LLVM  11.0.0git
Public Member Functions | Static Public Member Functions | Static Public Attributes | List of all members
llvm::AANoUnwind Struct Reference

#include "llvm/Transforms/IPO/Attributor.h"

Inheritance diagram for llvm::AANoUnwind:
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Collaboration diagram for llvm::AANoUnwind:
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Public Member Functions

 AANoUnwind (const IRPosition &IRP, Attributor &A)
 
bool isAssumedNoUnwind () const
 Returns true if nounwind is assumed. More...
 
bool isKnownNoUnwind () const
 Returns true if nounwind is known. More...
 
- Public Member Functions inherited from llvm::IRAttribute< Attribute::NoUnwind, StateWrapper< BooleanState, AbstractAttribute > >
 IRAttribute (const IRPosition &IRP)
 
virtual void initialize (Attributor &A) override
 See AbstractAttribute::initialize(...). More...
 
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...
 
- Public Member Functions inherited from llvm::StateWrapper< BooleanState, AbstractAttribute >
 StateWrapper (const IRPosition &IRP, Ts... Args)
 
StateTypegetState () override
 See AbstractAttribute::getState(...). More...
 
const AbstractStategetState () const override
 See AbstractAttribute::getState(...). More...
 
- Public Member Functions inherited from llvm::AbstractAttribute
 AbstractAttribute (const IRPosition &IRP)
 
virtual ~AbstractAttribute ()
 Virtual destructor. More...
 
const IRPositiongetIRPosition () const
 Return an IR position, see struct IRPosition. More...
 
IRPositiongetIRPosition ()
 
virtual void print (raw_ostream &OS) const
 Helper functions, for debug purposes only. More...
 
void dump () const
 
virtual const std::string getAsStr () const =0
 This function should return the "summarized" assumed state as string. More...
 
- Public Member Functions inherited from llvm::IRPosition
 IRPosition ()
 Default constructor available to create invalid positions implicitly. More...
 
bool operator== (const IRPosition &RHS) const
 
bool operator!= (const IRPosition &RHS) const
 
ValuegetAnchorValue () const
 Return the value this abstract attribute is anchored with. More...
 
FunctiongetAssociatedFunction () const
 Return the associated function, if any. More...
 
ArgumentgetAssociatedArgument () const
 Return the associated argument, if any. More...
 
bool isFnInterfaceKind () const
 Return true if the position refers to a function interface, that is the function scope, the function return, or an argument. More...
 
FunctiongetAnchorScope () const
 Return the Function surrounding the anchor value. More...
 
InstructiongetCtxI () const
 Return the context instruction, if any. More...
 
ValuegetAssociatedValue () const
 Return the value this abstract attribute is associated with. More...
 
TypegetAssociatedType () const
 Return the type this abstract attribute is associated with. More...
 
int getArgNo () const
 Return the argument number of the associated value if it is an argument or call site argument, otherwise a negative value. 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, bool IgnoreSubsumingPositions=false, Attributor *A=nullptr) 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, bool IgnoreSubsumingPositions=false, Attributor *A=nullptr) const
 Return the attributes of any kind in AKs existing in the IR at a position that will affect this one. More...
 
void removeAttrs (ArrayRef< Attribute::AttrKind > AKs) const
 Remove the attribute of kind AKs existing in the IR at this position. More...
 
bool isAnyCallSitePosition () const
 
 operator void * () const
 } More...
 
- Public Member Functions inherited from llvm::BooleanState
 BooleanState ()
 
 BooleanState (base_t Assumed)
 
void setAssumed (bool Value)
 Set the assumed value to Value but never below the known one. More...
 
void setKnown (bool Value)
 Set the known and asssumed value to Value. More...
 
bool isAssumed () const
 Return true if the state is assumed to hold. More...
 
bool isKnown () const
 Return true if the state is known to hold. More...
 
- Public Member Functions inherited from llvm::IntegerStateBase< bool, 1, 0 >
 IntegerStateBase ()
 
 IntegerStateBase (base_t Assumed)
 
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 operator== (const IntegerStateBase< base_t, BestState, WorstState > &R) const
 Equality for IntegerStateBase. More...
 
bool operator!= (const IntegerStateBase< base_t, BestState, WorstState > &R) const
 Inequality for IntegerStateBase. More...
 
void operator^= (const IntegerStateBase< base_t, BestState, WorstState > &R)
 "Clamp" this state with R. More...
 
void operator+= (const IntegerStateBase< base_t, BestState, WorstState > &R)
 "Clamp" this state with R. More...
 
void operator|= (const IntegerStateBase< base_t, BestState, WorstState > &R)
 
void operator&= (const IntegerStateBase< base_t, BestState, WorstState > &R)
 
- Public Member Functions inherited from llvm::AbstractState
virtual ~AbstractState ()
 

Static Public Member Functions

static AANoUnwindcreateForPosition (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_argument (AbstractCallSite ACS, unsigned ArgNo)
 Create a position describing the argument of ACS 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::IntegerStateBase< bool, 1, 0 >
static constexpr base_t getBestState ()
 Return the best possible representable state. More...
 
static constexpr base_t getBestState (const IntegerStateBase &)
 
static constexpr base_t getWorstState ()
 Return the worst possible representable state. More...
 
static constexpr base_t getWorstState (const IntegerStateBase &)
 

Static Public Attributes

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
 

Additional Inherited Members

- 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::AbstractAttribute
using StateType = AbstractState
 
- Public Types inherited from llvm::IRPosition
enum  Kind : char {
  IRP_INVALID, IRP_FLOAT, IRP_RETURNED, IRP_CALL_SITE_RETURNED,
  IRP_FUNCTION, IRP_CALL_SITE, IRP_ARGUMENT, IRP_CALL_SITE_ARGUMENT
}
 The positions we distinguish in the IR. More...
 
- Public Types inherited from llvm::BooleanState
using super = IntegerStateBase< bool, 1, 0 >
 
using base_t = IntegerStateBase::base_t
 
- Public Types inherited from llvm::IntegerStateBase< bool, 1, 0 >
using base_t = bool
 
- 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...
 
- Protected Member Functions inherited from llvm::IntegerStateBase< bool, 1, 0 >
virtual void handleNewAssumedValue (base_t Value)=0
 Handle a new assumed value Value. Subtype dependent. More...
 
virtual void handleNewKnownValue (base_t Value)=0
 Handle a new known value Value. Subtype dependent. More...
 
virtual void joinOR (base_t AssumedValue, base_t KnownValue)=0
 Handle a value Value. Subtype dependent. More...
 
virtual void joinAND (base_t AssumedValue, base_t KnownValue)=0
 Handle a new assumed value Value. Subtype dependent. More...
 
- Protected Attributes inherited from llvm::IntegerStateBase< bool, 1, 0 >
base_t Known
 The known state encoding in an integer of type base_t. More...
 
base_t Assumed
 The assumed state encoding in an integer of type base_t. More...
 

Detailed Description

Definition at line 2135 of file Attributor.h.

Constructor & Destructor Documentation

◆ AANoUnwind()

llvm::AANoUnwind::AANoUnwind ( const IRPosition IRP,
Attributor A 
)
inline

Definition at line 2138 of file Attributor.h.

Member Function Documentation

◆ createForPosition()

static AANoUnwind& llvm::AANoUnwind::createForPosition ( const IRPosition IRP,
Attributor A 
)
static

Create an abstract attribute view for the position IRP.

◆ isAssumedNoUnwind()

bool llvm::AANoUnwind::isAssumedNoUnwind ( ) const
inline

Returns true if nounwind is assumed.

Definition at line 2141 of file Attributor.h.

◆ isKnownNoUnwind()

bool llvm::AANoUnwind::isKnownNoUnwind ( ) const
inline

Returns true if nounwind is known.

Definition at line 2144 of file Attributor.h.

Member Data Documentation

◆ ID

const char AANoUnwind::ID = 0
static

Unique ID (due to the unique address)

Definition at line 2150 of file Attributor.h.

Referenced by llvm::AAMemoryLocation::getMemoryLocationsAsStr().


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