pub mod tests {
    use compiler::backend::{AddInst, Block, BranchInst, BranchOp, Inst, JmpInst, MvInst, REG_A0, REG_A1, REG_A2, REG_RA, REG_S0, REG_S1, REG_S2, REG_SP, SdInst};

    #[test]
    pub fn linked() {
        //  createLinkedList
        let mut entry = Block::new("entry".into());
        let addispsp_16 = Inst::Add(AddInst::new(REG_SP.into(), REG_SP.into()))
    }
}