Chris Lattner 2826e0511b Simplify the loop-unswitch pass, by not even trying to unswitch loops with
uses of loop values outside the loop.  We need loop-closed SSA form to do
this right, or to use SSA rewriting if we really care.

llvm-svn: 26089
2006-02-09 19:14:52 +00:00
..
2005-04-21 23:48:37 +00:00
2005-10-29 04:41:30 +00:00