[PATCH] D98779: [RISCV] Support bitcasts of fixed-length mask vectors

[Fraser Cormack via Phabricator via llvm-commits]

frasercrmck added a comment.

In D98779#2632210 <https://reviews.llvm.org/D98779#2632210>, @craig.topper wrote:

> LGTM
>
> Is this based on real IR you saw? Such a cast would be pretty terrible on X86 so I hope it doesn't come up often.

Cheers. Nah, luckily it came up while optimizing mask `build_vector`s.


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https://reviews.llvm.org/D98779