3 Commits

Author	SHA1	Message	Date
Dan Gohman	04c8bd7e11	Revert 52645, the loop unroller changes. It caused a regression in 252.eon. ... llvm-svn: 52688	2008-06-24 20:44:42 +00:00
Dan Gohman	48c5c7e860	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
Dan Gohman	3dc2d92ebd	Split the loop unroll mechanism logic out into a utility function. ... Patch by Matthijs Kooijman! llvm-svn: 51083	2008-05-14 00:24:14 +00:00