llvm::VectorizationFactor Struct Reference

TODO: The following VectorizationFactor was pulled out of LoopVectorizationCostModel class. More...

#include "Transforms/Vectorize/LoopVectorizationPlanner.h"

Public Member Functions
	VectorizationFactor (ElementCount Width, InstructionCost Cost, InstructionCost ScalarCost)
bool	operator== (const VectorizationFactor &rhs) const
bool	operator!= (const VectorizationFactor &rhs) const

Static Public Member Functions
static VectorizationFactor	Disabled ()
	Width 1 means no vectorization, cost 0 means uncomputed cost.

Public Attributes
ElementCount	Width
	Vector width with best cost.
InstructionCost	Cost
	Cost of the loop with that width.
InstructionCost	ScalarCost
	Cost of the scalar loop.
ElementCount	MinProfitableTripCount
	The minimum trip count required to make vectorization profitable, e.g.

Detailed Description

TODO: The following VectorizationFactor was pulled out of LoopVectorizationCostModel class.

LV also deals with VectorizerParams::VectorizationFactor. We need to streamline them. Information about vectorization costs.

Definition at line 507 of file LoopVectorizationPlanner.h.

Constructor & Destructor Documentation

VectorizationFactor()

llvm::VectorizationFactor::VectorizationFactor ( ElementCount Width, InstructionCost Cost, InstructionCost ScalarCost )

inline

Definition at line 521 of file LoopVectorizationPlanner.h.

References Cost, ScalarCost, and Width.

Referenced by Disabled(), operator!=(), and operator==().

Member Function Documentation

Disabled()

VectorizationFactor llvm::VectorizationFactor::Disabled ( )

inlinestatic

Width 1 means no vectorization, cost 0 means uncomputed cost.

Definition at line 526 of file LoopVectorizationPlanner.h.

References llvm::ElementCount::getFixed(), and VectorizationFactor().

Referenced by llvm::LoopVectorizationPlanner::computeBestVF(), and llvm::LoopVectorizationPlanner::selectBestEpiloguePlan().

operator!=()

bool llvm::VectorizationFactor::operator!= ( const VectorizationFactor & rhs ) const

inline

Definition at line 534 of file LoopVectorizationPlanner.h.

References VectorizationFactor().

operator==()

bool llvm::VectorizationFactor::operator== ( const VectorizationFactor & rhs ) const

inline

Definition at line 530 of file LoopVectorizationPlanner.h.

References Cost, VectorizationFactor(), and Width.

Member Data Documentation

Cost

InstructionCost llvm::VectorizationFactor::Cost

Cost of the loop with that width.

Definition at line 512 of file LoopVectorizationPlanner.h.

Referenced by llvm::LoopVectorizationPlanner::computeBestVF(), isOutsideLoopWorkProfitable(), operator==(), and VectorizationFactor().

MinProfitableTripCount

ElementCount llvm::VectorizationFactor::MinProfitableTripCount

The minimum trip count required to make vectorization profitable, e.g.

due to runtime checks.

Definition at line 519 of file LoopVectorizationPlanner.h.

Referenced by isOutsideLoopWorkProfitable().

ScalarCost

InstructionCost llvm::VectorizationFactor::ScalarCost

Cost of the scalar loop.

Definition at line 515 of file LoopVectorizationPlanner.h.

Referenced by llvm::LoopVectorizationPlanner::computeBestVF(), isOutsideLoopWorkProfitable(), and VectorizationFactor().

Width

ElementCount llvm::VectorizationFactor::Width

Vector width with best cost.

Definition at line 509 of file LoopVectorizationPlanner.h.

Referenced by llvm::LoopVectorizationPlanner::computeBestVF(), isOutsideLoopWorkProfitable(), operator==(), llvm::reportVectorization(), and VectorizationFactor().

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The documentation for this struct was generated from the following file:

• lib/Transforms/Vectorize/LoopVectorizationPlanner.h