llvm::IVStrideUse Class Reference

IVStrideUse - Keep track of one use of a strided induction variable. More...

#include "llvm/Analysis/IVUsers.h"

Inheritance diagram for llvm::IVStrideUse:

Collaboration diagram for llvm::IVStrideUse:

Public Member Functions
	IVStrideUse (IVUsers *P, Instruction *U, Value *O)
Instruction *	getUser () const
	getUser - Return the user instruction for this use. More...
void	setUser (Instruction *NewUser)
	setUser - Assign a new user instruction for this use. More...
Value *	getOperandValToReplace () const
	getOperandValToReplace - Return the Value of the operand in the user instruction that this IVStrideUse is representing. More...
void	setOperandValToReplace (Value *Op)
	setOperandValToReplace - Assign a new Value as the operand value to replace. More...
const PostIncLoopSet &	getPostIncLoops () const
	getPostIncLoops - Return the set of loops for which the expression has been adjusted to use post-inc mode. More...
void	transformToPostInc (const Loop *L)
	transformToPostInc - Transform the expression to post-inc form for the given loop. More...
Public Member Functions inherited from llvm::CallbackVH
	CallbackVH ()
	CallbackVH (Value *P)
	operator Value * () const
virtual void	allUsesReplacedWith (Value *)
	Callback for Value RAUW. More...
Public Member Functions inherited from llvm::ValueHandleBase
	ValueHandleBase (HandleBaseKind Kind)
	ValueHandleBase (HandleBaseKind Kind, Value *V)
	~ValueHandleBase ()
Value *	operator= (Value *RHS)
Value *	operator= (const ValueHandleBase &RHS)
Value *	operator-> () const
Value &	operator* () const
Public Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< IVStrideUse, Options... >::type >
self_iterator	getIterator ()
const_self_iterator	getIterator () const
reverse_self_iterator	getReverseIterator ()
const_reverse_self_iterator	getReverseIterator () const
bool	isSentinel () const
	Check whether this is the sentinel node. More...

Friends
class	IVUsers

Additional Inherited Members
Static Public Member Functions inherited from llvm::ValueHandleBase
static void	ValueIsDeleted (Value *V)
static void	ValueIsRAUWd (Value *Old, Value *New)
Protected Types inherited from llvm::ValueHandleBase
enum	HandleBaseKind { Assert, Callback, Weak, WeakTracking }
	This indicates what sub class the handle actually is. More...
Protected Types inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< IVStrideUse, Options... >::type >
using	self_iterator = ilist_iterator< ilist_detail::compute_node_options< IVStrideUse, Options... >::type, false, false >
using	const_self_iterator = ilist_iterator< ilist_detail::compute_node_options< IVStrideUse, Options... >::type, false, true >
using	reverse_self_iterator = ilist_iterator< ilist_detail::compute_node_options< IVStrideUse, Options... >::type, true, false >
using	const_reverse_self_iterator = ilist_iterator< ilist_detail::compute_node_options< IVStrideUse, Options... >::type, true, true >
Protected Member Functions inherited from llvm::CallbackVH
	~CallbackVH ()=default
	CallbackVH (const CallbackVH &)=default
CallbackVH &	operator= (const CallbackVH &)=default
void	setValPtr (Value *P)
Protected Member Functions inherited from llvm::ValueHandleBase
	ValueHandleBase (const ValueHandleBase &RHS)
	ValueHandleBase (HandleBaseKind Kind, const ValueHandleBase &RHS)
Value *	getValPtr () const
void	RemoveFromUseList ()
	Remove this ValueHandle from its current use list. More...
void	clearValPtr ()
	Clear the underlying pointer without clearing the use list. More...
Protected Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< IVStrideUse, Options... >::type >
	ilist_node_impl ()=default
Static Protected Member Functions inherited from llvm::ValueHandleBase
static bool	isValid (Value *V)

Detailed Description

IVStrideUse - Keep track of one use of a strided induction variable.

The Expr member keeps track of the expression, User is the actual user instruction of the operand, and 'OperandValToReplace' is the operand of the User that is the use.

Definition at line 38 of file IVUsers.h.

Constructor & Destructor Documentation

IVStrideUse()

llvm::IVStrideUse::IVStrideUse ( IVUsers *  P, Instruction *  U, Value *  O  )

inline

Definition at line 41 of file IVUsers.h.

Member Function Documentation

getOperandValToReplace()

Value* llvm::IVStrideUse::getOperandValToReplace ( ) const

inline

getOperandValToReplace - Return the Value of the operand in the user instruction that this IVStrideUse is representing.

Definition at line 57 of file IVUsers.h.

Referenced by llvm::IVUsers::getReplacementExpr(), and isAlwaysFoldable().

getPostIncLoops()

const PostIncLoopSet& llvm::IVStrideUse::getPostIncLoops ( ) const

inline

getPostIncLoops - Return the set of loops for which the expression has been adjusted to use post-inc mode.

Definition at line 69 of file IVUsers.h.

References transformToPostInc().

Referenced by llvm::IVUsers::getExpr().

getUser()

Instruction* llvm::IVStrideUse::getUser ( ) const

inline

getUser - Return the user instruction for this use.

Definition at line 46 of file IVUsers.h.

References llvm::ValueHandleBase::getValPtr().

setOperandValToReplace()

void llvm::IVStrideUse::setOperandValToReplace ( Value *  Op )

inline

setOperandValToReplace - Assign a new Value as the operand value to replace.

Definition at line 63 of file IVUsers.h.

setUser()

void llvm::IVStrideUse::setUser ( Instruction *  NewUser )

inline

setUser - Assign a new user instruction for this use.

Definition at line 51 of file IVUsers.h.

References llvm::CallbackVH::setValPtr().

Referenced by isAlwaysFoldable().

transformToPostInc()

void IVStrideUse::transformToPostInc

(

const Loop *

L

)

transformToPostInc - Transform the expression to post-inc form for the given loop.

Definition at line 418 of file IVUsers.cpp.

Referenced by getPostIncLoops(), and isAlwaysFoldable().

Friends And Related Function Documentation

IVUsers

friend class IVUsers

friend

Definition at line 39 of file IVUsers.h.

Referenced by llvm::IVUsers::IVUsers().

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The documentation for this class was generated from the following files:

• include/llvm/Analysis/IVUsers.h
• lib/Analysis/IVUsers.cpp