llvm::SinkAndHoistLICMFlags Class Reference

Flags controlling how much is checked when sinking or hoisting instructions. More...

#include "llvm/Transforms/Utils/LoopUtils.h"

Collaboration diagram for llvm::SinkAndHoistLICMFlags:

Public Member Functions
	SinkAndHoistLICMFlags (unsigned LicmMssaOptCap, unsigned LicmMssaNoAccForPromotionCap, bool IsSink, Loop *L=nullptr, MemorySSA *MSSA=nullptr)
	SinkAndHoistLICMFlags (bool IsSink, Loop *L=nullptr, MemorySSA *MSSA=nullptr)
void	setIsSink (bool B)
bool	getIsSink ()
bool	tooManyMemoryAccesses ()
bool	tooManyClobberingCalls ()
void	incrementClobberingCalls ()

Protected Attributes
bool	NoOfMemAccTooLarge = false
unsigned	LicmMssaOptCounter = 0
unsigned	LicmMssaOptCap
unsigned	LicmMssaNoAccForPromotionCap
bool	IsSink

Detailed Description

Flags controlling how much is checked when sinking or hoisting instructions.

The number of memory access in the loop (and whether there are too many) is determined in the constructors when using MemorySSA.

Definition at line 115 of file LoopUtils.h.

Constructor & Destructor Documentation

SinkAndHoistLICMFlags() [1/2]

llvm::SinkAndHoistLICMFlags::SinkAndHoistLICMFlags	(	unsigned	LicmMssaOptCap,
		unsigned	LicmMssaNoAccForPromotionCap,
		bool	IsSink,
		Loop *	L = nullptr,
		MemorySSA *	MSSA = nullptr
	)

Definition at line 358 of file LICM.cpp.

References assert(), BB, llvm::MemorySSA::getBlockAccesses(), llvm::LoopBase< BlockT, LoopT >::getBlocks(), LicmMssaNoAccForPromotionCap, and NoOfMemAccTooLarge.

SinkAndHoistLICMFlags() [2/2]

llvm::SinkAndHoistLICMFlags::SinkAndHoistLICMFlags	(	bool	IsSink,
		Loop *	L = nullptr,
		MemorySSA *	MSSA = nullptr
	)

Definition at line 353 of file LICM.cpp.

Member Function Documentation

getIsSink()

bool llvm::SinkAndHoistLICMFlags::getIsSink ( )

inline

Definition at line 126 of file LoopUtils.h.

References IsSink.

Referenced by llvm::canSinkOrHoistInst(), and pointerInvalidatedByLoop().

incrementClobberingCalls()

void llvm::SinkAndHoistLICMFlags::incrementClobberingCalls ( )

inline

Definition at line 129 of file LoopUtils.h.

References LicmMssaOptCounter.

Referenced by llvm::canSinkOrHoistInst(), and pointerInvalidatedByLoop().

setIsSink()

void llvm::SinkAndHoistLICMFlags::setIsSink ( bool  B )

inline

Definition at line 125 of file LoopUtils.h.

References B, and IsSink.

tooManyClobberingCalls()

bool llvm::SinkAndHoistLICMFlags::tooManyClobberingCalls ( )

inline

Definition at line 128 of file LoopUtils.h.

References LicmMssaOptCap, and LicmMssaOptCounter.

Referenced by llvm::canSinkOrHoistInst(), and pointerInvalidatedByLoop().

tooManyMemoryAccesses()

bool llvm::SinkAndHoistLICMFlags::tooManyMemoryAccesses ( )

inline

Definition at line 127 of file LoopUtils.h.

References NoOfMemAccTooLarge.

Referenced by llvm::canSinkOrHoistInst(), and pointerInvalidatedByLoop().

Member Data Documentation

IsSink

bool llvm::SinkAndHoistLICMFlags::IsSink

protected

Definition at line 136 of file LoopUtils.h.

Referenced by getIsSink(), and setIsSink().

LicmMssaNoAccForPromotionCap

unsigned llvm::SinkAndHoistLICMFlags::LicmMssaNoAccForPromotionCap

protected

Definition at line 135 of file LoopUtils.h.

Referenced by SinkAndHoistLICMFlags().

LicmMssaOptCap

unsigned llvm::SinkAndHoistLICMFlags::LicmMssaOptCap

protected

Definition at line 134 of file LoopUtils.h.

Referenced by tooManyClobberingCalls().

LicmMssaOptCounter

unsigned llvm::SinkAndHoistLICMFlags::LicmMssaOptCounter = 0

protected

Definition at line 133 of file LoopUtils.h.

Referenced by incrementClobberingCalls(), and tooManyClobberingCalls().

NoOfMemAccTooLarge

bool llvm::SinkAndHoistLICMFlags::NoOfMemAccTooLarge = false

protected

Definition at line 132 of file LoopUtils.h.

Referenced by SinkAndHoistLICMFlags(), and tooManyMemoryAccesses().

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

• include/llvm/Transforms/Utils/LoopUtils.h
• lib/Transforms/Scalar/LICM.cpp