class VPWidenIntOrFpInductionRecipe

Declaration

class VPWidenIntOrFpInductionRecipe : public VPRecipeBase,
                                      public VPValue { /* full declaration omitted */ };

Description

A recipe for handling phi nodes of integer and floating-point inductions, producing their vector values.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1046

Inherits from: VPRecipeBase, VPValue

Member Variables

private llvm::PHINode* IV

private const llvm::InductionDescriptor& IndDesc

private bool NeedsVectorIV

Inherited from VPValue:

protected UnderlyingVal

protected Def

Method Overview

• public VPWidenIntOrFpInductionRecipe(llvm::PHINode * IV, llvm::VPValue * Start, llvm::VPValue * Step, const llvm::InductionDescriptor & IndDesc, llvm::TruncInst * Trunc, bool NeedsVectorIV)
• public VPWidenIntOrFpInductionRecipe(llvm::PHINode * IV, llvm::VPValue * Start, llvm::VPValue * Step, const llvm::InductionDescriptor & IndDesc, bool NeedsVectorIV)
• public static inline bool classof(const llvm::VPDef * D)
• public void execute(llvm::VPTransformState & State)
• public const llvm::InductionDescriptor & getInductionDescriptor() const
• public llvm::PHINode * getPHINode()
• public const llvm::Type * getScalarType() const
• public llvm::VPValue * getStartValue()
• public const llvm::VPValue * getStartValue() const
• public llvm::VPValue * getStepValue()
• public const llvm::VPValue * getStepValue() const
• public llvm::TruncInst * getTruncInst()
• public const llvm::TruncInst * getTruncInst() const
• public bool isCanonical() const
• public bool needsVectorIV() const
• public void print(llvm::raw_ostream & O, const llvm::Twine & Indent, llvm::VPSlotTracker & SlotTracker) const
• public ~VPWidenIntOrFpInductionRecipe()

Inherited from VPValue:

• public addUser
• public dump
• public getDef
• public getDef
• public getLiveInIRValue
• public getLiveInIRValue
• public getNumUsers
• public getUnderlyingValue
• public getUnderlyingValue
• public getVPValueID
• public hasMoreThanOneUniqueUser
• public print
• public printAsOperand
• public removeUser
• public replaceAllUsesWith
• protected setUnderlyingValue
• public user_begin
• public user_begin
• public user_end
• public user_end
• public users
• public users

Inherited from VPRecipeBase:

• public classof
• public classof
• public eraseFromParent
• public execute
• public getParent
• public getParent
• public getUnderlyingInstr
• public getUnderlyingInstr
• public insertAfter
• public insertBefore
• public insertBefore
• public isPhi
• public mayHaveSideEffects
• public mayReadFromMemory
• public mayReadOrWriteMemory
• public mayWriteToMemory
• public moveAfter
• public moveBefore
• public removeFromParent

Inherited from VPUser:

• public addOperand
• public classof
• public getNumOperands
• public getOperand
• public getVPUserID
• public onlyFirstLaneUsed
• public op_begin
• public op_begin
• public op_end
• public op_end
• public operands
• public operands
• protected printOperands
• public removeLastOperand
• public setOperand
• public usesScalars

Inherited from VPDef:

• public definedValues
• public definedValues
• public dump
• public getNumDefinedValues
• public getVPDefID
• public getVPSingleValue
• public getVPSingleValue
• public getVPValue
• public getVPValue
• public print

Methods

¶VPWidenIntOrFpInductionRecipe(
    llvm::PHINode* IV,
    llvm::VPValue* Start,
    llvm::VPValue* Step,
    const llvm::InductionDescriptor& IndDesc,
    llvm::TruncInst* Trunc,
    bool NeedsVectorIV)

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1059

Parameters

llvm::PHINode* IV

llvm::VPValue* Start

llvm::VPValue* Step

const llvm::InductionDescriptor& IndDesc

llvm::TruncInst* Trunc

bool NeedsVectorIV

¶VPWidenIntOrFpInductionRecipe(
    llvm::PHINode* IV,
    llvm::VPValue* Start,
    llvm::VPValue* Step,
    const llvm::InductionDescriptor& IndDesc,
    bool NeedsVectorIV)

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1052

Parameters

llvm::PHINode* IV

llvm::VPValue* Start

llvm::VPValue* Step

const llvm::InductionDescriptor& IndDesc

bool NeedsVectorIV

¶static inline bool classof(const llvm::VPDef* D)

Description

Method to support type inquiry through isa, cast, and dyn_cast.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1069

Parameters

const llvm::VPDef* D

¶void execute(llvm::VPTransformState& State)

Description

Generate the vectorized and scalarized versions of the phi node as needed by their users.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1075

Parameters

llvm::VPTransformState& State

¶const llvm::InductionDescriptor&
getInductionDescriptor() const

Description

Returns the induction descriptor for the recipe.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1103

¶llvm::PHINode* getPHINode()

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1100

¶const llvm::Type* getScalarType() const

Description

Returns the scalar type of the induction.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1110

¶llvm::VPValue* getStartValue()

Description

Returns the start value of the induction.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1084

¶const llvm::VPValue* getStartValue() const

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1085

¶llvm::VPValue* getStepValue()

Description

Returns the step value of the induction.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1088

¶const llvm::VPValue* getStepValue() const

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1089

¶llvm::TruncInst* getTruncInst()

Description

Returns the first defined value as TruncInst, if it is one or nullptr otherwise.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1093

¶const llvm::TruncInst* getTruncInst() const

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1096

¶bool isCanonical() const

Description

Returns true if the induction is canonical, i.e. starting at 0 and incremented by UF * VF (= the original IV is incremented by 1).

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1107

¶bool needsVectorIV() const

Description

Returns true if a vector phi needs to be created for the induction.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1116

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

Description

Print the recipe.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1079

Parameters

llvm::raw_ostream& O

const llvm::Twine& Indent

llvm::VPSlotTracker& SlotTracker

¶~VPWidenIntOrFpInductionRecipe()

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1066