llvm::MemDepResult Class Reference

A memory dependence query can return one of three different answers. More...

#include "llvm/Analysis/MemoryDependenceAnalysis.h"

Public Member Functions
	MemDepResult ()=default
bool	isClobber () const
	Tests if this MemDepResult represents a query that is an instruction clobber dependency.
bool	isDef () const
	Tests if this MemDepResult represents a query that is an instruction definition dependency.
bool	isLocal () const
	Tests if this MemDepResult represents a valid local query (Clobber/Def).
bool	isNonLocal () const
	Tests if this MemDepResult represents a query that is transparent to the start of the block, but where a non-local hasn't been done.
bool	isNonFuncLocal () const
	Tests if this MemDepResult represents a query that is transparent to the start of the function.
bool	isUnknown () const
	Tests if this MemDepResult represents a query which cannot and/or will not be computed.
Instruction *	getInst () const
	If this is a normal dependency, returns the instruction that is depended on.
bool	operator== (const MemDepResult &M) const
bool	operator!= (const MemDepResult &M) const
bool	operator< (const MemDepResult &M) const
bool	operator> (const MemDepResult &M) const

Static Public Member Functions
static MemDepResult	getDef (Instruction *Inst)
	get methods: These are static ctor methods for creating various MemDepResult kinds.
static MemDepResult	getClobber (Instruction *Inst)
static MemDepResult	getNonLocal ()
static MemDepResult	getNonFuncLocal ()
static MemDepResult	getUnknown ()

Friends
class	MemoryDependenceResults

Detailed Description

A memory dependence query can return one of three different answers.

Definition at line 36 of file MemoryDependenceAnalysis.h.

Constructor & Destructor Documentation

MemDepResult()

llvm::MemDepResult::MemDepResult ( )

default

Referenced by getClobber(), getDef(), getNonFuncLocal(), getNonLocal(), and getUnknown().

Member Function Documentation

getClobber()

static MemDepResult llvm::MemDepResult::getClobber ( Instruction *  Inst )

inlinestatic

Definition at line 127 of file MemoryDependenceAnalysis.h.

References assert(), and MemDepResult().

Referenced by llvm::MemoryDependenceResults::getSimplePointerDependencyFrom().

getDef()

static MemDepResult llvm::MemDepResult::getDef ( Instruction *  Inst )

inlinestatic

get methods: These are static ctor methods for creating various MemDepResult kinds.

Definition at line 123 of file MemoryDependenceAnalysis.h.

References assert(), and MemDepResult().

Referenced by llvm::MemoryDependenceResults::getInvariantGroupPointerDependency(), and llvm::MemoryDependenceResults::getSimplePointerDependencyFrom().

getInst()

Instruction * llvm::MemDepResult::getInst ( ) const

inline

If this is a normal dependency, returns the instruction that is depended on.

Otherwise, returns null.

Definition at line 172 of file MemoryDependenceAnalysis.h.

References llvm_unreachable.

Referenced by llvm::MemoryDependenceResults::getDependency(), llvm::MemoryDependenceResults::getNonLocalCallDependency(), llvm::MemoryDependenceResults::removeInstruction(), and reportMayClobberedLoad().

getNonFuncLocal()

static MemDepResult llvm::MemDepResult::getNonFuncLocal ( )

inlinestatic

Definition at line 134 of file MemoryDependenceAnalysis.h.

References MemDepResult().

Referenced by llvm::MemoryDependenceResults::getDependency(), llvm::MemoryDependenceResults::getNonLocalCallDependency(), and llvm::MemoryDependenceResults::getSimplePointerDependencyFrom().

getNonLocal()

static MemDepResult llvm::MemDepResult::getNonLocal ( )

inlinestatic

Definition at line 131 of file MemoryDependenceAnalysis.h.

References MemDepResult().

Referenced by llvm::MemoryDependenceResults::getDependency(), llvm::MemoryDependenceResults::getInvariantGroupPointerDependency(), llvm::MemoryDependenceResults::getNonLocalCallDependency(), and llvm::MemoryDependenceResults::getSimplePointerDependencyFrom().

getUnknown()

static MemDepResult llvm::MemDepResult::getUnknown ( )

inlinestatic

Definition at line 137 of file MemoryDependenceAnalysis.h.

References MemDepResult().

Referenced by llvm::MemoryDependenceResults::getDependency(), llvm::MemoryDependenceResults::getInvariantGroupPointerDependency(), llvm::MemoryDependenceResults::getNonLocalPointerDependency(), llvm::MemoryDependenceResults::getPointerDependencyFrom(), and llvm::MemoryDependenceResults::getSimplePointerDependencyFrom().

isClobber()

bool llvm::MemDepResult::isClobber ( ) const

inline

Tests if this MemDepResult represents a query that is an instruction clobber dependency.

Definition at line 143 of file MemoryDependenceAnalysis.h.

Referenced by isLocal().

isDef()

bool llvm::MemDepResult::isDef ( ) const

inline

Tests if this MemDepResult represents a query that is an instruction definition dependency.

Definition at line 147 of file MemoryDependenceAnalysis.h.

Referenced by llvm::MemoryDependenceResults::getPointerDependencyFrom(), and isLocal().

isLocal()

bool llvm::MemDepResult::isLocal ( ) const

inline

Tests if this MemDepResult represents a valid local query (Clobber/Def).

Definition at line 150 of file MemoryDependenceAnalysis.h.

References isClobber(), and isDef().

isNonFuncLocal()

bool llvm::MemDepResult::isNonFuncLocal ( ) const

inline

Tests if this MemDepResult represents a query that is transparent to the start of the function.

Definition at line 160 of file MemoryDependenceAnalysis.h.

isNonLocal()

bool llvm::MemDepResult::isNonLocal ( ) const

inline

Tests if this MemDepResult represents a query that is transparent to the start of the block, but where a non-local hasn't been done.

Definition at line 154 of file MemoryDependenceAnalysis.h.

Referenced by llvm::MemoryDependenceResults::getNonLocalCallDependency(), and llvm::MemoryDependenceResults::getPointerDependencyFrom().

isUnknown()

bool llvm::MemDepResult::isUnknown ( ) const

inline

Tests if this MemDepResult represents a query which cannot and/or will not be computed.

Definition at line 166 of file MemoryDependenceAnalysis.h.

Referenced by llvm::MemoryDependenceResults::getPointerDependencyFrom().

operator!=()

bool llvm::MemDepResult::operator!= ( const MemDepResult &  M ) const

inline

Definition at line 187 of file MemoryDependenceAnalysis.h.

operator<()

bool llvm::MemDepResult::operator< ( const MemDepResult &  M ) const

inline

Definition at line 188 of file MemoryDependenceAnalysis.h.

operator==()

bool llvm::MemDepResult::operator== ( const MemDepResult &  M ) const

inline

Definition at line 186 of file MemoryDependenceAnalysis.h.

operator>()

bool llvm::MemDepResult::operator> ( const MemDepResult &  M ) const

inline

Definition at line 189 of file MemoryDependenceAnalysis.h.

Friends And Related Function Documentation

MemoryDependenceResults

friend class MemoryDependenceResults

friend

Definition at line 192 of file MemoryDependenceAnalysis.h.

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

• include/llvm/Analysis/MemoryDependenceAnalysis.h