GlobalDCE.cpp File Reference

#include "llvm/Transforms/IPO/GlobalDCE.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/TypeMetadataUtils.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/Utils/CtorUtils.h"
#include "llvm/Transforms/Utils/GlobalStatus.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "globaldce"

Functions
	INITIALIZE_PASS (GlobalDCELegacyPass, "globaldce", "Dead Global Elimination", false, false) ModulePass *llvm
	STATISTIC (NumAliases, "Number of global aliases removed")
	STATISTIC (NumFunctions, "Number of functions removed")
	STATISTIC (NumIFuncs, "Number of indirect functions removed")
	STATISTIC (NumVariables, "Number of global variables removed")
	STATISTIC (NumVFuncs, "Number of virtual functions removed")
static bool	isEmptyFunction (Function *F)
	Returns true if F is effectively empty.

Variables
static cl::opt< bool >	ClEnableVFE ("enable-vfe", cl::Hidden, cl::init(true), cl::desc("Enable virtual function elimination"))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "globaldce"

Definition at line 33 of file GlobalDCE.cpp.

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	GlobalDCELegacyPass	,
		"globaldce"	,
		"Dead Global Elimination"	,
		false	,
		false
	)

Definition at line 58 of file GlobalDCE.cpp.

isEmptyFunction()

static bool isEmptyFunction ( Function *  F )

static

Returns true if F is effectively empty.

Definition at line 75 of file GlobalDCE.cpp.

References F, and I.

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

STATISTIC() [1/5]

STATISTIC	(	NumAliases	,
		"Number of global aliases removed"
	)

STATISTIC() [2/5]

STATISTIC	(	NumFunctions	,
		"Number of functions removed"
	)

STATISTIC() [3/5]

STATISTIC	(	NumIFuncs	,
		"Number of indirect functions removed"
	)

STATISTIC() [4/5]

STATISTIC	(	NumVariables	,
		"Number of global variables removed"
	)

STATISTIC() [5/5]

STATISTIC	(	NumVFuncs	,
		"Number of virtual functions removed"
	)

Variable Documentation

ClEnableVFE

cl::opt< bool > ClEnableVFE("enable-vfe", cl::Hidden, cl::init(true), cl::desc("Enable virtual function elimination")) ( "enable-vfe"  , cl::Hidden  , cl::init(true)  , cl::desc("Enable virtual function elimination")    )

static