[PATCH] D16197: [LV] Vectorize pre-load recurrences

Geoff Berry via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 14 10:42:49 PST 2016


gberry added a comment.

One other question: have you explored vectorizing this recurrence as a shuffle+insertelement instead?  That would avoid the need for any extra memory dependency checking, and would avoid introducing more loads in the loop.


http://reviews.llvm.org/D16197





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