LLVM 17.0.0git
Public Types | Public Member Functions | Protected Member Functions | Protected Attributes | Friends | List of all members
llvm::VPValue Class Reference

#include "Transforms/Vectorize/VPlanValue.h"

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Public Types

enum  { VPValueSC , VPVRecipeSC }
 An enumeration for keeping track of the concrete subclass of VPValue that are actually instantiated. More...
 
typedef SmallVectorImpl< VPUser * >::iterator user_iterator
 
typedef SmallVectorImpl< VPUser * >::const_iterator const_user_iterator
 
typedef iterator_range< user_iterator > user_range
 
typedef iterator_range< const_user_iterator > const_user_range
 

Public Member Functions

Value * getUnderlyingValue ()
 Return the underlying Value attached to this VPValue.
 
const Value * getUnderlyingValue () const
 
 VPValue (Value *UV=nullptr)
 Create a live-in VPValue.
 
 VPValue (VPDef *Def, Value *UV=nullptr)
 Create a VPValue for a Def which is a subclass of VPValue.
 
 VPValue (Value *UV, VPDef *Def)
 Create a VPValue for a Def which defines multiple values.
 
 VPValue (const VPValue &)=delete
 
VPValue & operator= (const VPValue &)=delete
 
virtual ~VPValue ()
 
unsigned getVPValueID () const
 
void printAsOperand (raw_ostream &OS, VPSlotTracker &Tracker) const
 
void print (raw_ostream &OS, VPSlotTracker &Tracker) const
 
void dump () const
 Dump the value to stderr (for debugging).
 
unsigned getNumUsers () const
 
void addUser (VPUser &User)
 
void removeUser (VPUser &User)
 Remove a single User from the list of users.
 
user_iterator user_begin ()
 
const_user_iterator user_begin () const
 
user_iterator user_end ()
 
const_user_iterator user_end () const
 
user_range users ()
 
const_user_range users () const
 
bool hasMoreThanOneUniqueUser ()
 Returns true if the value has more than one unique user.
 
void replaceAllUsesWith (VPValue *New)
 
VPRecipeBase * getDefiningRecipe ()
 Returns the recipe defining this VPValue or nullptr if it is not defined by a recipe, i.e.
 
const VPRecipeBase * getDefiningRecipe () const
 
bool hasDefiningRecipe () const
 Returns true if this VPValue is defined by a recipe.
 
Value * getLiveInIRValue ()
 Returns the underlying IR value, if this VPValue is defined outside the scope of VPlan.
 
const Value * getLiveInIRValue () const
 
bool isDefinedOutsideVectorRegions () const
 Returns true if the VPValue is defined outside any vector regions, i.e.
 

Protected Member Functions

 VPValue (const unsigned char SC, Value *UV=nullptr, VPDef *Def=nullptr)
 
void setUnderlyingValue (Value *Val)
 

Protected Attributes

Value * UnderlyingVal
 
VPDef * Def
 Pointer to the VPDef that defines this VPValue.
 

Friends

class VPBuilder
 
class VPDef
 
class VPInstruction
 
struct VPlanTransforms
 
class VPBasicBlock
 
class VPInterleavedAccessInfo
 
class VPSlotTracker
 
class VPRecipeBase
 
class VPWidenMemoryInstructionRecipe
 

Detailed Description

Definition at line 44 of file VPlanValue.h.

Member Typedef Documentation

◆ const_user_iterator

typedef SmallVectorImpl<VPUser*>::const_iterator llvm::VPValue::const_user_iterator

Definition at line 139 of file VPlanValue.h.

◆ const_user_range

typedef iterator_range<const_user_iterator> llvm::VPValue::const_user_range

Definition at line 141 of file VPlanValue.h.

◆ user_iterator

typedef SmallVectorImpl<VPUser*>::iterator llvm::VPValue::user_iterator

Definition at line 138 of file VPlanValue.h.

◆ user_range

typedef iterator_range<user_iterator> llvm::VPValue::user_range

Definition at line 140 of file VPlanValue.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

An enumeration for keeping track of the concrete subclass of VPValue that are actually instantiated.

Enumerator
VPValueSC 
VPVRecipeSC 

A generic VPValue, like live-in values or defined by a recipe that defines multiple values.

A VPValue sub-class that is a VPRecipeBase.

Definition at line 89 of file VPlanValue.h.

Constructor & Destructor Documentation

◆ VPValue() [1/5]

VPValue::VPValue ( const unsigned char  SC,
Value *  UV = nullptr,
VPDef *  Def = nullptr 
)
protected

Definition at line 76 of file VPlan.cpp.

References Def.

◆ VPValue() [2/5]

llvm::VPValue::VPValue ( Value *  UV = nullptr)
inline

Create a live-in VPValue.

Definition at line 96 of file VPlanValue.h.

◆ VPValue() [3/5]

llvm::VPValue::VPValue ( VPDef *  Def,
Value *  UV = nullptr 
)
inline

Create a VPValue for a Def which is a subclass of VPValue.

Definition at line 98 of file VPlanValue.h.

◆ VPValue() [4/5]

llvm::VPValue::VPValue ( Value *  UV,
VPDef *  Def 
)
inline

Create a VPValue for a Def which defines multiple values.

Definition at line 100 of file VPlanValue.h.

◆ VPValue() [5/5]

llvm::VPValue::VPValue ( const VPValue &  )
delete

◆ ~VPValue()

VPValue::~VPValue ( )
virtual

Definition at line 82 of file VPlan.cpp.

References assert(), and Def.

Member Function Documentation

◆ addUser()

void llvm::VPValue::addUser ( VPUser &  User)
inline

Definition at line 120 of file VPlanValue.h.

References Users.

Referenced by llvm::VPUser::addOperand().

◆ dump()

void VPValue::dump ( ) const

Dump the value to stderr (for debugging).

Definition at line 96 of file VPlan.cpp.

References llvm::dbgs(), Def, llvm::VPRecipeBase::getParent(), llvm::VPBlockBase::getPlan(), and print().

◆ getDefiningRecipe() [1/2]

VPRecipeBase * VPValue::getDefiningRecipe ( )

Returns the recipe defining this VPValue or nullptr if it is not defined by a recipe, i.e.

is a live-in.

Definition at line 113 of file VPlan.cpp.

References Def.

Referenced by llvm::VPHeaderPHIRecipe::classof(), llvm::VPHeaderPHIRecipe::getBackedgeRecipe(), llvm::VPWidenCanonicalIVRecipe::getScalarType(), hasDefiningRecipe(), llvm::vputils::isUniformAfterVectorization(), and llvm::VPlanTransforms::optimizeInductions().

◆ getDefiningRecipe() [2/2]

const VPRecipeBase * VPValue::getDefiningRecipe ( ) const

Definition at line 117 of file VPlan.cpp.

References Def.

◆ getLiveInIRValue() [1/2]

Value * llvm::VPValue::getLiveInIRValue ( )
inline

Returns the underlying IR value, if this VPValue is defined outside the scope of VPlan.

Returns nullptr if the VPValue is defined by a VPDef inside a VPlan.

Definition at line 177 of file VPlanValue.h.

References assert(), getUnderlyingValue(), and hasDefiningRecipe().

Referenced by llvm::VPFirstOrderRecurrencePHIRecipe::execute(), llvm::VPReductionPHIRecipe::execute(), llvm::VPCanonicalIVPHIRecipe::execute(), llvm::InnerLoopVectorizer::fixFixedOrderRecurrence(), llvm::VPCanonicalIVPHIRecipe::getScalarType(), llvm::VPWidenIntOrFpInductionRecipe::isCanonical(), llvm::VPCanonicalIVPHIRecipe::isCanonical(), and llvm::VPlanTransforms::optimizeForVFAndUF().

◆ getLiveInIRValue() [2/2]

const Value * llvm::VPValue::getLiveInIRValue ( ) const
inline

Definition at line 182 of file VPlanValue.h.

References assert(), getUnderlyingValue(), and hasDefiningRecipe().

◆ getNumUsers()

unsigned llvm::VPValue::getNumUsers ( ) const
inline

Definition at line 119 of file VPlanValue.h.

References Users.

Referenced by hasMoreThanOneUniqueUser().

◆ getUnderlyingValue() [1/2]

Value * llvm::VPValue::getUnderlyingValue ( )
inline

Return the underlying Value attached to this VPValue.

Definition at line 84 of file VPlanValue.h.

References UnderlyingVal.

Referenced by llvm::VPWidenRecipe::execute(), llvm::VPReductionPHIRecipe::execute(), llvm::VPPredInstPHIRecipe::execute(), llvm::InnerLoopVectorizer::fixFixedOrderRecurrence(), llvm::InnerLoopVectorizer::fixReduction(), getLiveInIRValue(), llvm::VPWidenIntOrFpInductionRecipe::getTruncInst(), llvm::VPWidenPHIRecipe::print(), and llvm::VPlanTransforms::VPInstructionsToVPRecipes().

◆ getUnderlyingValue() [2/2]

const Value * llvm::VPValue::getUnderlyingValue ( ) const
inline

Definition at line 85 of file VPlanValue.h.

References UnderlyingVal.

◆ getVPValueID()

unsigned llvm::VPValue::getVPValueID ( ) const
inline
Returns
an ID for the concrete type of this object. This is used to implement the classof checks. This should not be used for any other purpose, as the values may change as LLVM evolves.

Definition at line 109 of file VPlanValue.h.

◆ hasDefiningRecipe()

bool llvm::VPValue::hasDefiningRecipe ( ) const
inline

Returns true if this VPValue is defined by a recipe.

Definition at line 172 of file VPlanValue.h.

References getDefiningRecipe().

Referenced by getLiveInIRValue(), and isDefinedOutsideVectorRegions().

◆ hasMoreThanOneUniqueUser()

bool llvm::VPValue::hasMoreThanOneUniqueUser ( )
inline

Returns true if the value has more than one unique user.

Definition at line 153 of file VPlanValue.h.

References getNumUsers(), user_begin(), and user_end().

◆ isDefinedOutsideVectorRegions()

bool llvm::VPValue::isDefinedOutsideVectorRegions ( ) const
inline

Returns true if the VPValue is defined outside any vector regions, i.e.

it is a live-in value. TODO: Also handle recipes defined in pre-header blocks.

Definition at line 191 of file VPlanValue.h.

References hasDefiningRecipe().

Referenced by llvm::vputils::isUniformAfterVectorization().

◆ operator=()

VPValue & llvm::VPValue::operator= ( const VPValue &  )
delete

◆ print()

void VPValue::print ( raw_ostream &  OS,
VPSlotTracker &  Tracker 
) const

Definition at line 89 of file VPlan.cpp.

References Def, and printAsOperand().

Referenced by llvm::VPlanPrinter::dump(), dump(), and llvm::operator<<().

◆ printAsOperand()

void VPValue::printAsOperand ( raw_ostream &  OS,
VPSlotTracker &  Tracker 
) const

Definition at line 1014 of file VPlan.cpp.

References llvm::VPSlotTracker::getSlot().

Referenced by llvm::VPInstruction::print(), llvm::VPWidenRecipe::print(), llvm::VPWidenCallRecipe::print(), llvm::VPWidenSelectRecipe::print(), llvm::VPWidenGEPRecipe::print(), llvm::VPWidenIntOrFpInductionRecipe::print(), llvm::VPWidenPointerInductionRecipe::print(), llvm::VPWidenPHIRecipe::print(), llvm::VPFirstOrderRecurrencePHIRecipe::print(), llvm::VPReductionPHIRecipe::print(), llvm::VPBlendRecipe::print(), llvm::VPReductionRecipe::print(), llvm::VPReplicateRecipe::print(), llvm::VPPredInstPHIRecipe::print(), llvm::VPWidenMemoryInstructionRecipe::print(), llvm::VPExpandSCEVRecipe::print(), llvm::VPCanonicalIVPHIRecipe::print(), llvm::VPActiveLaneMaskPHIRecipe::print(), llvm::VPWidenCanonicalIVRecipe::print(), llvm::VPDerivedIVRecipe::print(), llvm::VPScalarIVStepsRecipe::print(), and print().

◆ removeUser()

void llvm::VPValue::removeUser ( VPUser &  User)
inline

Remove a single User from the list of users.

Definition at line 123 of file VPlanValue.h.

References llvm::erase_if(), llvm::Other, and Users.

◆ replaceAllUsesWith()

void VPValue::replaceAllUsesWith ( VPValue *  New)

Definition at line 998 of file VPlan.cpp.

References E, llvm::User::getNumOperands(), llvm::User::getOperand(), I, llvm::User::setOperand(), and Users.

Referenced by llvm::VPlanTransforms::removeRedundantCanonicalIVs(), llvm::VPlanTransforms::removeRedundantInductionCasts(), and llvm::VPlanTransforms::VPInstructionsToVPRecipes().

◆ setUnderlyingValue()

void llvm::VPValue::setUnderlyingValue ( Value *  Val)
inlineprotected

Definition at line 77 of file VPlanValue.h.

References assert(), and UnderlyingVal.

Referenced by llvm::VPBuilder::createNaryOp(), and llvm::VPInstruction::setUnderlyingInstr().

◆ user_begin() [1/2]

user_iterator llvm::VPValue::user_begin ( )
inline

Definition at line 143 of file VPlanValue.h.

References Users.

Referenced by llvm::VPlanSlp::buildGraph(), hasMoreThanOneUniqueUser(), and users().

◆ user_begin() [2/2]

const_user_iterator llvm::VPValue::user_begin ( ) const
inline

Definition at line 144 of file VPlanValue.h.

References Users.

◆ user_end() [1/2]

user_iterator llvm::VPValue::user_end ( )
inline

Definition at line 145 of file VPlanValue.h.

References Users.

Referenced by llvm::VPlanSlp::buildGraph(), hasMoreThanOneUniqueUser(), and users().

◆ user_end() [2/2]

const_user_iterator llvm::VPValue::user_end ( ) const
inline

Definition at line 146 of file VPlanValue.h.

References Users.

◆ users() [1/2]

user_range llvm::VPValue::users ( )
inline

Definition at line 147 of file VPlanValue.h.

References user_begin(), and user_end().

Referenced by llvm::InnerLoopVectorizer::clearReductionWrapFlags(), llvm::VPlanTransforms::mergeReplicateRegionsIntoSuccessors(), llvm::VPBlendRecipe::onlyFirstLaneUsed(), llvm::VPlanTransforms::removeRedundantCanonicalIVs(), llvm::VPlanTransforms::removeRedundantInductionCasts(), and llvm::VPlanTransforms::sinkScalarOperands().

◆ users() [2/2]

const_user_range llvm::VPValue::users ( ) const
inline

Definition at line 148 of file VPlanValue.h.

References user_begin(), and user_end().

Friends And Related Function Documentation

◆ VPBasicBlock

friend class VPBasicBlock
friend

Definition at line 49 of file VPlanValue.h.

◆ VPBuilder

friend class VPBuilder
friend

Definition at line 45 of file VPlanValue.h.

◆ VPDef

friend class VPDef
friend

Definition at line 46 of file VPlanValue.h.

◆ VPInstruction

friend class VPInstruction
friend

Definition at line 47 of file VPlanValue.h.

Referenced by llvm::VPInstruction::clone().

◆ VPInterleavedAccessInfo

friend class VPInterleavedAccessInfo
friend

Definition at line 50 of file VPlanValue.h.

◆ VPlanTransforms

friend struct VPlanTransforms
friend

Definition at line 48 of file VPlanValue.h.

◆ VPRecipeBase

friend class VPRecipeBase
friend

Definition at line 52 of file VPlanValue.h.

◆ VPSlotTracker

friend class VPSlotTracker
friend

Definition at line 51 of file VPlanValue.h.

◆ VPWidenMemoryInstructionRecipe

friend class VPWidenMemoryInstructionRecipe
friend

Definition at line 53 of file VPlanValue.h.

Member Data Documentation

◆ Def

VPDef* llvm::VPValue::Def
protected

Pointer to the VPDef that defines this VPValue.

If it is nullptr, the VPValue is not defined by any recipe modeled in VPlan.

Definition at line 65 of file VPlanValue.h.

Referenced by dump(), getDefiningRecipe(), print(), VPValue(), and ~VPValue().

◆ UnderlyingVal

Value* llvm::VPValue::UnderlyingVal
protected

Definition at line 61 of file VPlanValue.h.

Referenced by getUnderlyingValue(), and setUnderlyingValue().

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