Specialization of the integer state for a decreasing value, hence 0 is the best state and ~0u the worst. More...
#include "llvm/Transforms/IPO/Attributor.h"
Inheritance diagram for llvm::DecIntegerState< base_ty >:
Public Types | |
| using | base_t = base_ty |
 Public Types inherited from llvm::IntegerStateBase< base_ty, BestState, WorstState > | |
| using | base_t = base_ty |
Public Member Functions | |
| DecIntegerState & | takeAssumedMaximum (base_t Value) |
Take maximum of assumed and Value. | |
| DecIntegerState & | takeKnownMinimum (base_t Value) |
Take minimum of known and Value. | |
| 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. | |
Additional Inherited Members | |
| 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 &) |
| 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< 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
template<typename base_ty = uint32_t>
struct llvm::DecIntegerState< base_ty >
struct llvm::DecIntegerState< base_ty >
Specialization of the integer state for a decreasing value, hence 0 is the best state and ~0u the worst.
Definition at line 2867 of file Attributor.h.
Member Typedef Documentation
◆ base_t
template<typename base_ty = uint32_t>
| using llvm::DecIntegerState< base_ty >::base_t = base_ty |
Definition at line 2868 of file Attributor.h.
Member Function Documentation
◆ takeAssumedMaximum()
template<typename base_ty = uint32_t>
|
inline |
Take maximum of assumed and Value.
Definition at line 2871 of file Attributor.h.
References llvm::IntegerStateBase< base_ty, BestState, WorstState >::Assumed, and llvm::IntegerStateBase< base_ty, BestState, WorstState >::Known.
◆ takeKnownMinimum()
template<typename base_ty = uint32_t>
|
inline |
Take minimum of known and Value.
Definition at line 2878 of file Attributor.h.
References llvm::IntegerStateBase< base_ty, BestState, WorstState >::Assumed, and llvm::IntegerStateBase< base_ty, BestState, WorstState >::Known.
The documentation for this struct was generated from the following file:
- include/llvm/Transforms/IPO/Attributor.h
