Chris Lattner 16437ff705 Minor changes, remove some debugging code that got checked in somehow.
Make sure to scope the NodeMap passed into cloneInto so that it doesn't point
to nodes that are deleted.  Add some FIXME's for future performance enhancements.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12115 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 17:05:28 +00:00
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