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

[via llvm-commits]

================
@@ -57,6 +57,15 @@ const MCOperand &InstructionTemplate::getValueFor(const Operand &Op) const {
   return getValueFor(Instr->Variables[Op.getVariableIndex()]);
 }
 
+MCOperand &InstructionTemplate::getValueForOperandIdx(unsigned OpIdx) {
----------------
AnastasiyaChernikova wrote:

Addressed

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