[llvm] [RISCV][VLOPT] Add vector fp-conversion instruction to isSupportedInstr (PR #122033)

[Luke Lau via llvm-commits]

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@@ -110,4 +110,17 @@ body: |
     %y:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, 1, 3 /* e8 */, 0
     %z:vr = PseudoVADD_VV_M1 $noreg, %x, $noreg, -1, 3 /* e8 */, 0
 ...
+---
+name: vfcvt.x.f.v
+body: |
+  bb.0:
+    liveins: $x1
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lukel97 wrote:

Can we remove the live-in if it's not used?

https://github.com/llvm/llvm-project/pull/122033