Chad Rosier 42726835e3 Fix a regression from r147481. This combine should only happen if there is a
single use.
rdar://11360370


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156316 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07 18:47:44 +00:00
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