[PATCH] D113852: [X86][Costmodel] `trunc v32i16 to v64i8` can appear after legalization, cost is same as for `trunc v32i16 to v32i8`

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

Have you been able to step through the mul fix/overflow cost calcs - I assume its the trunc <64 x i16> -> <64 x i8> cost calc that is causing this?


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  https://reviews.llvm.org/D113852/new/

https://reviews.llvm.org/D113852