LLVM 22.0.0git
llvm::IncIntegerState< base_ty, BestState, WorstState > Struct Template Reference

Specialization of the integer state for an increasing value, hence ~0u is the best state and 0 the worst. More...

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

Inheritance diagram for llvm::IncIntegerState< base_ty, BestState, WorstState >:
[legend]

Public Types

using super = IntegerStateBase<base_ty, BestState, WorstState>
using base_t = base_ty
Public Types inherited from llvm::IntegerStateBase< uint32_t, ~uint32_t(0), 0 >
using base_t

Public Member Functions

 IncIntegerState ()
 IncIntegerState (base_t Assumed)
IncIntegerStatetakeAssumedMinimum (base_t Value)
 Take minimum of assumed and Value.
IncIntegerStatetakeKnownMaximum (base_t Value)
 Take maximum of known and Value.
Public Member Functions inherited from llvm::IntegerStateBase< uint32_t, ~uint32_t(0), 0 >
 IntegerStateBase ()=default
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

Static Public Member Functions

static constexpr base_t getBestState ()
 Return the best possible representable state.
static constexpr base_t getBestState (const IncIntegerState< base_ty, BestState, WorstState > &)
Static Public Member Functions inherited from llvm::IntegerStateBase< uint32_t, ~uint32_t(0), 0 >
static constexpr base_t getBestState ()
 Return the best possible representable state.
static constexpr base_t getWorstState ()
 Return the worst possible representable state.

Additional Inherited Members

Protected Member Functions inherited from llvm::IntegerStateBase< uint32_t, ~uint32_t(0), 0 >
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.
Protected Attributes inherited from llvm::IntegerStateBase< uint32_t, ~uint32_t(0), 0 >
base_t Known
 The known state encoding in an integer of type base_t.
base_t Assumed
 The assumed state encoding in an integer of type base_t.

Detailed Description

template<typename base_ty = uint32_t, base_ty BestState = ~base_ty(0), base_ty WorstState = 0>
struct llvm::IncIntegerState< base_ty, BestState, WorstState >

Specialization of the integer state for an increasing value, hence ~0u is the best state and 0 the worst.

Definition at line 2844 of file Attributor.h.

Member Typedef Documentation

◆ base_t

template<typename base_ty = uint32_t, base_ty BestState = ~base_ty(0), base_ty WorstState = 0>
using llvm::IncIntegerState< base_ty, BestState, WorstState >::base_t = base_ty

Definition at line 2847 of file Attributor.h.

◆ super

template<typename base_ty = uint32_t, base_ty BestState = ~base_ty(0), base_ty WorstState = 0>
using llvm::IncIntegerState< base_ty, BestState, WorstState >::super = IntegerStateBase<base_ty, BestState, WorstState>

Definition at line 2846 of file Attributor.h.

Constructor & Destructor Documentation

◆ IncIntegerState() [1/2]

template<typename base_ty = uint32_t, base_ty BestState = ~base_ty(0), base_ty WorstState = 0>
llvm::IncIntegerState< base_ty, BestState, WorstState >::IncIntegerState ( )
inline

Definition at line 2849 of file Attributor.h.

◆ IncIntegerState() [2/2]

template<typename base_ty = uint32_t, base_ty BestState = ~base_ty(0), base_ty WorstState = 0>
llvm::IncIntegerState< base_ty, BestState, WorstState >::IncIntegerState ( base_t Assumed)
inline

Definition at line 2850 of file Attributor.h.

Member Function Documentation

◆ getBestState() [1/2]

template<typename base_ty = uint32_t, base_ty BestState = ~base_ty(0), base_ty WorstState = 0>
constexpr base_t llvm::IncIntegerState< base_ty, BestState, WorstState >::getBestState ( )
inlinestaticconstexpr

Return the best possible representable state.

Definition at line 2853 of file Attributor.h.

Referenced by llvm::IncIntegerState< uint64_t, Value::MaximumAlignment, 1 >::getBestState().

◆ getBestState() [2/2]

template<typename base_ty = uint32_t, base_ty BestState = ~base_ty(0), base_ty WorstState = 0>
constexpr base_t llvm::IncIntegerState< base_ty, BestState, WorstState >::getBestState ( const IncIntegerState< base_ty, BestState, WorstState > & )
inlinestaticconstexpr

Definition at line 2855 of file Attributor.h.

◆ takeAssumedMinimum()

template<typename base_ty = uint32_t, base_ty BestState = ~base_ty(0), base_ty WorstState = 0>
IncIntegerState & llvm::IncIntegerState< base_ty, BestState, WorstState >::takeAssumedMinimum ( base_t Value)
inline

Take minimum of assumed and Value.

Definition at line 2860 of file Attributor.h.

◆ takeKnownMaximum()

template<typename base_ty = uint32_t, base_ty BestState = ~base_ty(0), base_ty WorstState = 0>
IncIntegerState & llvm::IncIntegerState< base_ty, BestState, WorstState >::takeKnownMaximum ( base_t Value)
inline

Take maximum of known and Value.

Definition at line 2867 of file Attributor.h.


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