[PATCH] D99236: [RISCV] Turn splat shuffles of vector loads into scalar loads and a splat.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

In D99236#2663124 <https://reviews.llvm.org/D99236#2663124>, @rogfer01 wrote:

> One could argue that this introduces coupling between the scalar register bank and the vector register bank. But I presume the simpler scalar load makes up for that loss of decoupling.
>
> Reassuring myself here: VectorCombine cannot do this for scalables, can it?

The VectorCombine code only works on fixed vectors


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https://reviews.llvm.org/D99236