[PATCH] D125018: [ValueTypes] Define MVTs for v128i2/v64i4 as well as i2 and i4.

[Hendrik Greving via Phabricator via llvm-commits]

hgreving added a comment.

In D125018#3498099 <https://reviews.llvm.org/D125018#3498099>, @craig.topper wrote:

> What SelectionDAG support is needed for i2/i4?

Thanks for asking! I ran into various issues when adding i2/i4 as integer types, starting with them being assumed "legal" in selection DAG with various lit tests failingthat rely on expansion. Followed by more issues due to sth in DAG combine, which I hadn't tracked down completely. Any thoughts on that?


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https://reviews.llvm.org/D125018