Hal Finkel 7b4ff9343d Move the Metadata merging methods from GVN and make them public in MDNode.
There are other passes, BBVectorize specifically, that also need some of
this functionality.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158605 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-16 20:33:37 +00:00
..
2012-03-23 03:55:14 +00:00
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2012-05-28 01:37:08 +00:00
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