[llvm] [RISCV][Peephole] Checking regclass compatibility in VMV (PR #138844)

[Luke Lau via llvm-commits]

================
@@ -105,3 +105,35 @@ body: |
     %3:vr = COPY %0
 ...
 ---
+name:            diff_regclass
+body:             |
----------------
lukel97 wrote:

```suggestion
name: diff_regclass
body: |
```


https://github.com/llvm/llvm-project/pull/138844