LLVM 19.0.0git
Public Types | Public Member Functions | Static Public Member Functions | Static Public Attributes | List of all members
llvm::AANoFPClass Struct Reference

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

Inheritance diagram for llvm::AANoFPClass:
Inheritance graph
[legend]

Public Types

using Base = StateWrapper< BitIntegerState< uint32_t, fcAllFlags, fcNone >, AbstractAttribute >
 
- Public Types inherited from llvm::StateWrapper< BitIntegerState< uint32_t, fcAllFlags, fcNone >, AbstractAttribute >
using StateType = BitIntegerState< uint32_t, fcAllFlags, fcNone >
 Provide static access to the type of the state.
 
- 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...
 
using CallBaseContext = CallBase
 
- Public Types inherited from llvm::AADepGraphNode
using DepTy = PointerIntPair< AADepGraphNode *, 1 >
 
using DepSetTy = SmallSetVector< DepTy, 2 >
 
using iterator = mapped_iterator< DepSetTy::iterator, decltype(&DepGetVal)>
 
using aaiterator = mapped_iterator< DepSetTy::iterator, decltype(&DepGetValAA)>
 
- Public Types inherited from llvm::BitIntegerState< uint32_t, fcAllFlags, fcNone >
using super = IntegerStateBase< uint32_t, BestState, WorstState >
 
using base_t = uint32_t
 
- Public Types inherited from llvm::IntegerStateBase< base_ty, BestState, WorstState >
using base_t = base_ty
 

Public Member Functions

 AANoFPClass (const IRPosition &IRP, Attributor &A)
 
FPClassTest getAssumedNoFPClass () const
 Return the underlying assumed nofpclass.
 
FPClassTest getKnownNoFPClass () const
 Return the underlying known nofpclass.
 
const std::string getName () const override
 See AbstractAttribute::getName()
 
const chargetIdAddr () const override
 See AbstractAttribute::getIdAddr()
 
- Public Member Functions inherited from llvm::IRAttribute< Attribute::NoFPClass, StateWrapper< BitIntegerState< uint32_t, fcAllFlags, fcNone >, AbstractAttribute >, AANoFPClass >
 IRAttribute (const IRPosition &IRP)
 
ChangeStatus manifest (Attributor &A) override
 See AbstractAttribute::manifest(...).
 
Attribute::AttrKind getAttrKind () const
 Return the kind that identifies the abstract attribute implementation.
 
virtual void getDeducedAttributes (Attributor &A, LLVMContext &Ctx, SmallVectorImpl< Attribute > &Attrs) const
 Return the deduced attributes in Attrs.
 
- Public Member Functions inherited from llvm::StateWrapper< BitIntegerState< uint32_t, fcAllFlags, fcNone >, AbstractAttribute >
 StateWrapper (const IRPosition &IRP, Ts... Args)
 
StateTypegetState () override
 See AbstractAttribute::getState(...).
 
const StateTypegetState () const override
 See AbstractAttribute::getState(...).
 
- Public Member Functions inherited from llvm::AbstractAttribute
 AbstractAttribute (const IRPosition &IRP)
 
virtual ~AbstractAttribute ()=default
 Virtual destructor.
 
virtual void initialize (Attributor &A)
 Initialize the state with the information in the Attributor A.
 
virtual bool isQueryAA () const
 A query AA is always scheduled as long as we do updates because it does lazy computation that cannot be determined to be done from the outside.
 
virtual StateTypegetState ()=0
 Return the internal abstract state for inspection.
 
virtual const StateTypegetState () const =0
 
const IRPositiongetIRPosition () const
 Return an IR position, see struct IRPosition.
 
IRPositiongetIRPosition ()
 
void print (raw_ostream &OS) const
 Helper functions, for debug purposes only.
 
void print (Attributor *, raw_ostream &OS) const override
 
virtual void printWithDeps (raw_ostream &OS) const
 
void dump () const
 
virtual const std::string getAsStr (Attributor *A) const =0
 This function should return the "summarized" assumed state as string.
 
virtual const std::string getName () const =0
 This function should return the name of the AbstractAttribute.
 
virtual const chargetIdAddr () const =0
 This function should return the address of the ID of the AbstractAttribute.
 
- Public Member Functions inherited from llvm::IRPosition
 IRPosition ()
 Default constructor available to create invalid positions implicitly.
 
bool operator== (const IRPosition &RHS) const
 
bool operator!= (const IRPosition &RHS) const
 
ValuegetAnchorValue () const
 Return the value this abstract attribute is anchored with.
 
FunctiongetAssociatedFunction () const
 Return the associated function, if any.
 
ArgumentgetAssociatedArgument () const
 Return the associated argument, if any.
 
bool isFnInterfaceKind () const
 Return true if the position refers to a function interface, that is the function scope, the function return, or an argument.
 
bool isFunctionScope () const
 Return true if this is a function or call site position.
 
FunctiongetAnchorScope () const
 Return the Function surrounding the anchor value.
 
InstructiongetCtxI () const
 Return the context instruction, if any.
 
ValuegetAssociatedValue () const
 Return the value this abstract attribute is associated with.
 
TypegetAssociatedType () const
 Return the type this abstract attribute is associated with.
 
int getCalleeArgNo () const
 Return the callee argument number of the associated value if it is an argument or call site argument, otherwise a negative value.
 
int getCallSiteArgNo () const
 Return the call site argument number of the associated value if it is an argument or call site argument, otherwise a negative value.
 
unsigned getAttrIdx () const
 Return the index in the attribute list for this position.
 
ValuegetAttrListAnchor () const
 Return the value attributes are attached to.
 
AttributeList getAttrList () const
 Return the attributes associated with this function or call site scope.
 
void setAttrList (const AttributeList &AttrList) const
 Update the attributes associated with this function or call site scope.
 
unsigned getNumArgs () const
 Return the number of arguments associated with this function or call site scope.
 
ValuegetArg (unsigned ArgNo) const
 Return theargument ArgNo associated with this function or call site scope.
 
Kind getPositionKind () const
 Return the associated position kind.
 
bool isAnyCallSitePosition () const
 
bool isArgumentPosition () const
 Return true if the position is an argument or call site argument.
 
IRPosition stripCallBaseContext () const
 Return the same position without the call base context.
 
const CallBaseContextgetCallBaseContext () const
 Get the call base context from the position.
 
bool hasCallBaseContext () const
 Check if the position has any call base context.
 
 operator void * () const
 }
 
- Public Member Functions inherited from llvm::AADepGraphNode
virtual ~AADepGraphNode ()=default
 
aaiterator begin ()
 
aaiterator end ()
 
iterator child_begin ()
 
iterator child_end ()
 
void print (raw_ostream &OS) const
 
virtual void print (Attributor *, raw_ostream &OS) const
 
DepSetTygetDeps ()
 
- Public Member Functions inherited from llvm::BitIntegerState< uint32_t, fcAllFlags, fcNone >
 BitIntegerState ()=default
 
 BitIntegerState (base_t Assumed)
 
bool isKnown (base_t BitsEncoding=BestState) const
 Return true if the bits set in BitsEncoding are "known bits".
 
bool isAssumed (base_t BitsEncoding=BestState) const
 Return true if the bits set in BitsEncoding are "assumed bits".
 
BitIntegerStateaddKnownBits (base_t Bits)
 Add the bits in BitsEncoding to the "known bits".
 
BitIntegerStateremoveAssumedBits (base_t BitsEncoding)
 Remove the bits in BitsEncoding from the "assumed bits" if not known.
 
BitIntegerStateremoveKnownBits (base_t BitsEncoding)
 Remove the bits in BitsEncoding from the "known bits".
 
BitIntegerStateintersectAssumedBits (base_t BitsEncoding)
 Keep only "assumed bits" also set in BitsEncoding but all known ones.
 
- Public Member Functions inherited from llvm::IntegerStateBase< base_ty, BestState, WorstState >
 IntegerStateBase ()=default
 
 IntegerStateBase (base_t Assumed)
 
bool isValidState () const override
 See AbstractState::isValidState() NOTE: For now we simply pretend that the worst possible state is invalid.
 
bool isAtFixpoint () const override
 See AbstractState::isAtFixpoint()
 
ChangeStatus indicateOptimisticFixpoint () override
 See AbstractState::indicateOptimisticFixpoint(...)
 
ChangeStatus indicatePessimisticFixpoint () override
 See AbstractState::indicatePessimisticFixpoint(...)
 
base_t getKnown () const
 Return the known state encoding.
 
base_t getAssumed () const
 Return the assumed state encoding.
 
bool operator== (const IntegerStateBase< base_t, BestState, WorstState > &R) const
 Equality for IntegerStateBase.
 
bool operator!= (const IntegerStateBase< base_t, BestState, WorstState > &R) const
 Inequality for IntegerStateBase.
 
void operator^= (const IntegerStateBase< base_t, BestState, WorstState > &R)
 "Clamp" this state with R.
 
void operator+= (const IntegerStateBase< base_t, BestState, WorstState > &R)
 "Clamp" this state with R.
 
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 ()=default
 
virtual bool isValidState () const =0
 Return if this abstract state is in a valid state.
 
virtual bool isAtFixpoint () const =0
 Return if this abstract state is fixed, thus does not need to be updated if information changes as it cannot change itself.
 
virtual ChangeStatus indicateOptimisticFixpoint ()=0
 Indicate that the abstract state should converge to the optimistic state.
 
virtual ChangeStatus indicatePessimisticFixpoint ()=0
 Indicate that the abstract state should converge to the pessimistic state.
 

Static Public Member Functions

static bool isValidIRPositionForInit (Attributor &A, const IRPosition &IRP)
 See AbstractAttribute::isValidIRPositionForInit.
 
static AANoFPClasscreateForPosition (const IRPosition &IRP, Attributor &A)
 Create an abstract attribute view for the position IRP.
 
static bool classof (const AbstractAttribute *AA)
 This function should return true if the type of the AA is AANoFPClass.
 
- Static Public Member Functions inherited from llvm::IRAttribute< Attribute::NoFPClass, StateWrapper< BitIntegerState< uint32_t, fcAllFlags, fcNone >, AbstractAttribute >, AANoFPClass >
static bool hasTrivialInitializer ()
 Most boolean IRAttribute AAs don't do anything non-trivial in their initializers while non-boolean ones often do.
 
static bool isImpliedByUndef ()
 Return true if the IR attribute(s) associated with this AA are implied for an undef value.
 
static bool isImpliedByPoison ()
 Return true if the IR attribute(s) associated with this AA are implied for an poison value.
 
static bool isImpliedByIR (Attributor &A, const IRPosition &IRP, Attribute::AttrKind ImpliedAttributeKind=AK, bool IgnoreSubsumingPositions=false)
 
- Static Public Member Functions inherited from llvm::AbstractAttribute
static bool classof (const AADepGraphNode *DGN)
 This function is used to identify if an DGN is of type AbstractAttribute so that the dyn_cast and cast can use such information to cast an AADepGraphNode to an AbstractAttribute.
 
static bool hasTrivialInitializer ()
 Return false if this AA does anything non-trivial (hence not done by default) in its initializer.
 
static bool requiresCalleeForCallBase ()
 Return true if this AA requires a "callee" (or an associted function) for a call site positon.
 
static bool requiresNonAsmForCallBase ()
 Return true if this AA requires non-asm "callee" for a call site positon.
 
static bool requiresCallersForArgOrFunction ()
 Return true if this AA requires all callees for an argument or function positon.
 
static bool isValidIRPositionForInit (Attributor &A, const IRPosition &IRP)
 Return false if an AA should not be created for IRP.
 
static bool isValidIRPositionForUpdate (Attributor &A, const IRPosition &IRP)
 Return false if an AA should not be updated for IRP.
 
- Static Public Member Functions inherited from llvm::IRPosition
static const IRPosition value (const Value &V, const CallBaseContext *CBContext=nullptr)
 Create a position describing the value of V.
 
static const IRPosition inst (const Instruction &I, const CallBaseContext *CBContext=nullptr)
 Create a position describing the instruction I.
 
static const IRPosition function (const Function &F, const CallBaseContext *CBContext=nullptr)
 Create a position describing the function scope of F.
 
static const IRPosition returned (const Function &F, const CallBaseContext *CBContext=nullptr)
 Create a position describing the returned value of F.
 
static const IRPosition argument (const Argument &Arg, const CallBaseContext *CBContext=nullptr)
 Create a position describing the argument Arg.
 
static const IRPosition callsite_function (const CallBase &CB)
 Create a position describing the function scope of CB.
 
static const IRPosition callsite_returned (const CallBase &CB)
 Create a position describing the returned value of CB.
 
static const IRPosition callsite_argument (const CallBase &CB, unsigned ArgNo)
 Create a position describing the argument of CB at position ArgNo.
 
static const IRPosition callsite_argument (AbstractCallSite ACS, unsigned ArgNo)
 Create a position describing the argument of ACS at position ArgNo.
 
static const IRPosition function_scope (const IRPosition &IRP, const CallBaseContext *CBContext=nullptr)
 Create a position with function scope matching the "context" of IRP.
 
- Static Public Member Functions inherited from llvm::IntegerStateBase< base_ty, BestState, WorstState >
static constexpr base_t getBestState ()
 Return the best possible representable state.
 
static constexpr base_t getBestState (const IntegerStateBase &)
 
static constexpr base_t getWorstState ()
 Return the worst possible representable state.
 
static constexpr base_t getWorstState (const IntegerStateBase &)
 

Static Public Attributes

static const char ID = 0
 Unique ID (due to the unique address)
 
- Static Public Attributes inherited from llvm::IRAttribute< Attribute::NoFPClass, StateWrapper< BitIntegerState< uint32_t, fcAllFlags, fcNone >, AbstractAttribute >, AANoFPClass >
static constexpr Attribute::AttrKind IRAttributeKind
 Compile time access to the IR attribute kind.
 
- Static Public Attributes inherited from llvm::AbstractAttribute
static constexpr Attribute::AttrKind IRAttributeKind = Attribute::None
 Compile time access to the IR attribute kind.
 
- Static Public Attributes inherited from llvm::IRPosition
static const IRPosition EmptyKey
 Special DenseMap key values.
 
static const IRPosition TombstoneKey
 

Additional Inherited Members

- Protected Member Functions inherited from llvm::AbstractAttribute
ChangeStatus update (Attributor &A)
 Hook for the Attributor to trigger an update of the internal state.
 
virtual ChangeStatus manifest (Attributor &A)
 Hook for the Attributor to trigger the manifestation of the information represented by the abstract attribute in the LLVM-IR.
 
virtual void trackStatistics () const =0
 Hook to enable custom statistic tracking, called after manifest that resulted in a change if statistics are enabled.
 
virtual ChangeStatus updateImpl (Attributor &A)=0
 The actual update/transfer function which has to be implemented by the derived classes.
 
- Protected Member Functions inherited from llvm::AADepGraphNode
 operator AbstractAttribute * ()
 
- Protected Member Functions inherited from llvm::IntegerStateBase< base_ty, BestState, WorstState >
virtual void handleNewAssumedValue (base_t Value)=0
 Handle a new assumed value Value. Subtype dependent.
 
virtual void handleNewKnownValue (base_t Value)=0
 Handle a new known value Value. Subtype dependent.
 
virtual void joinOR (base_t AssumedValue, base_t KnownValue)=0
 Handle a value Value. Subtype dependent.
 
virtual void joinAND (base_t AssumedValue, base_t KnownValue)=0
 Handle a new assumed value Value. Subtype dependent.
 
- Static Protected Member Functions inherited from llvm::AADepGraphNode
static AADepGraphNodeDepGetVal (const DepTy &DT)
 
static AbstractAttributeDepGetValAA (const DepTy &DT)
 
- Protected Attributes inherited from llvm::AADepGraphNode
DepSetTy Deps
 Set of dependency graph nodes which should be updated if this one is updated.
 
- Protected Attributes inherited from llvm::IntegerStateBase< base_ty, BestState, WorstState >
base_t Known = getWorstState()
 The known state encoding in an integer of type base_t.
 
base_t Assumed = getBestState()
 The assumed state encoding in an integer of type base_t.
 

Detailed Description

Definition at line 5391 of file Attributor.h.

Member Typedef Documentation

◆ Base

Definition at line 5397 of file Attributor.h.

Constructor & Destructor Documentation

◆ AANoFPClass()

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

Definition at line 5400 of file Attributor.h.

Member Function Documentation

◆ classof()

static bool llvm::AANoFPClass::classof ( const AbstractAttribute AA)
inlinestatic

This function should return true if the type of the AA is AANoFPClass.

Definition at line 5434 of file Attributor.h.

References llvm::AbstractAttribute::getIdAddr().

◆ createForPosition()

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

Create an abstract attribute view for the position IRP.

◆ getAssumedNoFPClass()

FPClassTest llvm::AANoFPClass::getAssumedNoFPClass ( ) const
inline

Return the underlying assumed nofpclass.

Definition at line 5416 of file Attributor.h.

References llvm::IntegerStateBase< base_ty, BestState, WorstState >::getAssumed().

◆ getIdAddr()

const char * llvm::AANoFPClass::getIdAddr ( ) const
inlineoverridevirtual

See AbstractAttribute::getIdAddr()

Implements llvm::AbstractAttribute.

Definition at line 5431 of file Attributor.h.

References ID.

◆ getKnownNoFPClass()

FPClassTest llvm::AANoFPClass::getKnownNoFPClass ( ) const
inline

Return the underlying known nofpclass.

Definition at line 5420 of file Attributor.h.

References llvm::IntegerStateBase< base_ty, BestState, WorstState >::getKnown().

◆ getName()

const std::string llvm::AANoFPClass::getName ( ) const
inlineoverridevirtual

See AbstractAttribute::getName()

Implements llvm::AbstractAttribute.

Definition at line 5428 of file Attributor.h.

◆ isValidIRPositionForInit()

static bool llvm::AANoFPClass::isValidIRPositionForInit ( Attributor A,
const IRPosition IRP 
)
inlinestatic

Member Data Documentation

◆ ID

const char AANoFPClass::ID = 0
static

Unique ID (due to the unique address)

Definition at line 5439 of file Attributor.h.

Referenced by getIdAddr(), and runAttributorLightOnFunctions().


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