StackSafetyAnalysis.cpp File Reference

#include "llvm/Analysis/StackSafetyAnalysis.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/ModuleSummaryAnalysis.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/StackLifetime.h"
#include "llvm/IR/ConstantRange.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/ModuleSummaryIndex.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <memory>
#include <tuple>

Go to the source code of this file.

Classes
struct	llvm::StackSafetyInfo::InfoTy
struct	llvm::StackSafetyGlobalInfo::InfoTy

Macros
#define	DEBUG_TYPE   "stack-safety"

Functions
	STATISTIC (NumAllocaStackSafe, "Number of safe allocas")
	STATISTIC (NumAllocaTotal, "Number of total allocas")
	STATISTIC (NumCombinedCalleeLookupTotal, "Number of total callee lookups on combined index.")
	STATISTIC (NumCombinedCalleeLookupFailed, "Number of failed callee lookups on combined index.")
	STATISTIC (NumModuleCalleeLookupTotal, "Number of total callee lookups on module index.")
	STATISTIC (NumModuleCalleeLookupFailed, "Number of failed callee lookups on module index.")
	STATISTIC (NumCombinedParamAccessesBefore, "Number of total param accesses before generateParamAccessSummary.")
	STATISTIC (NumCombinedParamAccessesAfter, "Number of total param accesses after generateParamAccessSummary.")
	STATISTIC (NumCombinedDataFlowNodes, "Number of total nodes in combined index for dataflow processing.")
	STATISTIC (NumIndexCalleeUnhandled, "Number of index callee which are unhandled.")
	STATISTIC (NumIndexCalleeMultipleWeak, "Number of index callee non-unique weak.")
	STATISTIC (NumIndexCalleeMultipleExternal, "Number of index callee non-unique external.")
	INITIALIZE_PASS_BEGIN (StackSafetyInfoWrapperPass, LocalPassArg, LocalPassName, false, true) INITIALIZE_PASS_END(StackSafetyInfoWrapperPass
	INITIALIZE_PASS_BEGIN (StackSafetyGlobalInfoWrapperPass, DEBUG_TYPE, GlobalPassName, false, true) INITIALIZE_PASS_END(StackSafetyGlobalInfoWrapperPass

Variables
static cl::opt< int >	StackSafetyMaxIterations ("stack-safety-max-iterations", cl::init(20), cl::Hidden)
static cl::opt< bool >	StackSafetyPrint ("stack-safety-print", cl::init(false), cl::Hidden)
static cl::opt< bool >	StackSafetyRun ("stack-safety-run", cl::init(false), cl::Hidden)
static const char	LocalPassArg [] = "stack-safety-local"
static const char	LocalPassName [] = "Stack Safety Local Analysis"
	false
static true const char	GlobalPassName [] = "Stack Safety Analysis"
	DEBUG_TYPE

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "stack-safety"

Definition at line 38 of file StackSafetyAnalysis.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN() [1/2]

INITIALIZE_PASS_BEGIN	(	StackSafetyGlobalInfoWrapperPass	,
		DEBUG_TYPE	,
		GlobalPassName	,
		false	,
		true	)

References DEBUG_TYPE, GlobalPassName, INITIALIZE_PASS_BEGIN, and INITIALIZE_PASS_DEPENDENCY.

INITIALIZE_PASS_BEGIN() [2/2]

INITIALIZE_PASS_BEGIN	(	StackSafetyInfoWrapperPass	,
		LocalPassArg	,
		LocalPassName	,
		false	,
		true	)

References INITIALIZE_PASS_DEPENDENCY, INITIALIZE_PASS_END, LocalPassArg, and LocalPassName.

STATISTIC() [1/12]

STATISTIC	(	NumAllocaStackSafe	,
		"Number of safe allocas"	)

STATISTIC() [2/12]

STATISTIC	(	NumAllocaTotal	,
		"Number of total allocas"	)

STATISTIC() [3/12]

STATISTIC	(	NumCombinedCalleeLookupFailed	,
		"Number of failed callee lookups on combined index."	)

STATISTIC() [4/12]

STATISTIC	(	NumCombinedCalleeLookupTotal	,
		"Number of total callee lookups on combined index."	)

STATISTIC() [5/12]

STATISTIC	(	NumCombinedDataFlowNodes	,
		"Number of total nodes in combined index for dataflow processing."	)

STATISTIC() [6/12]

STATISTIC	(	NumCombinedParamAccessesAfter	,
		"Number of total param accesses after generateParamAccessSummary."	)

STATISTIC() [7/12]

STATISTIC	(	NumCombinedParamAccessesBefore	,
		"Number of total param accesses before generateParamAccessSummary."	)

STATISTIC() [8/12]

STATISTIC	(	NumIndexCalleeMultipleExternal	,
		"Number of index callee non-unique external."	)

STATISTIC() [9/12]

STATISTIC	(	NumIndexCalleeMultipleWeak	,
		"Number of index callee non-unique weak."	)

STATISTIC() [10/12]

STATISTIC	(	NumIndexCalleeUnhandled	,
		"Number of index callee which are unhandled."	)

STATISTIC() [11/12]

STATISTIC	(	NumModuleCalleeLookupFailed	,
		"Number of failed callee lookups on module index."	)

STATISTIC() [12/12]

STATISTIC	(	NumModuleCalleeLookupTotal	,
		"Number of total callee lookups on module index."	)

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 1220 of file StackSafetyAnalysis.cpp.

false

false

Definition at line 1213 of file StackSafetyAnalysis.cpp.

GlobalPassName

GlobalPassName = "Stack Safety Analysis"

static

Definition at line 1215 of file StackSafetyAnalysis.cpp.

Referenced by INITIALIZE_PASS_BEGIN().

LocalPassArg

LocalPassArg = "stack-safety-local"

static

Definition at line 1207 of file StackSafetyAnalysis.cpp.

Referenced by INITIALIZE_PASS_BEGIN().

LocalPassName

LocalPassName = "Stack Safety Local Analysis"

static

Definition at line 1208 of file StackSafetyAnalysis.cpp.

Referenced by INITIALIZE_PASS_BEGIN().

StackSafetyMaxIterations

cl::opt< int > StackSafetyMaxIterations("stack-safety-max-iterations", cl::init(20), cl::Hidden) ( "stack-safety-max-iterations" , cl::init(20) , cl::Hidden  )

static

StackSafetyPrint

cl::opt< bool > StackSafetyPrint("stack-safety-print", cl::init(false), cl::Hidden) ( "stack-safety-print" , cl::init(false) , cl::Hidden  )

static

StackSafetyRun

cl::opt< bool > StackSafetyRun("stack-safety-run", cl::init(false), cl::Hidden) ( "stack-safety-run" , cl::init(false) , cl::Hidden  )

static

Referenced by llvm::needsParamAccessSummary(), and llvm::StackSafetyGlobalInfo::StackSafetyGlobalInfo().