Result of querying a LiveRange around a single instruction.
Declared in <llvm/CodeGen/LiveInterval.h>
class LiveQueryResult;This class hides the implementation details of live ranges, and it should be used as the primary interface for examining live ranges around instructions.
| Name | Description |
|---|---|
LiveQueryResult [constructor] | Construct a query result from the live-in/out values around an instr. |
endPoint | Return the end point of the last live range segment to interact with the instruction, if any. |
isDeadDef | Return true if this instruction has a dead def. |
isKill | Return true if the live-in value is killed by this instruction. This means that either the live range ends at the instruction, or it changes value. |
valueDefined | Return the value defined by this instruction, if any. This includes dead defs, it is the value created by the instruction's def operands. |
valueIn | Return the value that is live-in to the instruction. This is the value that will be read by the instruction's use operands. Return NULL if no value is live-in. |
valueOut | Return the value leaving the instruction, if any. This can be a live-through value, or a live def. A dead def returns NULL. |
valueOutOrDead | Returns the value alive at the end of the instruction, if any. This can be a live-through value, a live def or a dead def. |