State for dereferenceable attribute. More...
#include "llvm/Transforms/IPO/Attributor.h"
Static Public Member Functions | |
| static DerefState | getBestState () |
| static DerefState | getBestState (const DerefState &) |
| static DerefState | getWorstState () |
| Return the worst possible representable state. | |
| static DerefState | getWorstState (const DerefState &) |
Public Attributes | |
| IncIntegerState | DerefBytesState |
| State representing for dereferenceable bytes. | |
| std::map< int64_t, uint64_t > | AccessedBytesMap |
| Map representing for accessed memory offsets and sizes. | |
Additional Inherited Members | |
 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. | |
Detailed Description
State for dereferenceable attribute.
Definition at line 4070 of file Attributor.h.
Member Function Documentation
◆ getBestState() [1/2]
|
inlinestatic |
Definition at line 4072 of file Attributor.h.
◆ getBestState() [2/2]
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inlinestatic |
Definition at line 4073 of file Attributor.h.
References getBestState().
Referenced by getBestState().
◆ getWorstState() [1/2]
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inlinestatic |
Return the worst possible representable state.
Definition at line 4076 of file Attributor.h.
Referenced by getWorstState().
◆ getWorstState() [2/2]
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inlinestatic |
Definition at line 4081 of file Attributor.h.
References getWorstState().
Member Data Documentation
◆ AccessedBytesMap
| std::map<int64_t, uint64_t> llvm::DerefState::AccessedBytesMap |
Map representing for accessed memory offsets and sizes.
A key is Offset and a value is size. If there is a load/store instruction something like, p[offset] = v; (offset, sizeof(v)) will be inserted to this map. std::map is used because we want to iterate keys in ascending order.
Definition at line 4094 of file Attributor.h.
◆ DerefBytesState
| IncIntegerState llvm::DerefState::DerefBytesState |
State representing for dereferenceable bytes.
Definition at line 4086 of file Attributor.h.
Referenced by llvm::clampStateAndIndicateChange< DerefState >(), llvm::AADereferenceable::getAssumedDereferenceableBytes(), and llvm::AADereferenceable::getKnownDereferenceableBytes().
The documentation for this struct was generated from the following file:
- include/llvm/Transforms/IPO/Attributor.h
