratorT >::beginAfterSharedPrefix(), llvm::memprof::CallStack< NodeT, IteratorT >::end(), llvm::memprof::getMIBStackNode(), llvm::ModuleSummaryIndex::getStackIdAtIndex(), llvm::AllocInfo::MIBs, and llvm::MDNode::operands().

checkColdOrNotCold()

bool checkColdOrNotCold

(

uint8_t

AllocType

)

Definition at line 3646 of file MemProfContextDisambiguation.cpp.

References llvm::Cold, and llvm::NotCold.

checkEdge()

template<typename DerivedCCG , typename FuncTy , typename CallTy >

static void checkEdge ( const std::shared_ptr< ContextEdge< DerivedCCG, FuncTy, CallTy > > &  Edge )

static

Definition at line 1531 of file MemProfContextDisambiguation.cpp.

References assert().

checkNode()

template<typename DerivedCCG , typename FuncTy , typename CallTy >

static void checkNode ( const ContextNode< DerivedCCG, FuncTy, CallTy > *  Node, bool  CheckEdges = true  )

static

Definition at line 1540 of file MemProfContextDisambiguation.cpp.

References AllowRecursiveCallsites, AllowRecursiveContexts, assert(), llvm::drop_begin(), llvm::NodeSet::insert(), llvm::set_is_subset(), llvm::set_union(), and llvm::NodeSet::size().

createFunctionClones()

static SmallVector< std::unique_ptr< ValueToValueMapTy >, 4 > createFunctionClones ( Function &  F, unsigned  NumClones, Module &  M, OptimizationRemarkEmitter &  ORE, std::map< const Function *, SmallPtrSet< const GlobalAlias *, 1 > > &  FuncToAliasMap  )

static

Definition at line 5048 of file MemProfContextDisambiguation.cpp.

References A, assert(), llvm::SmallVectorTemplateCommon< T, typename >::back(), llvm::CloneFunction(), llvm::GlobalAlias::create(), DEBUG_TYPE, llvm::OptimizationRemarkEmitter::emit(), llvm::SmallVectorImpl< T >::emplace_back(), F, getMemProfFuncName(), I, Name, llvm::SmallVectorImpl< T >::reserve(), and updateSubprogramLinkageName().

findValueInfoForFunc()

static ValueInfo findValueInfoForFunc ( const Function &  F, const Module &  M, const ModuleSummaryIndex *  ImportSummary, const Function *  CallingFunc = nullptr  )

static

Definition at line 5110 of file MemProfContextDisambiguation.cpp.

References assert(), F, llvm::GlobalValue::getGUIDAssumingExternalLinkage(), llvm::ModuleSummaryIndex::getOriginalNameBeforePromote(), llvm::ModuleSummaryIndex::getValueInfo(), and llvm::GlobalValue::InternalLinkage.

getAllocTypeString()

static std::string getAllocTypeString ( uint8_t  AllocTypes )

static

Definition at line 1332 of file MemProfContextDisambiguation.cpp.

getMemProfCloneNum()

static unsigned getMemProfCloneNum ( const Function &  F )

static

Definition at line 2076 of file MemProfContextDisambiguation.cpp.

References assert(), F, and isMemProfClone().

getMemProfFuncName()

static std::string getMemProfFuncName ( Twine  Base, unsigned  CloneNo  )

static

Definition at line 2061 of file MemProfContextDisambiguation.cpp.

References llvm::sampleprof::Base, and MemProfCloneSuffix.

Referenced by createFunctionClones().

isMemProfClone()

static bool isMemProfClone ( const Function &  F )

static

Definition at line 2069 of file MemProfContextDisambiguation.cpp.

References F, and MemProfCloneSuffix.

Referenced by getMemProfCloneNum().

STATISTIC() [1/25]

STATISTIC	(	AllocTypeCold	,
		"Number of cold static allocations (possibly cloned) " "during whole program analysis"
	)

STATISTIC() [2/25]

STATISTIC	(	AllocTypeColdThinBackend	,
		"Number of cold static allocations " "(possibly cloned) during ThinLTO backend"
	)

STATISTIC() [3/25]

STATISTIC	(	AllocTypeNotCold	,
		"Number of not cold static allocations (possibly " "cloned) during whole program analysis"
	)

STATISTIC() [4/25]

STATISTIC	(	AllocTypeNotColdThinBackend	,
		"Number of not cold static allocations (possibly cloned) during " "ThinLTO backend"
	)

STATISTIC() [5/25]

STATISTIC	(	AllocVersionsThinBackend	,
		"Number of allocation versions (including clones) during ThinLTO backend"
	)

STATISTIC() [6/25]

STATISTIC	(	DeferredBackedges	,
		"Number of backedges with deferred cloning"
	)

STATISTIC() [7/25]

STATISTIC	(	FoundProfiledCalleeCount	,
		"Number of profiled callees found via tail calls"
	)

STATISTIC() [8/25]

STATISTIC	(	FoundProfiledCalleeDepth	,
		"Aggregate depth of profiled callees found via tail calls"
	)

STATISTIC() [9/25]

STATISTIC	(	FoundProfiledCalleeMaxDepth	,
		"Maximum depth of profiled callees found via tail calls"
	)

STATISTIC() [10/25]

STATISTIC	(	FoundProfiledCalleeNonUniquelyCount	,
		"Number of profiled callees found via multiple tail call chains"
	)

STATISTIC() [11/25]

STATISTIC	(	FunctionClonesAnalysis	,
		"Number of function clones created during whole program analysis"
	)

STATISTIC() [12/25]

STATISTIC	(	FunctionClonesThinBackend	,
		"Number of function clones created during ThinLTO backend"
	)

STATISTIC() [13/25]

STATISTIC	(	FunctionsClonedThinBackend	,
		"Number of functions that had clones created during ThinLTO backend"
	)

STATISTIC() [14/25]

STATISTIC	(	MaxAllocVersionsThinBackend	,
		"Maximum number of allocation versions created for an original " "allocation during ThinLTO backend"
	)

STATISTIC() [15/25]

STATISTIC	(	MaxMergeIters	,
		"Max merge iterations for nodes"
	)

STATISTIC() [16/25]

STATISTIC	(	MismatchedCloneAssignments	,
		"Number of callsites assigned to call multiple non-matching clones"
	)

STATISTIC() [17/25]

STATISTIC	(	MissingAllocForContextId	,
		"Number of missing alloc nodes for context ids"
	)

STATISTIC() [18/25]

STATISTIC	(	NewMergedNodes	,
		"Number of new nodes created during merging"
	)

STATISTIC() [19/25]

STATISTIC	(	NonNewMergedNodes	,
		"Number of non new nodes used during merging"
	)

STATISTIC() [20/25]

STATISTIC	(	OrigAllocsThinBackend	,
		"Number of original (not cloned) allocations with memprof profiles " "during ThinLTO backend"
	)

STATISTIC() [21/25]

STATISTIC	(	RemovedEdgesWithMismatchedCallees	,
		"Number of edges removed due to mismatched callees (profiled vs IR)"
	)

STATISTIC() [22/25]

STATISTIC	(	SkippedCallsCloning	,
		"Number of calls skipped during cloning due to unexpected operand"
	)

STATISTIC() [23/25]

STATISTIC	(	TotalMergeInvokes	,
		"Number of merge invocations for nodes"
	)

STATISTIC() [24/25]

STATISTIC	(	TotalMergeIters	,
		"Number of merge iterations for nodes"
	)

STATISTIC() [25/25]

STATISTIC	(	UnclonableAllocsThinBackend	,
		"Number of unclonable ambigous allocations during ThinLTO backend"
	)

updateSubprogramLinkageName()

static void updateSubprogramLinkageName ( Function *  NewFunc, StringRef  Name  )

static

Definition at line 4055 of file MemProfContextDisambiguation.cpp.

References assert(), llvm::MDNode::clone(), llvm::MDString::get(), llvm::Module::getContext(), llvm::Value::getName(), llvm::GlobalValue::getParent(), llvm::Function::getSubprogram(), Name, and llvm::MDNode::replaceWithUniqued().

Referenced by createFunctionClones().

Variable Documentation

AllocIdForDot

cl::opt< unsigned > AllocIdForDot("memprof-dot-alloc-id", cl::init(0), cl::Hidden, cl::desc("Id of alloc to export if -memprof-dot-scope=alloc " "or to highlight if -memprof-dot-scope=all")) ( "memprof-dot-alloc-id"  , cl::init(0)  , cl::Hidden  , cl::desc("Id of alloc to export if -memprof-dot-scope=alloc " "or to highlight if -memprof-dot-scope=all")    )

static

Referenced by DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >::DOTGraphTraits(), DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >::getEdgeAttributes(), DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >::getNodeAttributes(), and llvm::MemProfContextDisambiguation::MemProfContextDisambiguation().

AllowRecursiveCallsites

cl::opt< bool > AllowRecursiveCallsites("memprof-allow-recursive-callsites", cl::init(true), cl::Hidden, cl::desc("Allow cloning of callsites involved in recursive cycles")) ( "memprof-allow-recursive-callsites"  , cl::init(true)  , cl::Hidden  , cl::desc("Allow cloning of callsites involved in recursive cycles")    )

static

Referenced by checkNode().

AllowRecursiveContexts

cl::opt< bool > AllowRecursiveContexts("memprof-allow-recursive-contexts", cl::init(true), cl::Hidden, cl::desc("Allow cloning of contexts having recursive cycles")) ( "memprof-allow-recursive-contexts"  , cl::init(true)  , cl::Hidden  , cl::desc("Allow cloning of contexts having recursive cycles")    )

static

Referenced by checkNode().

CloneRecursiveContexts

cl::opt< bool > CloneRecursiveContexts("memprof-clone-recursive-contexts", cl::init(true), cl::Hidden, cl::desc("Allow cloning of contexts through recursive cycles")) ( "memprof-clone-recursive-contexts"  , cl::init(true)  , cl::Hidden  , cl::desc("Allow cloning of contexts through recursive cycles")    )

static

ContextIdForDot

cl::opt< unsigned > ContextIdForDot("memprof-dot-context-id", cl::init(0), cl::Hidden, cl::desc("Id of context to export if -memprof-dot-scope=context or to " "highlight otherwise")) ( "memprof-dot-context-id"  , cl::init(0)  , cl::Hidden  , cl::desc("Id of context to export if -memprof-dot-scope=context or to " "highlight otherwise")    )

static

Referenced by DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >::DOTGraphTraits(), DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >::getEdgeAttributes(), DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >::getNodeAttributes(), DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >::isNodeHidden(), and llvm::MemProfContextDisambiguation::MemProfContextDisambiguation().

DoMergeIteration

cl::opt< bool > DoMergeIteration("memprof-merge-iteration", cl::init(true), cl::Hidden, cl::desc("Iteratively apply merging on a node to catch new callers")) ( "memprof-merge-iteration"  , cl::init(true)  , cl::Hidden  , cl::desc("Iteratively apply merging on a node to catch new callers")    )

static

DotFilePathPrefix

cl::opt< std::string > DotFilePathPrefix("memprof-dot-file-path-prefix", cl::init(""), cl::Hidden, cl::value_desc("filename"), cl::desc("Specify the path prefix of the MemProf dot files.")) ( "memprof-dot-file-path-prefix"  , cl::init("")  , cl::Hidden  , cl::value_desc("filename")  , cl::desc("Specify the path prefix of the MemProf dot files.")    )

static

DotGraphScope

cl::opt< DotScope > DotGraphScope("memprof-dot-scope", cl::desc("Scope of graph to export to dot"), cl::Hidden, cl::init(DotScope::All), cl::values( clEnumValN(DotScope::All, "all", "Export full callsite graph"), clEnumValN(DotScope::Alloc, "alloc", "Export only nodes with contexts feeding given " "-memprof-dot-alloc-id"), clEnumValN(DotScope::Context, "context", "Export only nodes with given -memprof-dot-context-id"))) ( "memprof-dot-scope"  , cl::desc("Scope of graph to export to dot")  , cl::Hidden  , cl::init(DotScope::All)  , cl::values( clEnumValN(DotScope::All, "all", "Export full callsite graph"), clEnumValN(DotScope::Alloc, "alloc", "Export only nodes with contexts feeding given " "-memprof-dot-alloc-id"), clEnumValN(DotScope::Context, "context", "Export only nodes with given -memprof-dot-context-id"))    )

static

Referenced by DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >::DOTGraphTraits(), DOTGraphTraits< const CallsiteContextGraph< DerivedCCG, FuncTy, CallTy > * >::isNodeHidden(), and llvm::MemProfContextDisambiguation::MemProfContextDisambiguation().

DumpCCG

cl::opt< bool > DumpCCG("memprof-dump-ccg", cl::init(false), cl::Hidden, cl::desc("Dump CallingContextGraph to stdout after each stage.")) ( "memprof-dump-ccg"  , cl::init(false)  , cl::Hidden  , cl::desc("Dump CallingContextGraph to stdout after each stage.")    )

static

ExportToDot

cl::opt< bool > ExportToDot("memprof-export-to-dot", cl::init(false), cl::Hidden, cl::desc("Export graph to dot files.")) ( "memprof-export-to-dot"  , cl::init(false)  , cl::Hidden  , cl::desc("Export graph to dot files.")    )

static

MemProfCloneSuffix

const std::string MemProfCloneSuffix = ".memprof."

static

Definition at line 2059 of file MemProfContextDisambiguation.cpp.

Referenced by getMemProfFuncName(), and isMemProfClone().

MemProfICPNoInlineThreshold

cl::opt< unsigned > MemProfICPNoInlineThreshold("memprof-icp-noinline-threshold", cl::init(2), cl::Hidden, cl::desc("Minimum absolute count for promoted target to be inlinable")) ( "memprof-icp-noinline-threshold"  , cl::init(2)  , cl::Hidden  , cl::desc("Minimum absolute count for promoted target to be inlinable")    )

static

MemProfImportSummary

cl::opt< std::string > MemProfImportSummary("memprof-import-summary", cl::desc("Import summary to use for testing the ThinLTO backend via opt"), cl::Hidden) ( "memprof-import-summary"  , cl::desc("Import summary to use for testing the ThinLTO backend via opt")  , cl::Hidden    )

static

Referenced by llvm::MemProfContextDisambiguation::MemProfContextDisambiguation().

MemProfReportHintedSizes

cl::opt<bool> MemProfReportHintedSizes

extern

MergeClones

cl::opt< bool > MergeClones("memprof-merge-clones", cl::init(true), cl::Hidden, cl::desc("Merge clones before assigning functions")) ( "memprof-merge-clones"  , cl::init(true)  , cl::Hidden  , cl::desc("Merge clones before assigning functions")    )

static

MinClonedColdBytePercent

cl::opt<unsigned> MinClonedColdBytePercent

extern

TailCallSearchDepth

cl::opt< unsigned > TailCallSearchDepth("memprof-tail-call-search-depth", cl::init(5), cl::Hidden, cl::desc("Max depth to recursively search for missing " "frames through tail calls.")) ( "memprof-tail-call-search-depth"  , cl::init(5)  , cl::Hidden  , cl::desc("Max depth to recursively search for missing " "frames through tail calls.")    )

static

VerifyCCG

cl::opt< bool > VerifyCCG("memprof-verify-ccg", cl::init(false), cl::Hidden, cl::desc("Perform verification checks on CallingContextGraph.")) ( "memprof-verify-ccg"  , cl::init(false)  , cl::Hidden  , cl::desc("Perform verification checks on CallingContextGraph.")    )

static

VerifyNodes

cl::opt< bool > VerifyNodes("memprof-verify-nodes", cl::init(false), cl::Hidden, cl::desc("Perform frequent verification checks on nodes.")) ( "memprof-verify-nodes"  , cl::init(false)  , cl::Hidden  , cl::desc("Perform frequent verification checks on nodes.")    )

static