Chris Lattner 00948c05b2 Add a timer, fix a minor bug.
Also, use RC::merge when possible, reducing the number of nodes allocated, then immediately merged away from 2985444 to 2193852 on perlbmk.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10991 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 02:05:05 +00:00
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2004-01-28 02:05:05 +00:00
2004-01-14 21:18:03 +00:00
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