A common base class for widening memory operations. More...

#include "Transforms/Vectorize/VPlan.h"

Inheritance diagram for llvm::VPWidenMemoryRecipe:

Public Member Functions
VPWidenMemoryRecipe *	clone () override
	Clone the current recipe.
bool	isConsecutive () const
	Return whether the loaded-from / stored-to addresses are consecutive.
bool	isReverse () const
	Return whether the consecutive loaded/stored addresses are in reverse order.
VPValue *	getAddr () const
	Return the address accessed by this recipe.
bool	isMasked () const
	Returns true if the recipe is masked.
VPValue *	getMask () const
	Return the mask used by this recipe.
void	execute (VPTransformState &State) override
	Generate the wide load/store.
InstructionCost	computeCost (ElementCount VF, VPCostContext &Ctx) const override
	Return the cost of this VPWidenMemoryRecipe.
Instruction &	getIngredient () const
Public Member Functions inherited from llvm::VPRecipeBase
	VPRecipeBase (const unsigned char SC, ArrayRef< VPValue * > Operands, DebugLoc DL=DebugLoc::getUnknown())
virtual	~VPRecipeBase ()=default
VPBasicBlock *	getParent ()
const VPBasicBlock *	getParent () const
InstructionCost	cost (ElementCount VF, VPCostContext &Ctx)
	Return the cost of this recipe, taking into account if the cost computation should be skipped and the ForceTargetInstructionCost flag.
void	insertBefore (VPRecipeBase *InsertPos)
	Insert an unlinked recipe into a basic block immediately before the specified recipe.
void	insertBefore (VPBasicBlock &BB, iplist< VPRecipeBase >::iterator IP)
	Insert an unlinked recipe into `BB` immediately before the insertion point `IP`;.
void	insertAfter (VPRecipeBase *InsertPos)
	Insert an unlinked Recipe into a basic block immediately after the specified Recipe.
void	moveAfter (VPRecipeBase *MovePos)
	Unlink this recipe from its current VPBasicBlock and insert it into the VPBasicBlock that MovePos lives in, right after MovePos.
void	moveBefore (VPBasicBlock &BB, iplist< VPRecipeBase >::iterator I)
	Unlink this recipe and insert into BB before I.
void	removeFromParent ()
	This method unlinks 'this' from the containing basic block, but does not delete it.
iplist< VPRecipeBase >::iterator	eraseFromParent ()
	This method unlinks 'this' from the containing basic block and deletes it.
bool	mayHaveSideEffects () const
	Returns true if the recipe may have side-effects.
bool	isPhi () const
	Returns true for PHI-like recipes.
bool	mayReadFromMemory () const
	Returns true if the recipe may read from memory.
bool	mayWriteToMemory () const
	Returns true if the recipe may write to memory.
bool	mayReadOrWriteMemory () const
	Returns true if the recipe may read from or write to memory.
DebugLoc	getDebugLoc () const
	Returns the debug location of the recipe.
bool	isScalarCast () const
	Return true if the recipe is a scalar cast.
void	setDebugLoc (DebugLoc NewDL)
	Set the recipe's debug location to `NewDL`.
Public Member Functions inherited from llvm::ilist_node_with_parent< VPRecipeBase, VPBasicBlock >
VPRecipeBase *	getPrevNode ()
VPRecipeBase *	getNextNode ()
	Get the next node, or `nullptr` for the list tail.
Public Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type >
self_iterator	getIterator ()
reverse_self_iterator	getReverseIterator ()
std::enable_if_t< T::is_sentinel_tracking_explicit, bool >	isSentinel () const
	Check whether this is the sentinel node.
Public Member Functions inherited from llvm::ilist_detail::node_parent_access< ilist_node_impl< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type >, ilist_detail::compute_node_options< VPRecipeBase, Options... >::type::parent_ty >
const ilist_detail::compute_node_options< VPRecipeBase, Options... >::type::parent_ty *	getParent () const
void	setParent (ilist_detail::compute_node_options< VPRecipeBase, Options... >::type::parent_ty *Parent)
Public Member Functions inherited from llvm::VPDef
	VPDef (const unsigned char SC)
virtual	~VPDef ()
VPValue *	getVPSingleValue ()
	Returns the only VPValue defined by the VPDef.
const VPValue *	getVPSingleValue () const
VPValue *	getVPValue (unsigned I)
	Returns the VPValue with index `I` defined by the VPDef.
const VPValue *	getVPValue (unsigned I) const
ArrayRef< VPValue * >	definedValues ()
	Returns an ArrayRef of the values defined by the VPDef.
ArrayRef< VPValue * >	definedValues () const
	Returns an ArrayRef of the values defined by the VPDef.
unsigned	getNumDefinedValues () const
	Returns the number of values defined by the VPDef.
unsigned	getVPDefID () const
void	dump () const
	Dump the VPDef to stderr (for debugging).
virtual void	print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const =0
	Each concrete VPDef prints itself.
Public Member Functions inherited from llvm::VPUser
	VPUser ()=delete
	VPUser (const VPUser &)=delete
VPUser &	operator= (const VPUser &)=delete
virtual	~VPUser ()
void	addOperand (VPValue *Operand)
unsigned	getNumOperands () const
VPValue *	getOperand (unsigned N) const
void	setOperand (unsigned I, VPValue *New)
void	swapOperands ()
	Swap operands of the VPUser. It must have exactly 2 operands.
void	replaceUsesOfWith (VPValue From, VPValue To)
	Replaces all uses of `From` in the VPUser with `To`.
operand_iterator	op_begin ()
const_operand_iterator	op_begin () const
operand_iterator	op_end ()
const_operand_iterator	op_end () const
operand_range	operands ()
const_operand_range	operands () const
virtual bool	usesScalars (const VPValue *Op) const
	Returns true if the VPUser uses scalars of operand `Op`.
virtual bool	onlyFirstLaneUsed (const VPValue *Op) const
	Returns true if the VPUser only uses the first lane of operand `Op`.
virtual bool	onlyFirstPartUsed (const VPValue *Op) const
	Returns true if the VPUser only uses the first part of operand `Op`.
Public Member Functions inherited from llvm::VPIRMetadata
	VPIRMetadata ()
	VPIRMetadata (Instruction &I)
	Adds metatadata that can be preserved from the original instruction `I`.
	VPIRMetadata (Instruction &I, LoopVersioning *LVer)
	Adds metatadata that can be preserved from the original instruction `I` and noalias metadata guaranteed by runtime checks using `LVer`.
	VPIRMetadata (const VPIRMetadata &Other)
	Copy constructor for cloning.
VPIRMetadata &	operator= (const VPIRMetadata &Other)
void	applyMetadata (Instruction &I) const
	Add all metadata to `I`.
void	addMetadata (unsigned Kind, MDNode *Node)
	Add metadata with kind `Kind` and `Node`.
void	intersect (const VPIRMetadata &MD)
	Intersect this VPIRMetada object with `MD`, keeping only metadata nodes that are common to both.

Static Public Member Functions
static bool	classof (const VPRecipeBase *R)
static bool	classof (const VPUser *U)
Static Public Member Functions inherited from llvm::VPRecipeBase
static bool	classof (const VPDef *D)
	Method to support type inquiry through isa, cast, and dyn_cast.
static bool	classof (const VPUser *U)

Protected Member Functions
void	setMask (VPValue *Mask)
	VPWidenMemoryRecipe (const char unsigned SC, Instruction &I, std::initializer_list< VPValue * > Operands, bool Consecutive, bool Reverse, const VPIRMetadata &Metadata, DebugLoc DL)
Protected Member Functions inherited from llvm::ilist_node_with_parent< VPRecipeBase, VPBasicBlock >
	ilist_node_with_parent ()=default
Protected Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type >
	ilist_node_impl ()=default
Protected Member Functions inherited from llvm::VPUser
void	printOperands (raw_ostream &O, VPSlotTracker &SlotTracker) const
	Print the operands to `O`.
	VPUser (ArrayRef< VPValue * > Operands)

Protected Attributes
Instruction &	Ingredient
bool	Consecutive
	Whether the accessed addresses are consecutive.
bool	Reverse
	Whether the consecutive accessed addresses are in reverse order.
bool	IsMasked = false
	Whether the memory access is masked.

Additional Inherited Members
Public Types inherited from llvm::VPDef
using	VPRecipeTy
	An enumeration for keeping track of the concrete subclass of VPRecipeBase that is actually instantiated.
Public Types inherited from llvm::VPUser
typedef SmallVectorImpl< VPValue * >::iterator	operand_iterator
typedef SmallVectorImpl< VPValue * >::const_iterator	const_operand_iterator
typedef iterator_range< operand_iterator >	operand_range
typedef iterator_range< const_operand_iterator >	const_operand_range
Protected Types inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< VPRecipeBase, Options... >::type >
using	self_iterator
using	const_self_iterator
using	reverse_self_iterator
using	const_reverse_self_iterator

Detailed Description

A common base class for widening memory operations.

An optional mask can be provided as the last operand.

Definition at line 3128 of file VPlan.h.

Constructor & Destructor Documentation

◆ VPWidenMemoryRecipe()

llvm::VPWidenMemoryRecipe::VPWidenMemoryRecipe	(	const char unsigned	SC,
		Instruction &	I,
		std::initializer_list< VPValue * >	Operands,
		bool	Consecutive,
		bool	Reverse,
		const VPIRMetadata &	Metadata,
		DebugLoc	DL )