Dan Gohman 7f6ee1cd4b Revamp the loop unroller, extending it to correctly update PHI nodes
in the presence of out-of-loop users of in-loop values and the trip
count is not a known multiple of the unroll count, and to be a bit
simpler overall. This fixes PR2253.

llvm-svn: 52645
2008-06-23 21:29:41 +00:00
..
2008-06-16 04:25:39 +00:00
2008-06-20 05:33:29 +00:00