ConstantMerge.cpp File Reference

#include "llvm/Transforms/IPO.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/PointerIntPair.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Operator.h"
#include "llvm/Pass.h"

Include dependency graph for ConstantMerge.cpp:

Go to the source code of this file.

Defines
#define	DEBUG_TYPE   "constmerge"
Functions
	STATISTIC (NumMerged,"Number of global constants merged")
	INITIALIZE_PASS (ConstantMerge,"constmerge","Merge Duplicate Global Constants", false, false) ModulePass *llvm
static void	FindUsedValues (GlobalVariable *LLVMUsed, SmallPtrSetImpl< const GlobalValue * > &UsedValues)
	Find values that are marked as llvm.used.
static bool	IsBetterCanonical (const GlobalVariable &A, const GlobalVariable &B)

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Define Documentation

#define DEBUG_TYPE   "constmerge"

Definition at line 33 of file ConstantMerge.cpp.

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Function Documentation

static void FindUsedValues	(	GlobalVariable *	LLVMUsed,
		SmallPtrSetImpl< const GlobalValue * > &	UsedValues
	)		[static]

Find values that are marked as llvm.used.

Definition at line 68 of file ConstantMerge.cpp.

References llvm::GlobalVariable::getInitializer(), llvm::User::getNumOperands(), llvm::User::getOperand(), llvm::SmallPtrSetImpl< PtrType >::insert(), and llvm::Value::stripPointerCastsNoFollowAliases().

INITIALIZE_PASS	(	ConstantMerge	,
		"constmerge"	,
		"Merge Duplicate Global Constants"	,
		false	,
		false
	)

Definition at line 60 of file ConstantMerge.cpp.

static bool IsBetterCanonical	(	const GlobalVariable &	A,
		const GlobalVariable &	B
	)		[static]

Definition at line 81 of file ConstantMerge.cpp.

References llvm::GlobalValue::hasLocalLinkage(), and llvm::GlobalValue::hasUnnamedAddr().

STATISTIC	(	NumMerged	,
		"Number of global constants merged"
	)