Jakob Stoklund Olesen 6d309059a7 Teach ConnectedVNInfoEqClasses::Classify to deal with unused values. ...

We don't want unused values forming their own equivalence classes, so we lump
them all together in one class, and then merge them with the class of the last
used value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117670 91177308-0d34-0410-b5e6-96231b3b80d8

2010-10-29 17:37:29 +00:00

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