Return lanes of VRegOrUnit that are live at Pos.
Declared in <llvm/CodeGen/RegisterPressure.h>
LaneBitmask
getLiveLanesAt(
VirtRegOrUnit VRegOrUnit,
SlotIndex Pos) const;Lane mask of lanes live at Pos.
| Name | Description |
|---|---|
| VRegOrUnit | Virtual register or register unit to query. |
| Pos | Slot index at which liveness is queried. |