llvm::VectorizationFactor Struct Reference

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

#include "Transforms/Vectorize/LoopVectorizationPlanner.h"

Collaboration diagram for llvm::VectorizationFactor:

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. More...

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

Detailed Description

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

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

Definition at line 188 of file LoopVectorizationPlanner.h.

Constructor & Destructor Documentation

VectorizationFactor()

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

inline

Definition at line 202 of file LoopVectorizationPlanner.h.

Member Function Documentation

Disabled()

static VectorizationFactor llvm::VectorizationFactor::Disabled ( )

inlinestatic

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

Definition at line 207 of file LoopVectorizationPlanner.h.

References llvm::LinearPolySize< ElementCount >::getFixed().

Referenced by llvm::LoopVectorizationPlanner::plan(), llvm::LoopVectorizationPlanner::planInVPlanNativePath(), llvm::LoopVectorizePass::processLoop(), processLoopInVPlanNativePath(), and llvm::LoopVectorizationCostModel::selectEpilogueVectorizationFactor().

operator!=()

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

inline

Definition at line 215 of file LoopVectorizationPlanner.h.

operator==()

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

inline

Definition at line 211 of file LoopVectorizationPlanner.h.

References Cost, and Width.

Member Data Documentation

Cost

InstructionCost llvm::VectorizationFactor::Cost

Cost of the loop with that width.

Definition at line 193 of file LoopVectorizationPlanner.h.

Referenced by operator==(), llvm::LoopVectorizePass::processLoop(), and llvm::LoopVectorizationCostModel::selectVectorizationFactor().

MinProfitableTripCount

ElementCount llvm::VectorizationFactor::MinProfitableTripCount

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

due to runtime checks.

Definition at line 200 of file LoopVectorizationPlanner.h.

Referenced by llvm::LoopVectorizePass::processLoop().

ScalarCost

InstructionCost llvm::VectorizationFactor::ScalarCost

Cost of the scalar loop.

Definition at line 196 of file LoopVectorizationPlanner.h.

Referenced by llvm::LoopVectorizationCostModel::selectVectorizationFactor().

Width

ElementCount llvm::VectorizationFactor::Width

Vector width with best cost.

Definition at line 190 of file LoopVectorizationPlanner.h.

Referenced by operator==(), llvm::LoopVectorizePass::processLoop(), and llvm::LoopVectorizationCostModel::selectVectorizationFactor().

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

• lib/Transforms/Vectorize/LoopVectorizationPlanner.h