GlobalDCE.cpp File Reference

#include "llvm/Transforms/IPO.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
#include "llvm/Transforms/Utils/CtorUtils.h"
#include "llvm/Transforms/Utils/GlobalStatus.h"
#include "llvm/Pass.h"

Include dependency graph for GlobalDCE.cpp:

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Defines
#define	DEBUG_TYPE   "globaldce"
Functions
	STATISTIC (NumAliases,"Number of global aliases removed")
	STATISTIC (NumFunctions,"Number of functions removed")
	STATISTIC (NumVariables,"Number of global variables removed")
static bool	isEmptyFunction (Function *F)
	Returns true if F contains only a single "ret" instruction.
	INITIALIZE_PASS (GlobalDCE,"globaldce","Dead Global Elimination", false, false) ModulePass *llvm

---

Define Documentation

#define DEBUG_TYPE   "globaldce"

Definition at line 29 of file GlobalDCE.cpp.

---

Function Documentation

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

Definition at line 70 of file GlobalDCE.cpp.

static bool isEmptyFunction

(

Function *

F

)

[static]

Returns true if F contains only a single "ret" instruction.

Definition at line 61 of file GlobalDCE.cpp.

References llvm::BasicBlock::front(), llvm::Function::getEntryBlock(), llvm::ReturnInst::getReturnValue(), and llvm::BasicBlock::size().

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

STATISTIC	(	NumFunctions	,
		"Number of functions removed"
	)

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