class VPBlendRecipe

Declaration

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

Description

A recipe for vectorizing a phi-node as a sequence of mask-based select instructions.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1369

Inherits from: VPRecipeBase, VPValue

Member Variables

private llvm::PHINode* Phi

Inherited from VPValue:

protected UnderlyingVal

protected Def

Method Overview

• public VPBlendRecipe(llvm::PHINode * Phi, ArrayRef<llvm::VPValue *> Operands)
• public static inline bool classof(const llvm::VPDef * D)
• public void execute(llvm::VPTransformState & State)
• public llvm::VPValue * getIncomingValue(unsigned int Idx) const
• public llvm::VPValue * getMask(unsigned int Idx) const
• public unsigned int getNumIncomingValues() const
• public bool onlyFirstLaneUsed(const llvm::VPValue * Op) const
• public void print(llvm::raw_ostream & O, const llvm::Twine & Indent, llvm::VPSlotTracker & SlotTracker) const

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

¶VPBlendRecipe(llvm::PHINode* Phi,
              ArrayRef<llvm::VPValue*> Operands)

Description

The blend operation is a User of the incoming values and of their respective masks, ordered [I0, M0, I1, M1, ...]. Note that a single value might be incoming with a full mask for which there is no VPValue.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1376

Parameters

llvm::PHINode* Phi

ArrayRef<llvm::VPValue*> Operands

¶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:1386

Parameters

const llvm::VPDef* D

¶void execute(llvm::VPTransformState& State)

Description

Generate the phi/select nodes.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1401

Parameters

llvm::VPTransformState& State

¶llvm::VPValue* getIncomingValue(
    unsigned int Idx) const

Description

Return incoming value number \p Idx.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1395

Parameters

unsigned int Idx

¶llvm::VPValue* getMask(unsigned int Idx) const

Description

Return mask number \p Idx.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1398

Parameters

unsigned int Idx

¶unsigned int getNumIncomingValues() const

Description

Return the number of incoming values, taking into account that a single incoming value has no mask.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1392

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

Description

Returns true if the recipe only uses the first lane of operand \p Op.

Declared at: llvm/lib/Transforms/Vectorize/VPlan.h:1410

Parameters

const llvm::VPValue* Op

¶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:1405

Parameters

llvm::raw_ostream& O

const llvm::Twine& Indent

llvm::VPSlotTracker& SlotTracker