[llvm] [VP][RISCV] Add a vp.load.ff intrinsic for fault only first load. (PR #128593)

[Shih-Po Hung via llvm-commits]

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@@ -3099,6 +3099,23 @@ class MaskedHistogramSDNode : public MaskedGatherScatterSDNode {
   }
 };
 
+class VPLoadFFSDNode : public MemSDNode {
+public:
+  friend class SelectionDAG;
+
+  VPLoadFFSDNode(unsigned Order, const DebugLoc &dl, SDVTList VTs, EVT MemVT,
+                 MachineMemOperand *MMO)
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arcbbb wrote:

```suggestion
  VPLoadFFSDNode(unsigned Order, const DebugLoc &DL, SDVTList VTs, EVT MemVT,
                 MachineMemOperand *MMO)
```

https://github.com/llvm/llvm-project/pull/128593