[PATCH] D62024: [InstCombine] fold shuffles of insert_subvectors

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

> So IIUC, this is always the 1st option that you listed: legal destination type with vector widening, so the backend shouldn't ever see a difference.

Did you try any testcases with integer types?  floats can't be "promoted", but integers can.


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  https://reviews.llvm.org/D62024/new/

https://reviews.llvm.org/D62024