EfficiencySanitizer.cpp File Reference

#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"

Include dependency graph for EfficiencySanitizer.cpp:

Go to the source code of this file.

Classes
struct	ShadowMemoryParams

Macros
#define	DEBUG_TYPE   "esan"

Functions
	STATISTIC (NumInstrumentedLoads, "Number of instrumented loads")
	STATISTIC (NumInstrumentedStores, "Number of instrumented stores")
	STATISTIC (NumFastpaths, "Number of instrumented fastpaths")
	STATISTIC (NumAccessesWithIrregularSize, "Number of accesses with a size outside our targeted callout sizes")
	STATISTIC (NumIgnoredStructs, "Number of ignored structs")
	STATISTIC (NumIgnoredGEPs, "Number of ignored GEP instructions")
	STATISTIC (NumInstrumentedGEPs, "Number of instrumented GEP instructions")
	STATISTIC (NumAssumedIntraCacheLine, "Number of accesses assumed to be intra-cache-line")
	INITIALIZE_PASS_BEGIN (EfficiencySanitizer, "esan", "EfficiencySanitizer: finds performance issues.", false, false) INITIALIZE_PASS_END(EfficiencySanitizer

Variables
static cl::opt< bool >	ClToolCacheFrag ("esan-cache-frag", cl::init(false), cl::desc("Detect data cache fragmentation"), cl::Hidden)
static cl::opt< bool >	ClToolWorkingSet ("esan-working-set", cl::init(false), cl::desc("Measure the working set size"), cl::Hidden)
static cl::opt< bool >	ClInstrumentLoadsAndStores ("esan-instrument-loads-and-stores", cl::init(true), cl::desc("Instrument loads and stores"), cl::Hidden)
static cl::opt< bool >	ClInstrumentMemIntrinsics ("esan-instrument-memintrinsics", cl::init(true), cl::desc("Instrument memintrinsics (memset/memcpy/memmove)"), cl::Hidden)
static cl::opt< bool >	ClInstrumentFastpath ("esan-instrument-fastpath", cl::init(true), cl::desc("Instrument fastpath"), cl::Hidden)
static cl::opt< bool >	ClAuxFieldInfo ("esan-aux-field-info", cl::init(true), cl::desc("Generate binary with auxiliary struct field information"), cl::Hidden)
static cl::opt< bool >	ClAssumeIntraCacheLine ("esan-assume-intra-cache-line", cl::init(true), cl::desc("Assume each memory access touches just one cache line, for " "better performance but with a potential loss of accuracy."), cl::Hidden)
static const uint64_t	EsanCtorAndDtorPriority = 0
static const char *const	EsanModuleCtorName = "esan.module_ctor"
static const char *const	EsanModuleDtorName = "esan.module_dtor"
static const char *const	EsanInitName = "__esan_init"
static const char *const	EsanExitName = "__esan_exit"
static const char *const	EsanWhichToolName = "__esan_which_tool"
static const ShadowMemoryParams	ShadowParams47
static const ShadowMemoryParams	ShadowParams40
static const int	ShadowScale []
static const unsigned	MaxStructCounterNameSize = 512
	esan
EfficiencySanitizer	__pad0__
EfficiencySanitizer	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "esan"

Definition at line 41 of file EfficiencySanitizer.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	EfficiencySanitizer	,
		"esan"	,
		"EfficiencySanitizer: finds performance issues."	,
		false	,
		false
	)

STATISTIC() [1/8]

STATISTIC	(	NumInstrumentedLoads	,
		"Number of instrumented loads"
	)

STATISTIC() [2/8]

STATISTIC	(	NumInstrumentedStores	,
		"Number of instrumented stores"
	)

STATISTIC() [3/8]

STATISTIC	(	NumFastpaths	,
		"Number of instrumented fastpaths"
	)

STATISTIC() [4/8]

STATISTIC	(	NumAccessesWithIrregularSize	,
		"Number of accesses with a size outside our targeted callout sizes"
	)

STATISTIC() [5/8]

STATISTIC	(	NumIgnoredStructs	,
		"Number of ignored structs"
	)

STATISTIC() [6/8]

STATISTIC	(	NumIgnoredGEPs	,
		"Number of ignored GEP instructions"
	)

STATISTIC() [7/8]

STATISTIC	(	NumInstrumentedGEPs	,
		"Number of instrumented GEP instructions"
	)

STATISTIC() [8/8]

STATISTIC	(	NumAssumedIntraCacheLine	,
		"Number of accesses assumed to be intra-cache-line"
	)

Variable Documentation

__pad0__

EfficiencySanitizer __pad0__

Definition at line 228 of file EfficiencySanitizer.cpp.

ClAssumeIntraCacheLine

cl::opt<bool> ClAssumeIntraCacheLine("esan-assume-intra-cache-line", cl::init(true), cl::desc("Assume each memory access touches just one cache line, for " "better performance but with a potential loss of accuracy."), cl::Hidden)

static

Referenced by llvm::createEfficiencySanitizerPass().

ClAuxFieldInfo

cl::opt<bool> ClAuxFieldInfo("esan-aux-field-info", cl::init(true), cl::desc("Generate binary with auxiliary struct field information"), cl::Hidden)

static

Referenced by llvm::createEfficiencySanitizerPass().

ClInstrumentFastpath

cl::opt<bool> ClInstrumentFastpath("esan-instrument-fastpath", cl::init(true), cl::desc("Instrument fastpath"), cl::Hidden)

static

Referenced by llvm::createEfficiencySanitizerPass().

ClInstrumentLoadsAndStores

cl::opt<bool> ClInstrumentLoadsAndStores("esan-instrument-loads-and-stores", cl::init(true), cl::desc("Instrument loads and stores"), cl::Hidden)

static

Referenced by llvm::createEfficiencySanitizerPass().

ClInstrumentMemIntrinsics

cl::opt<bool> ClInstrumentMemIntrinsics("esan-instrument-memintrinsics", cl::init(true), cl::desc("Instrument memintrinsics (memset/memcpy/memmove)"), cl::Hidden)

static

Referenced by llvm::createEfficiencySanitizerPass().

ClToolCacheFrag

cl::opt<bool> ClToolCacheFrag("esan-cache-frag", cl::init(false), cl::desc("Detect data cache fragmentation"), cl::Hidden)

static

ClToolWorkingSet

cl::opt<bool> ClToolWorkingSet("esan-working-set", cl::init(false), cl::desc("Measure the working set size"), cl::Hidden)

static

esan

esan

Definition at line 228 of file EfficiencySanitizer.cpp.

EsanCtorAndDtorPriority

const uint64_t EsanCtorAndDtorPriority = 0

static

Definition at line 88 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().

EsanExitName

const char* const EsanExitName = "__esan_exit"

static

Definition at line 92 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().

EsanInitName

const char* const EsanInitName = "__esan_init"

static

Definition at line 91 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().

EsanModuleCtorName

const char* const EsanModuleCtorName = "esan.module_ctor"

static

Definition at line 89 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().

EsanModuleDtorName

const char* const EsanModuleDtorName = "esan.module_dtor"

static

Definition at line 90 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().

EsanWhichToolName

const char* const EsanWhichToolName = "__esan_which_tool"

static

Definition at line 96 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().

false

EfficiencySanitizer false

Definition at line 228 of file EfficiencySanitizer.cpp.

MaxStructCounterNameSize

const unsigned MaxStructCounterNameSize = 512

static

Definition at line 128 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().

ShadowParams40

const ShadowMemoryParams ShadowParams40

static

Initial value:

= {
    0x0fffffffffull,
    {
        0x1300000000ull, 0x2200000000ull, 0x4400000000ull,
    }}

Definition at line 113 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().

ShadowParams47

const ShadowMemoryParams ShadowParams47

static

Initial value:

= {
    0x00000fffffffffffull,
    {
        0x0000130000000000ull, 0x0000220000000000ull, 0x0000440000000000ull,
    }}

Definition at line 107 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().

ShadowScale

const int ShadowScale[]

static

Initial value:

= {
  0, 
  2, 
  6, 
}

Definition at line 120 of file EfficiencySanitizer.cpp.

Referenced by llvm::createEfficiencySanitizerPass().