LLVM  10.0.0svn
Public Member Functions | List of all members
AANonNullImpl Struct Reference

---------------------— NonNull Argument Attribute ---------------------— More...

Inheritance diagram for AANonNullImpl:
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Collaboration diagram for AANonNullImpl:
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Public Member Functions

 AANonNullImpl (const IRPosition &IRP)
 
void initialize (Attributor &A) override
 See AbstractAttribute::initialize(...). More...
 
const std::string getAsStr () const override
 See AbstractAttribute::getAsStr(). More...
 
- Public Member Functions inherited from llvm::AANonNull
 AANonNull (const IRPosition &IRP)
 
bool isAssumedNonNull () const
 Return true if we assume that the underlying value is nonnull. More...
 
bool isKnownNonNull () const
 Return true if we know that underlying value is nonnull. More...
 
- Public Member Functions inherited from llvm::IRAttribute< Attribute::NonNull, StateWrapper< BooleanState, AbstractAttribute > >
 IRAttribute (const IRPosition &IRP)
 
 ~IRAttribute ()
 
ChangeStatus manifest (Attributor &A) override
 See AbstractAttribute::manifest(...). More...
 
Attribute::AttrKind getAttrKind () const
 Return the kind that identifies the abstract attribute implementation. More...
 
virtual void getDeducedAttributes (LLVMContext &Ctx, SmallVectorImpl< Attribute > &Attrs) const
 Return the deduced attributes in Attrs. More...
 
IRPositiongetIRPosition () override
 Return an IR position, see struct IRPosition. More...
 
const IRPositiongetIRPosition () const override
 
- Public Member Functions inherited from llvm::IRPosition
virtual ~IRPosition ()
 
 IRPosition ()
 Default constructor available to create invalid positions implicitly. More...
 
bool operator== (const IRPosition &RHS) const
 
bool operator!= (const IRPosition &RHS) const
 
ValuegetAnchorValue ()
 Return the value this abstract attribute is anchored with. More...
 
const ValuegetAnchorValue () const
 
FunctiongetAssociatedFunction ()
 } More...
 
const FunctiongetAssociatedFunction () const
 
ArgumentgetAssociatedArgument ()
 } More...
 
const ArgumentgetAssociatedArgument () const
 
bool isFnInterfaceKind () const
 } More...
 
FunctiongetAnchorScope ()
 Return the Function surrounding the anchor value. More...
 
const FunctiongetAnchorScope () const
 
InstructiongetCtxI ()
 } More...
 
const InstructiongetCtxI () const
 
ValuegetAssociatedValue ()
 } More...
 
const ValuegetAssociatedValue () const
 
int getArgNo () const
 } More...
 
unsigned getAttrIdx () const
 Return the index in the attribute list for this position. More...
 
Kind getPositionKind () const
 Return the associated position kind. More...
 
bool hasAttr (ArrayRef< Attribute::AttrKind > AKs) const
 TODO: Figure out if the attribute related helper functions should live here or somewhere else. More...
 
void getAttrs (ArrayRef< Attribute::AttrKind > AKs, SmallVectorImpl< Attribute > &Attrs) const
 Return the attributes of any kind in AKs existing in the IR at a position that will affect this one. More...
 
Attribute getAttr (Attribute::AttrKind AK) const
 Return the attribute of kind AK existing in the IR at this position. More...
 
bool isAnyCallSitePosition () const
 
- Public Member Functions inherited from llvm::StateWrapper< BooleanState, AbstractAttribute >
StateTypegetState () override
 See AbstractAttribute::getState(...). More...
 
const AbstractStategetState () const override
 See AbstractAttribute::getState(...). More...
 
- Public Member Functions inherited from llvm::BooleanState
 BooleanState ()
 
- Public Member Functions inherited from llvm::IntegerState
 IntegerState (base_t BestState=~0)
 Initialize the (best) state. More...
 
bool isValidState () const override
 See AbstractState::isValidState() NOTE: For now we simply pretend that the worst possible state is invalid. More...
 
bool isAtFixpoint () const override
 See AbstractState::isAtFixpoint() More...
 
ChangeStatus indicateOptimisticFixpoint () override
 See AbstractState::indicateOptimisticFixpoint(...) More...
 
ChangeStatus indicatePessimisticFixpoint () override
 See AbstractState::indicatePessimisticFixpoint(...) More...
 
base_t getKnown () const
 Return the known state encoding. More...
 
base_t getAssumed () const
 Return the assumed state encoding. More...
 
bool isKnown (base_t BitsEncoding) const
 Return true if the bits set in BitsEncoding are "known bits". More...
 
bool isAssumed (base_t BitsEncoding) const
 Return true if the bits set in BitsEncoding are "assumed bits". More...
 
IntegerStateaddKnownBits (base_t Bits)
 Add the bits in BitsEncoding to the "known bits". More...
 
IntegerStateremoveAssumedBits (base_t BitsEncoding)
 Remove the bits in BitsEncoding from the "assumed bits" if not known. More...
 
IntegerStateintersectAssumedBits (base_t BitsEncoding)
 Keep only "assumed bits" also set in BitsEncoding but all known ones. More...
 
IntegerStatetakeAssumedMinimum (base_t Value)
 Take minimum of assumed and Value. More...
 
IntegerStatetakeKnownMaximum (base_t Value)
 Take maximum of known and Value. More...
 
bool operator== (const IntegerState &R) const
 Equality for IntegerState. More...
 
bool operator!= (const IntegerState &R) const
 Inequality for IntegerState. More...
 
IntegerState operator^= (const IntegerState &R)
 "Clamp" this state with R. More...
 
IntegerState operator+= (const IntegerState &R)
 "Clamp" this state with R. More...
 
IntegerState operator &= (const IntegerState &R)
 Make this the minimum, known and assumed, of this state and R. More...
 
IntegerState operator|= (const IntegerState &R)
 Make this the maximum, known and assumed, of this state and R. More...
 
- Public Member Functions inherited from llvm::AbstractState
virtual ~AbstractState ()
 
- Public Member Functions inherited from llvm::AbstractAttribute
virtual ~AbstractAttribute ()
 Virtual destructor. More...
 
virtual void print (raw_ostream &OS) const
 Helper functions, for debug purposes only. More...
 
void dump () const
 

Additional Inherited Members

- Public Types inherited from llvm::IRPosition
enum  Kind : int {
  IRP_INVALID = -6, IRP_FLOAT = -5, IRP_RETURNED = -4, IRP_CALL_SITE_RETURNED = -3,
  IRP_FUNCTION = -2, IRP_CALL_SITE = -1, IRP_ARGUMENT = 0, IRP_CALL_SITE_ARGUMENT = 1
}
 The positions we distinguish in the IR. More...
 
- Public Types inherited from llvm::StateWrapper< BooleanState, AbstractAttribute >
using StateType = BooleanState
 Provide static access to the type of the state. More...
 
- Public Types inherited from llvm::IntegerState
using base_t = uint32_t
 Underlying integer type, we assume 32 bits to be enough. More...
 
- Public Types inherited from llvm::AbstractAttribute
using StateType = AbstractState
 
- Static Public Member Functions inherited from llvm::AANonNull
static AANonNullcreateForPosition (const IRPosition &IRP, Attributor &A)
 Create an abstract attribute view for the position IRP. More...
 
- Static Public Member Functions inherited from llvm::IRPosition
static const IRPosition value (const Value &V)
 Create a position describing the value of V. More...
 
static const IRPosition function (const Function &F)
 Create a position describing the function scope of F. More...
 
static const IRPosition returned (const Function &F)
 Create a position describing the returned value of F. More...
 
static const IRPosition argument (const Argument &Arg)
 Create a position describing the argument Arg. More...
 
static const IRPosition callsite_function (const CallBase &CB)
 Create a position describing the function scope of CB. More...
 
static const IRPosition callsite_returned (const CallBase &CB)
 Create a position describing the returned value of CB. More...
 
static const IRPosition callsite_argument (const CallBase &CB, unsigned ArgNo)
 Create a position describing the argument of CB at position ArgNo. More...
 
static const IRPosition callsite_function (ImmutableCallSite ICS)
 Create a position describing the function scope of ICS. More...
 
static const IRPosition callsite_returned (ImmutableCallSite ICS)
 Create a position describing the returned value of ICS. More...
 
static const IRPosition callsite_argument (ImmutableCallSite ICS, unsigned ArgNo)
 Create a position describing the argument of ICS at position ArgNo. More...
 
static const IRPosition function_scope (const IRPosition &IRP)
 Create a position with function scope matching the "context" of IRP. More...
 
- Static Public Member Functions inherited from llvm::IntegerState
static constexpr base_t getWorstState ()
 Return the worst possible representable state. More...
 
- Static Public Attributes inherited from llvm::AANonNull
static const char ID = 0
 Unique ID (due to the unique address) More...
 
- Static Public Attributes inherited from llvm::IRPosition
static const IRPosition EmptyKey
 Special DenseMap key values. More...
 
static const IRPosition TombstoneKey
 
- Protected Member Functions inherited from llvm::AbstractAttribute
ChangeStatus update (Attributor &A)
 Hook for the Attributor to trigger an update of the internal state. More...
 
virtual void trackStatistics () const =0
 Hook to enable custom statistic tracking, called after manifest that resulted in a change if statistics are enabled. More...
 
virtual ChangeStatus updateImpl (Attributor &A)=0
 The actual update/transfer function which has to be implemented by the derived classes. More...
 

Detailed Description

---------------------— NonNull Argument Attribute ---------------------—

Definition at line 1409 of file Attributor.cpp.

Constructor & Destructor Documentation

◆ AANonNullImpl()

AANonNullImpl::AANonNullImpl ( const IRPosition IRP)
inline

Definition at line 1410 of file Attributor.cpp.

Member Function Documentation

◆ getAsStr()

const std::string AANonNullImpl::getAsStr ( ) const
inlineoverridevirtual

See AbstractAttribute::getAsStr().

Implements llvm::AbstractAttribute.

Definition at line 1421 of file Attributor.cpp.

◆ initialize()

void AANonNullImpl::initialize ( Attributor A)
inlineoverridevirtual

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