/// may have grown since it was inserted).
iterator addSegment(Segment S);
- /// extendInBlock - If this range is live before Kill in the basic block
- /// that starts at StartIdx, extend it to be live up to Kill, and return
- /// the value. If there is no segment before Kill, return NULL.
- VNInfo *extendInBlock(SlotIndex StartIdx, SlotIndex Kill);
+ /// If this range is live before @p Use in the basic block that starts at
+ /// @p StartIdx, extend it to be live up to @p Use, and return the value. If
+ /// there is no segment before @p Use, return nullptr.
+ VNInfo *extendInBlock(SlotIndex StartIdx, SlotIndex Use);
/// join - Join two live ranges (this, and other) together. This applies
/// mappings to the value numbers in the LHS/RHS ranges as specified. If