InstrProfiling.cpp File Reference

#include "llvm/Transforms/Instrumentation/InstrProfiling.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.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/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/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/InitializePasses.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/Transforms/Utils/ModuleUtils.h"
#include "llvm/Transforms/Utils/SSAUpdater.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <string>
#include "llvm/ProfileData/InstrProfData.inc"

Include dependency graph for InstrProfiling.cpp:

Go to the source code of this file.

Namespaces
	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_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
static bool	needsRuntimeHookUnconditionally (const Triple &TT)
static bool	containsProfilingIntrinsics (Module &M)
	Check if the module contains uses of any profiling intrinsics. More...
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. More...
static uint64_t	getIntModuleFlagOrZero (const Module &M, StringRef Flag)
static bool	enablesValueProfiling (const Module &M)
static bool	profDataReferencedByCode (const Module &M)
static bool	shouldRecordFunctionAddr (Function *F)
static bool	needsRuntimeRegistrationOfSectionRange (const Triple &TT)

Variables
cl::opt< bool >	llvm::DebugInfoCorrelate ("debug-info-correlate", cl::desc("Use debug info to correlate profiles."), cl::init(false))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "instrprof"

Definition at line 59 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,

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 504 of file InstrProfiling.cpp.

References F, llvm::Intrinsic::getName(), and M.

Referenced by llvm::InstrProfiling::run().

enablesValueProfiling()

static bool enablesValueProfiling ( const Module &  M )

static

Definition at line 779 of file InstrProfiling.cpp.

References getIntModuleFlagOrZero(), llvm::isIRPGOFlagSet(), and M.

Referenced by profDataReferencedByCode().

getIntModuleFlagOrZero()

static uint64_t getIntModuleFlagOrZero ( const Module &  M, StringRef  Flag  )

static

Definition at line 769 of file InstrProfiling.cpp.

References M.

Referenced by enablesValueProfiling().

getOrInsertValueProfilingCall()

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

static

Definition at line 584 of file InstrProfiling.cpp.

References llvm::AArch64CC::AL, assert(), llvm::TargetStackID::Default, llvm::FunctionType::get(), llvm::TargetLibraryInfo::getExtAttrForI32Param(), llvm::getInstrProfValueProfFuncName(), llvm::getInstrProfValueProfMemOpFuncName(), llvm::Type::getVoidTy(), M, and llvm::makeArrayRef().

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 750 of file InstrProfiling.cpp.

References llvm::canRenameComdatFunc(), F, llvm::InstrProfInstBase::getHash(), llvm::getInstrProfNameVarPrefix(), llvm::Value::getName(), llvm::InstrProfInstBase::getName(), llvm::Instruction::getParent(), llvm::BasicBlock::getParent(), llvm::ConstantInt::getZExtValue(), llvm::isIRPGOFlagSet(), M, llvm::cl::Prefix, llvm::StringRef::size(), llvm::StringRef::substr(), and llvm::dwarf::toStringRef().

needsRuntimeHookUnconditionally()

static bool needsRuntimeHookUnconditionally ( const Triple &  TT )

static

Definition at line 495 of file InstrProfiling.cpp.

Referenced by llvm::InstrProfiling::run().

needsRuntimeRegistrationOfSectionRange()

static bool needsRuntimeRegistrationOfSectionRange ( const Triple &  TT )

static

Definition at line 826 of file InstrProfiling.cpp.

profDataReferencedByCode()

static bool profDataReferencedByCode ( const Module &  M )

static

Definition at line 785 of file InstrProfiling.cpp.

References enablesValueProfiling(), and M.

Referenced by shouldRecordFunctionAddr().

shouldRecordFunctionAddr()

static bool shouldRecordFunctionAddr ( Function *  F )

inlinestatic

Definition at line 789 of file InstrProfiling.cpp.

References F, and profDataReferencedByCode().