[llvm] [RISCV][MC] Implement evaluateBranch for auipc+jalr pairs (PR #65480)

[Alexander Richardson via llvm-commits]

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@@ -37,6 +37,21 @@ class MCInstrAnalysis {
   MCInstrAnalysis(const MCInstrInfo *Info) : Info(Info) {}
   virtual ~MCInstrAnalysis() = default;
 
+  /// Clear the internal state. See updateState for more information.
+  virtual void resetState() {}
+
+  /// Update internal state with \p Inst at \p Addr.
+  ///
+  /// For some types a analyses, inspecting a single instruction is not
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arichardson wrote:

```suggestion
  /// For some types of analyses, inspecting a single instruction is not
```

https://github.com/llvm/llvm-project/pull/65480