[PATCH] D76514: [ARM] Avoid pointless vrev of element-wise vmov

John Brawn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 24 09:07:12 PDT 2020


john.brawn added a comment.

In D76514#1937042 <https://reviews.llvm.org/D76514#1937042>, @dmgreen wrote:

> Would it make sense to do this as a DAG fold? That way we would get MVE for free too.


Do you mean do something in PerformDAGCombine? I don't think that would work, because the only way to do it that I can see would be to remove the bitcast but then we'd get an error due to a type mismatch.


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