InstrProfiling.cpp File Reference

#include "llvm/Transforms/Instrumentation/InstrProfiling.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Analysis/BlockFrequencyInfo.h"
#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/CFG.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DIBuilder.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/Pass.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/ProfileData/InstrProfCorrelator.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/TargetParser/Triple.h"
#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/Instrumentation.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"
#include "llvm/Transforms/Utils/SSAUpdater.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <string>
#include "llvm/ProfileData/InstrProfData.inc"

Go to the source code of this file.

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

Macros
#define	DEBUG_TYPE   "instrprof"
#define	VALUE_PROF_FUNC_PARAM(ParamType, ParamName, ParamLLVMType)   ParamLLVMType
#define	INSTR_PROF_VTABLE_DATA(Type, LLVMType, Name, Init)   LLVMType,
#define	INSTR_PROF_VTABLE_DATA(Type, LLVMType, Name, Init)   Init,
#define	INSTR_PROF_DATA(Type, LLVMType, Name, Init)   LLVMType,
#define	INSTR_PROF_DATA(Type, LLVMType, Name, Init)   Init,
#define	INSTR_PROF_MIN_VAL_COUNTS   10
#define	INSTR_PROF_VALUE_NODE(Type, LLVMType, Name, Init)   LLVMType,

Functions
cl::opt< bool >	llvm::DebugInfoCorrelate ("debug-info-correlate", cl::desc("Use debug info to correlate profiles. (Deprecated, use " "-profile-correlate=debug-info)"), cl::init(false))
static bool	needsRuntimeHookUnconditionally (const Triple &TT)
static bool	containsProfilingIntrinsics (Module &M)
	Check if the module contains uses of any profiling intrinsics.
static FunctionCallee	getOrInsertValueProfilingCall (Module &M, const TargetLibraryInfo &TLI, ValueProfilingCallType CallType=ValueProfilingCallType::Default)
static std::string	getVarName (InstrProfInstBase *Inc, StringRef Prefix, bool &Renamed)
	Get the name of a profiling variable for a particular function.
static bool	shouldRecordFunctionAddr (Function *F)
static bool	shouldUsePublicSymbol (Function *Fn)
static Constant *	getFuncAddrForProfData (Function *Fn)
static bool	needsRuntimeRegistrationOfSectionRange (const Triple &TT)
static bool	shouldRecordVTableAddr (GlobalVariable *GV)
static Constant *	getVTableAddrForProfData (GlobalVariable *GV)
void	llvm::createProfileSamplingVar (Module &M)

Variables
cl::opt< InstrProfCorrelator::ProfCorrelatorKind >	llvm::ProfileCorrelate ("profile-correlate", cl::desc("Use debug info or binary file to correlate profiles."), cl::init(InstrProfCorrelator::NONE), cl::values(clEnumValN(InstrProfCorrelator::NONE, "", "No profile correlation"), clEnumValN(InstrProfCorrelator::DEBUG_INFO, "debug-info", "Use debug info to correlate"), clEnumValN(InstrProfCorrelator::BINARY, "binary", "Use binary to correlate")))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "instrprof"

Definition at line 64 of file InstrProfiling.cpp.

INSTR_PROF_DATA [1/2]

#define INSTR_PROF_DATA	(		Type,
			LLVMType,
			Name,
			Init
	)		LLVMType,

INSTR_PROF_DATA [2/2]

#define INSTR_PROF_DATA	(		Type,
			LLVMType,
			Name,
			Init
	)		Init,

INSTR_PROF_MIN_VAL_COUNTS

#define INSTR_PROF_MIN_VAL_COUNTS   10

INSTR_PROF_VALUE_NODE

#define INSTR_PROF_VALUE_NODE	(		Type,
			LLVMType,
			Name,
			Init
	)		LLVMType,

INSTR_PROF_VTABLE_DATA [1/2]

#define INSTR_PROF_VTABLE_DATA	(		Type,
			LLVMType,
			Name,
			Init
	)		LLVMType,

INSTR_PROF_VTABLE_DATA [2/2]

#define INSTR_PROF_VTABLE_DATA	(		Type,
			LLVMType,
			Name,
			Init
	)		Init,

VALUE_PROF_FUNC_PARAM

#define VALUE_PROF_FUNC_PARAM	(		ParamType,
			ParamName,
			ParamLLVMType
	)		ParamLLVMType

Function Documentation

containsProfilingIntrinsics()

static bool containsProfilingIntrinsics ( Module &  M )

static

Check if the module contains uses of any profiling intrinsics.

Definition at line 919 of file InstrProfiling.cpp.

References F, and llvm::Intrinsic::getDeclarationIfExists().

getFuncAddrForProfData()

static Constant * getFuncAddrForProfData ( Function *  Fn )

inlinestatic

Definition at line 1388 of file InstrProfiling.cpp.

References llvm::GlobalAlias::create(), llvm::ConstantPointerNull::get(), llvm::Function::getContext(), llvm::GlobalValue::getLinkage(), llvm::Value::getName(), llvm::PointerType::getUnqual(), llvm::GlobalObject::hasComdat(), llvm::GlobalValue::HiddenVisibility, llvm::GlobalValue::PrivateLinkage, shouldRecordFunctionAddr(), and shouldUsePublicSymbol().

getOrInsertValueProfilingCall()

static FunctionCallee getOrInsertValueProfilingCall ( Module &  M, const TargetLibraryInfo &  TLI, ValueProfilingCallType  CallType = ValueProfilingCallType::Default  )

static

Definition at line 1009 of file InstrProfiling.cpp.

References assert(), llvm::FunctionType::get(), llvm::getInstrProfValueProfFuncName(), llvm::getInstrProfValueProfMemOpFuncName(), and llvm::Type::getVoidTy().

getVarName()

static std::string getVarName ( InstrProfInstBase *  Inc, StringRef  Prefix, bool &  Renamed  )

static

Get the name of a profiling variable for a particular function.

Definition at line 1301 of file InstrProfiling.cpp.

References llvm::canRenameComdatFunc(), F, llvm::InstrProfInstBase::getHash(), llvm::getInstrProfNameVarPrefix(), llvm::InstrProfInstBase::getName(), llvm::Value::getName(), llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent(), llvm::ConstantInt::getZExtValue(), llvm::isIRPGOFlagSet(), Name, llvm::StringRef::size(), and llvm::StringRef::substr().

getVTableAddrForProfData()

static Constant * getVTableAddrForProfData ( GlobalVariable *  GV )

inlinestatic

Definition at line 1496 of file InstrProfiling.cpp.

References llvm::ConstantPointerNull::get(), llvm::ConstantExpr::getBitCast(), llvm::Value::getContext(), llvm::PointerType::getUnqual(), and shouldRecordVTableAddr().

needsRuntimeHookUnconditionally()

static bool needsRuntimeHookUnconditionally ( const Triple &  TT )

static

Definition at line 910 of file InstrProfiling.cpp.

needsRuntimeRegistrationOfSectionRange()

static bool needsRuntimeRegistrationOfSectionRange ( const Triple &  TT )

static

Definition at line 1423 of file InstrProfiling.cpp.

shouldRecordFunctionAddr()

static bool shouldRecordFunctionAddr ( Function *  F )

inlinestatic

Definition at line 1320 of file InstrProfiling.cpp.

References F.

Referenced by getFuncAddrForProfData().

shouldRecordVTableAddr()

static bool shouldRecordVTableAddr ( GlobalVariable *  GV )

inlinestatic

Definition at line 1478 of file InstrProfiling.cpp.

References llvm::GlobalValue::getParent(), llvm::GlobalValue::hasAvailableExternallyLinkage(), llvm::GlobalObject::hasComdat(), llvm::GlobalValue::hasLinkOnceLinkage(), and llvm::GlobalValue::hasLocalLinkage().

Referenced by getVTableAddrForProfData().

shouldUsePublicSymbol()

static bool shouldUsePublicSymbol ( Function *  Fn )

inlinestatic

Definition at line 1357 of file InstrProfiling.cpp.

References llvm::GlobalValue::getVisibility(), llvm::GlobalObject::hasComdat(), llvm::GlobalValue::hasLocalLinkage(), llvm::GlobalObject::hasMetadata(), llvm::GlobalValue::HiddenVisibility, and llvm::GlobalValue::isDeclarationForLinker().

Referenced by getFuncAddrForProfData().