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Chris Lattner 5251047abd 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.

llvm-svn: 20648
2005-03-17 05:25:34 +00:00
llvm Do not create ridiculously huge DSNodes, as described in the comments. 2005-03-17 05:25:34 +00:00