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* [SystemZ] Replicate the load with most uses in buildVector()Jonas Paulsson2018-11-121-0/+19
Iterate over all elements and count the number of uses among them for each used load. Then make sure to REPLICATE the load which has the most uses in order to minimize the number of needed element insertions. Review: Ulrich Weigand https://reviews.llvm.org/D54322 llvm-svn: 346637
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