Chris Lattner ec3f5c4fd7 Do not create ridiculously huge DSNodes, as described in the comments.
This speeds up the BU pass on 172.mgrid from 62.3 -> 0.1242s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20648 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-17 05:25:34 +00:00
..
2004-10-28 05:36:48 +00:00
2005-03-16 22:42:19 +00:00