A recipe to wrap on original IR instruction not to be modified during execution, except for PHIs. More...

#include "Transforms/Vectorize/VPlan.h"

Inheritance diagram for llvm::VPIRInstruction:

Public Member Functions
	~VPIRInstruction () override=default
VPIRInstruction *	clone () override
	Clone the current recipe.
void	execute (VPTransformState &State) override
	The method which generates the output IR instructions that correspond to this VPRecipe, thereby "executing" the VPlan.
LLVM_ABI_FOR_TEST InstructionCost	computeCost (ElementCount VF, VPCostContext &Ctx) const override
	Return the cost of this VPIRInstruction.
Instruction &	getInstruction () const
void	print (raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const override
	Print the recipe.
bool	usesScalars (const VPValue *Op) const override
	Returns true if the VPUser uses scalars of operand `Op`.
bool	onlyFirstPartUsed (const VPValue *Op) const override
	Returns true if the VPUser only uses the first part of operand `Op`.
bool	onlyFirstLaneUsed (const VPValue *Op) const override
	Returns true if the VPUser only uses the first lane of operand `Op`.
void	extractLastLaneOfFirstOperand (VPBuilder &Builder)
	Update the recipes first operand to the last lane of the operand using `Builder`.
Public Member Functions inherited from llvm::VPRecipeBase
	VPRecipeBase (const unsigned char SC, ArrayRef< VPValue * > Operands, DebugLoc DL=DebugLoc::getUnknown())
	~VPRecipeBase () override=default
VPBasicBlock *	getParent ()
const VPBasicBlock *	getParent () const
VPRegionBlock *	getRegion ()
const VPRegionBlock *	getRegion () 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).
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

Static Public Member Functions
static LLVM_ABI_FOR_TEST VPIRInstruction *	create (Instruction &I)
	Create a new VPIRPhi for `\I` , if it is a PHINode, otherwise create a VPIRInstruction.
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
	VPIRInstruction (Instruction &I)
	VPIRInstruction::create() should be used to create VPIRInstructions, as subclasses may need to be created, e.g.
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)

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 recipe to wrap on original IR instruction not to be modified during execution, except for PHIs.

PHIs are modeled via the VPIRPhi subclass. Expect PHIs, VPIRInstructions cannot have any operands.

Definition at line 1351 of file VPlan.h.

Constructor & Destructor Documentation

◆ VPIRInstruction()

llvm::VPIRInstruction::VPIRInstruction ( Instruction & I )

inlineprotected

VPIRInstruction::create() should be used to create VPIRInstructions, as subclasses may need to be created, e.g.

VPIRPhi.

Definition at line 1357 of file VPlan.h.

References llvm::VPRecipeBase::VPRecipeBase().

Referenced by clone(), create(), llvm::VPIRPhi::VPIRPhi(), and ~VPIRInstruction().

◆ ~VPIRInstruction()

llvm::VPIRInstruction::~VPIRInstruction ( )

overridedefault

References LLVM_ABI_FOR_TEST, and VPIRInstruction().

Member Function Documentation

◆ clone()

VPIRInstruction * llvm::VPIRInstruction::clone ( )

inlineoverridevirtual

Clone the current recipe.

Implements llvm::VPRecipeBase.

Definition at line 1369 of file VPlan.h.

References clone(), create(), llvm::VPUser::operands(), and VPIRInstruction().

Referenced by clone().

◆ computeCost()

InstructionCost VPIRInstruction::computeCost	(	ElementCount	VF,
		VPCostContext &	Ctx ) const

overridevirtual

Return the cost of this VPIRInstruction.

Reimplemented from llvm::VPRecipeBase.

Definition at line 1556 of file VPlanRecipes.cpp.

◆ create()

VPIRInstruction * VPIRInstruction::create ( Instruction & I )

static

Create a new VPIRPhi for \I , if it is a PHINode, otherwise create a VPIRInstruction.

Definition at line 1542 of file VPlanRecipes.cpp.

References llvm::dyn_cast(), and VPIRInstruction().

Referenced by clone(), llvm::VPlan::createVPIRBasicBlock(), and llvm::VPlanTransforms::expandSCEVs().

◆ execute()

void VPIRInstruction::execute ( VPTransformState & State )

overridevirtual

The method which generates the output IR instructions that correspond to this VPRecipe, thereby "executing" the VPlan.

Implements llvm::VPRecipeBase.

Reimplemented in llvm::VPIRPhi.

Definition at line 1548 of file VPlanRecipes.cpp.

References assert(), llvm::VPUser::getNumOperands(), and llvm::isa().

◆ extractLastLaneOfFirstOperand()

void VPIRInstruction::extractLastLaneOfFirstOperand ( VPBuilder & Builder )

Update the recipes first operand to the last lane of the operand using Builder.

Must only be used for VPIRInstructions with at least one operand wrapping a PHINode.

Definition at line 1563 of file VPlanRecipes.cpp.

References assert(), llvm::VPInstruction::ExtractLastElement, getInstruction(), llvm::VPUser::getNumOperands(), llvm::VPUser::getOperand(), llvm::isa(), llvm::VPValue::isLiveIn(), and llvm::VPUser::setOperand().

◆ getInstruction()

Instruction & llvm::VPIRInstruction::getInstruction ( ) const

inline

Definition at line 1382 of file VPlan.h.

Referenced by extractLastLaneOfFirstOperand(), and llvm::VPIRPhi::getIRPhi().

◆ onlyFirstLaneUsed()

bool llvm::VPIRInstruction::onlyFirstLaneUsed ( const VPValue * Op ) const

inlineoverridevirtual

Returns true if the VPUser only uses the first lane of operand Op.

Conservatively returns false.

Reimplemented from llvm::VPUser.

Definition at line 1402 of file VPlan.h.

References assert(), llvm::is_contained(), and llvm::VPUser::operands().

◆ onlyFirstPartUsed()

bool llvm::VPIRInstruction::onlyFirstPartUsed ( const VPValue * Op ) const

inlineoverridevirtual

Returns true if the VPUser only uses the first part of operand Op.

Conservatively returns false.

Reimplemented from llvm::VPUser.

Definition at line 1396 of file VPlan.h.

References assert(), llvm::is_contained(), and llvm::VPUser::operands().

◆ print()

void VPIRInstruction::print	(	raw_ostream &	O,
		const Twine &	Indent,
		VPSlotTracker &	SlotTracker ) const

overridevirtual

Print the recipe.

Implements llvm::VPDef.

Reimplemented in llvm::VPIRPhi.

Definition at line 1576 of file VPlanRecipes.cpp.

Referenced by llvm::VPIRPhi::print().

◆ usesScalars()

bool llvm::VPIRInstruction::usesScalars ( const VPValue * Op ) const

inlineoverridevirtual

Returns true if the VPUser uses scalars of operand Op.

Conservatively returns if only first (scalar) lane is used, as default.

Reimplemented from llvm::VPUser.

Definition at line 1390 of file VPlan.h.

References assert(), llvm::is_contained(), and llvm::VPUser::operands().

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

lib/Transforms/Vectorize/VPlan.h
lib/Transforms/Vectorize/VPlanRecipes.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ VPIRInstruction()

◆ ~VPIRInstruction()

Member Function Documentation

◆ clone()

◆ computeCost()

◆ create()

◆ execute()

◆ extractLastLaneOfFirstOperand()

◆ getInstruction()

◆ onlyFirstLaneUsed()

◆ onlyFirstPartUsed()

◆ print()

◆ usesScalars()