[PATCH] D153351: [RISCV] Fold vmv.v.v into vops

[Luke Lau via Phabricator via llvm-commits]

luke planned changes to this revision.
luke added a comment.

In D153351#4442241 <https://reviews.llvm.org/D153351#4442241>, @craig.topper wrote:

> What prevents this from changing the VL of a vcompress or a reduction?

This patch assumes every operation is lanewise, back to the drawing board!
It doesn't look like we have any information on the pseudos at the moment as to what's lanewise and what's not. Is there an easier way to work this out other than adding a new bit to RVInst?


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https://reviews.llvm.org/D153351