[llvm] [Exegesis][RISCV] Add RISCV support for llvm-exegesis (PR #89047)

[Min-Yih Hsu via llvm-commits]

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@@ -201,6 +211,14 @@ class ExegesisTarget {
         "fillMemoryOperands() requires getScratchMemoryRegister() > 0");
   }
 
+  // Generates code to store register into scratch memory with offset.
+  virtual std::vector<MCInst> storeRegValueToScratch(const MCSubtargetInfo &STI,
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mshockwave wrote:

where do you use this function?

https://github.com/llvm/llvm-project/pull/89047