message: Build the variable def
diff: @@ -73,12 +73,13 @@ fn compile_func(func: bril::Function) {
  match inst {
  bril::Code::Instruction(op) => {
  match op {
  - bril::Instruction::Constant { dest, op, const_type: typ, value } => {
  + bril::Instruction::Constant { dest, op: _, const_type: _, value } => {
  let var = vars.get(&dest).unwrap();
  let val = match value {
  bril::Literal::Int(i) => builder.ins().iconst(ir::types::I64, *i),
  bril::Literal::Bool(b) => builder.ins().bconst(ir::types::B1, *b),
  };
  + builder.def_var(*var, val);
  },
  _ => todo!(),
  }
  