[llvm] [llvm-exegesis] [AArch64] Resolving "not all operands are initialized by snippet generator" (PR #142529)

[Aiden Grossman via llvm-commits]

================
@@ -229,6 +233,40 @@ class ExegesisAArch64Target : public ExegesisTarget {
   }
 };
 
+Error ExegesisAArch64Target::randomizeTargetMCOperand(
+    const Instruction &Instr, const Variable &Var, MCOperand &AssignedValue,
+    const BitVector &ForbiddenRegs) const {
+  const Operand &Op = Instr.getPrimaryOperand(Var);
+  const auto OperandType = Op.getExplicitOperandInfo().OperandType;
+  // Introducing some illegal instructions for (15) a few opcodes
----------------
boomanaiden154 wrote:

This sounds like a problem that should be fixed or at least better documented?

https://github.com/llvm/llvm-project/pull/142529