Duncan Sands f9a0cc2e7b Add a unittest for the simply connected components (SCC) iterator class.
This computes every graph with 4 or fewer nodes, and checks that the SCC
class indeed returns exactly the simply connected components reachable
from the initial node.

llvm-svn: 136351
2011-07-28 14:17:11 +00:00
..
2010-11-29 18:16:10 +00:00