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/DerivedTypes.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/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"
#include "llvm/Transforms/Utils/SSAUpdater.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <string>
#include "llvm/ProfileData/InstrProfData.inc"

Include dependency graph for InstrProfiling.cpp:

Go to the source code of this file.

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
	INITIALIZE_PASS_BEGIN (InstrProfilingLegacyPass, "instrprof", "Frontend instrumentation-based coverage lowering.", false, false) INITIALIZE_PASS_END(InstrProfilingLegacyPass
static InstrProfIncrementInst *	castToIncrementInst (Instruction *Instr)
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 (InstrProfIncrementInst *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
	instrprof
Frontend instrumentation based coverage	lowering
Frontend instrumentation based coverage	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "instrprof"

Definition at line 58 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

castToIncrementInst()

static InstrProfIncrementInst* castToIncrementInst ( Instruction *  Instr )

static

Definition at line 438 of file InstrProfiling.cpp.

containsProfilingIntrinsics()

static bool containsProfilingIntrinsics ( Module &  M )

static

Check if the module contains uses of any profiling intrinsics.

Definition at line 531 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 789 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 779 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 608 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 ( InstrProfIncrementInst *  Inc, StringRef  Prefix, bool &  Renamed  )

static

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

Definition at line 760 of file InstrProfiling.cpp.

References llvm::canRenameComdatFunc(), F, llvm::InstrProfIncrementInst::getHash(), llvm::getInstrProfNameVarPrefix(), llvm::Value::getName(), llvm::InstrProfIncrementInst::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().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	InstrProfilingLegacyPass	,
		"instrprof"	,
		"Frontend instrumentation-based coverage lowering."	,
		false	,
		false
	)

needsRuntimeHookUnconditionally()

static bool needsRuntimeHookUnconditionally ( const Triple &  TT )

static

Definition at line 522 of file InstrProfiling.cpp.

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

needsRuntimeRegistrationOfSectionRange()

static bool needsRuntimeRegistrationOfSectionRange ( const Triple &  TT )

static

Definition at line 836 of file InstrProfiling.cpp.

profDataReferencedByCode()

static bool profDataReferencedByCode ( const Module &  M )

static

Definition at line 795 of file InstrProfiling.cpp.

References enablesValueProfiling(), and M.

Referenced by shouldRecordFunctionAddr().

shouldRecordFunctionAddr()

static bool shouldRecordFunctionAddr ( Function *  F )

inlinestatic

Definition at line 799 of file InstrProfiling.cpp.

References F, and profDataReferencedByCode().

Variable Documentation

false

Frontend instrumentation based coverage false

Definition at line 430 of file InstrProfiling.cpp.

instrprof

instrprof

Definition at line 429 of file InstrProfiling.cpp.

lowering

Frontend instrumentation based coverage lowering

Definition at line 430 of file InstrProfiling.cpp.