MemProfInstrumentation.cpp File Reference

#include "llvm/Transforms/Instrumentation/MemProfInstrumentation.h"
#include "InstrumentationOptions.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/ProfileData/MemProf.h"
#include "llvm/Support/Debug.h"
#include "llvm/TargetParser/Triple.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "memprof"

Functions
	STATISTIC (NumInstrumentedReads, "Number of instrumented reads")
	STATISTIC (NumInstrumentedWrites, "Number of instrumented writes")
	STATISTIC (NumSkippedStackReads, "Number of non-instrumented stack reads")
	STATISTIC (NumSkippedStackWrites, "Number of non-instrumented stack writes")
void	createProfileFileNameVar (Module &M)
void	createMemprofHistogramFlagVar (const InstrumentationOptions &Opts, Module &M)
void	createMemprofDefaultOptionsVar (const InstrumentationOptions &Opts, Module &M)

Variables
constexpr int	LLVM_MEM_PROFILER_VERSION = 1
constexpr uint64_t	DefaultMemGranularity = 64
constexpr uint64_t	HistogramGranularity = 8
constexpr char	MemProfModuleCtorName [] = "memprof.module_ctor"
constexpr uint64_t	MemProfCtorAndDtorPriority = 1
constexpr uint64_t	MemProfEmscriptenCtorAndDtorPriority = 50
constexpr char	MemProfInitName [] = "__memprof_init"
constexpr char	MemProfVersionCheckNamePrefix []
constexpr char	MemProfShadowMemoryDynamicAddress []
constexpr char	MemProfFilenameVar [] = "__memprof_profile_filename"
constexpr char	MemProfHistogramFlagVar [] = "__memprof_histogram"

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "memprof"

Definition at line 46 of file MemProfInstrumentation.cpp.

Function Documentation

createMemprofDefaultOptionsVar()

void createMemprofDefaultOptionsVar	(	const InstrumentationOptions &	Opts,
		Module &	M )

Definition at line 448 of file MemProfInstrumentation.cpp.

References llvm::GlobalValue::ExternalLinkage, llvm::memprof::getMemprofOptionsSymbolName(), llvm::Value::getName(), llvm::ConstantDataArray::getString(), llvm::Value::getType(), llvm::GlobalObject::setComdat(), llvm::GlobalValue::setLinkage(), and llvm::GlobalValue::WeakAnyLinkage.

createMemprofHistogramFlagVar()

void createMemprofHistogramFlagVar	(	const InstrumentationOptions &	Opts,
		Module &	M )

Definition at line 432 of file MemProfInstrumentation.cpp.

References llvm::appendToCompilerUsed(), llvm::GlobalValue::ExternalLinkage, llvm::Type::getInt1Ty(), llvm::Constant::getIntegerValue(), MemProfHistogramFlagVar, and llvm::GlobalValue::WeakAnyLinkage.

createProfileFileNameVar()

void createProfileFileNameVar

(

Module &

M

)

Definition at line 411 of file MemProfInstrumentation.cpp.

References assert(), llvm::dyn_cast_or_null(), llvm::StringRef::empty(), llvm::GlobalValue::ExternalLinkage, llvm::ConstantDataArray::getString(), llvm::MDString::getString(), llvm::Value::getType(), MemProfFilenameVar, llvm::GlobalObject::setComdat(), llvm::GlobalValue::setLinkage(), and llvm::GlobalValue::WeakAnyLinkage.

STATISTIC() [1/4]

STATISTIC	(	NumInstrumentedReads	,
		"Number of instrumented reads"	)

STATISTIC() [2/4]

STATISTIC	(	NumInstrumentedWrites	,
		"Number of instrumented writes"	)

STATISTIC() [3/4]

STATISTIC	(	NumSkippedStackReads	,
		"Number of non-instrumented stack reads"	)

STATISTIC() [4/4]

STATISTIC	(	NumSkippedStackWrites	,
		"Number of non-instrumented stack writes"	)

References HistogramGranularity.

Variable Documentation

DefaultMemGranularity

uint64_t DefaultMemGranularity = 64

constexpr

Definition at line 51 of file MemProfInstrumentation.cpp.

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

HistogramGranularity

uint64_t HistogramGranularity = 8

constexpr

Definition at line 54 of file MemProfInstrumentation.cpp.

Referenced by STATISTIC().

LLVM_MEM_PROFILER_VERSION

int LLVM_MEM_PROFILER_VERSION = 1

constexpr

Definition at line 48 of file MemProfInstrumentation.cpp.

MemProfCtorAndDtorPriority

uint64_t MemProfCtorAndDtorPriority = 1

constexpr

Definition at line 57 of file MemProfInstrumentation.cpp.

MemProfEmscriptenCtorAndDtorPriority

uint64_t MemProfEmscriptenCtorAndDtorPriority = 50

constexpr

Definition at line 59 of file MemProfInstrumentation.cpp.

MemProfFilenameVar

char MemProfFilenameVar[] = "__memprof_profile_filename"

constexpr

Definition at line 67 of file MemProfInstrumentation.cpp.

Referenced by createProfileFileNameVar().

MemProfHistogramFlagVar

char MemProfHistogramFlagVar[] = "__memprof_histogram"

constexpr

Definition at line 69 of file MemProfInstrumentation.cpp.

Referenced by createMemprofHistogramFlagVar().

MemProfInitName

char MemProfInitName[] = "__memprof_init"

constexpr

Definition at line 60 of file MemProfInstrumentation.cpp.

MemProfModuleCtorName

char MemProfModuleCtorName[] = "memprof.module_ctor"

constexpr

Definition at line 56 of file MemProfInstrumentation.cpp.

MemProfShadowMemoryDynamicAddress

char MemProfShadowMemoryDynamicAddress[]

constexpr

Initial value:

=
    "__memprof_shadow_memory_dynamic_address"

Definition at line 64 of file MemProfInstrumentation.cpp.

MemProfVersionCheckNamePrefix

char MemProfVersionCheckNamePrefix[]

constexpr

Initial value:

=
    "__memprof_version_mismatch_check_v"

Definition at line 61 of file MemProfInstrumentation.cpp.