- /// getLoopPreheader - If there is a preheader for this loop, return it. A
- /// loop has a preheader if there is only one edge to the header of the loop
- /// from outside of the loop. If this is the case, the block branching to the
- /// header of the loop is the preheader node.
+ /// If there is a preheader for this loop, return it. A loop has a preheader
+ /// if there is only one edge to the header of the loop from outside of the
+ /// loop. If this is the case, the block branching to the header of the loop
+ /// is the preheader node.