[llvm] [RISCV][VLOPT] Add Vector FP instructions to getOperandInfo (PR #121609)

[Michael Maitland via llvm-commits]

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@@ -503,7 +563,21 @@ static OperandInfo getOperandInfo(const MachineOperand &MO,
   case RISCV::VWADD_WV:
   case RISCV::VWADD_WX:
   case RISCV::VWSUB_WV:
-  case RISCV::VWSUB_WX: {
+  case RISCV::VWSUB_WX:
+  // Vector Widening Floating-Point Add/Subtract Instructions
+  case RISCV::VFWADD_WF:
+  case RISCV::VFWADD_WV:
+  case RISCV::VFWSUB_WF:
+  case RISCV::VFWSUB_WV:
+  // Vector Widening Floating-Point Fused Multiply-Add Instructions
+  case RISCV::VFWMACC_VF:
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michaelmaitland wrote:

Thats a good point. 

https://github.com/llvm/llvm-project/pull/121609