[llvm] [RISCV] Remove vmv.s.x and vmv.x.s lmul pseudo variants (PR #71501)

[Craig Topper via llvm-commits]

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@@ -7420,11 +7414,6 @@ foreach fvti = AllFloatVectors in {
                (fvti.Vector $rs1),
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topperc wrote:

Why do we still need this pattern?

https://github.com/llvm/llvm-project/pull/71501