assert(From != To.getNode() && "Cannot replace uses of with self");
// Iterate over all the existing uses of From. This specifically avoids
- // visiting any new uses of From that arrise while the replacement is
+ // visiting any new uses of From that arise while the replacement is
// happening, because any such uses would be the result of CSE: If an
// existing node looks like From after one of its operands is replaced
// by To, we don't want to replace of all its users with To too.