Michael Kuperstein 7cefb409b0 [LV] Allow reductions that have several uses outside the loop ...

We currently check whether a reduction has a single outside user. We don't
really need to require that - we just need to make sure a single value is
used externally. The number of external users of that value shouldn't actually
matter.

Differential Revision: https://reviews.llvm.org/D28830

llvm-svn: 292424

2017-01-18 19:02:52 +00:00

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