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.

Macros
#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, SmallPtrSet< const GlobalValue *, 8 > &UsedValues)
	Find values that are marked as llvm.used. More...
static bool	IsBetterCannonical (const GlobalVariable &A, const GlobalVariable &B)

Macro Definition Documentation

#define DEBUG_TYPE   "constmerge"

Definition at line 20 of file ConstantMerge.cpp.

Function Documentation

static void FindUsedValues ( GlobalVariable *  LLVMUsed, SmallPtrSet< const GlobalValue *, 8 > &  UsedValues  )

static

Find values that are marked as llvm.used.

Definition at line 67 of file ConstantMerge.cpp.

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

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

Definition at line 59 of file ConstantMerge.cpp.

static bool IsBetterCannonical ( const GlobalVariable &  A, const GlobalVariable &  B  )

static

Definition at line 80 of file ConstantMerge.cpp.

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

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