llvm::SinkAndHoistLICMFlags Class Reference

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

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

Public Member Functions
LLVM_ABI	SinkAndHoistLICMFlags (unsigned LicmMssaOptCap, unsigned LicmMssaNoAccForPromotionCap, bool IsSink, Loop &L, MemorySSA &MSSA)
LLVM_ABI	SinkAndHoistLICMFlags (bool IsSink, Loop &L, MemorySSA &MSSA)
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 124 of file LoopUtils.h.

Constructor & Destructor Documentation

SinkAndHoistLICMFlags() [1/2]

llvm::SinkAndHoistLICMFlags::SinkAndHoistLICMFlags	(	unsigned	LicmMssaOptCap,
		unsigned	LicmMssaNoAccForPromotionCap,
		bool	IsSink,
		Loop &	L,
		MemorySSA &	MSSA )

Definition at line 395 of file LICM.cpp.

References Accesses, for(), llvm::MemorySSA::getBlockAccesses(), if(), IsSink, LicmMssaNoAccForPromotionCap, LicmMssaOptCap, and NoOfMemAccTooLarge.

Referenced by SinkAndHoistLICMFlags().

SinkAndHoistLICMFlags() [2/2]

llvm::SinkAndHoistLICMFlags::SinkAndHoistLICMFlags	(	bool	IsSink,
		Loop &	L,
		MemorySSA &	MSSA )

Definition at line 390 of file LICM.cpp.

References IsSink, llvm::SetLicmMssaNoAccForPromotionCap, llvm::SetLicmMssaOptCap, and SinkAndHoistLICMFlags().

Member Function Documentation

getIsSink()

bool llvm::SinkAndHoistLICMFlags::getIsSink ( )

inline

Definition at line 134 of file LoopUtils.h.

References IsSink.

incrementClobberingCalls()

void llvm::SinkAndHoistLICMFlags::incrementClobberingCalls ( )

inline

Definition at line 137 of file LoopUtils.h.

References LicmMssaOptCounter.

setIsSink()

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

inline

Definition at line 133 of file LoopUtils.h.

References B(), and IsSink.

tooManyClobberingCalls()

bool llvm::SinkAndHoistLICMFlags::tooManyClobberingCalls ( )

inline

Definition at line 136 of file LoopUtils.h.

References LicmMssaOptCap, and LicmMssaOptCounter.

tooManyMemoryAccesses()

bool llvm::SinkAndHoistLICMFlags::tooManyMemoryAccesses ( )

inline

Definition at line 135 of file LoopUtils.h.

References NoOfMemAccTooLarge.

Member Data Documentation

IsSink

bool llvm::SinkAndHoistLICMFlags::IsSink

protected

Definition at line 144 of file LoopUtils.h.

Referenced by getIsSink(), setIsSink(), SinkAndHoistLICMFlags(), and SinkAndHoistLICMFlags().

LicmMssaNoAccForPromotionCap

unsigned llvm::SinkAndHoistLICMFlags::LicmMssaNoAccForPromotionCap

protected

Definition at line 143 of file LoopUtils.h.

Referenced by SinkAndHoistLICMFlags().

LicmMssaOptCap

unsigned llvm::SinkAndHoistLICMFlags::LicmMssaOptCap

protected

Definition at line 142 of file LoopUtils.h.

Referenced by SinkAndHoistLICMFlags(), and tooManyClobberingCalls().

LicmMssaOptCounter

unsigned llvm::SinkAndHoistLICMFlags::LicmMssaOptCounter = 0

protected

Definition at line 141 of file LoopUtils.h.

Referenced by incrementClobberingCalls(), and tooManyClobberingCalls().

NoOfMemAccTooLarge

bool llvm::SinkAndHoistLICMFlags::NoOfMemAccTooLarge = false

protected

Definition at line 140 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