1 files changed, 8 insertions, 3 deletions
diff --git a/llvm/tools/llvm-exegesis/lib/MCInstrDescView.h b/llvm/tools/llvm-exegesis/lib/MCInstrDescView.h
index 893b786762f..c36582ac72d 100644
--- a/llvm/tools/llvm-exegesis/lib/MCInstrDescView.h
+++ b/llvm/tools/llvm-exegesis/lib/MCInstrDescView.h
@@ -93,12 +93,17 @@ struct InstructionInstance {
 
   unsigned getOpcode() const;
   llvm::MCOperand &getValueFor(const Variable &Var);
+  const llvm::MCOperand &getValueFor(const Variable &Var) const;
   llvm::MCOperand &getValueFor(const Operand &Op);
+  const llvm::MCOperand &getValueFor(const Operand &Op) const;
   bool hasImmediateVariables() const;
 
-  // Assigns a Random Value to all Variables that are still Invalid and returns
-  // the instance as an llvm::MCInst.
-  llvm::MCInst randomizeUnsetVariablesAndBuild();
+  // Assigns a Random Value to all Variables that are still Invalid.
+  void randomizeUnsetVariables();
+
+  // Returns the instance as an llvm::MCInst. The InstructionInstance must be
+  // fully allocated (no invalid variables).
+  llvm::MCInst build() const;
 
   Instruction Instr;
   llvm::SmallVector<llvm::MCOperand, 4> VariableValues;