Sam Parker fea532230b [ARM][ParallelDSP] SExt mul for accumulation ...

For any unpaired muls, we accumulate them as an input to the
reduction. Check the type of the mul and perform a sext if the
existing accumlator input type is not the same.

Differential Revision: https://reviews.llvm.org/D66993

llvm-svn: 370851

2019-09-04 08:41:34 +00:00

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