Optimized IR:
/// @use-src 0:"input.sol"
object "C_12" {
    code {
        {
            let _1 := memoryguard(0x80)
            mstore(64, _1)
            if callvalue() { revert(0, 0) }
            let _2 := datasize("C_12_deployed")
            codecopy(_1, dataoffset("C_12_deployed"), _2)
            return(_1, _2)
        }
    }
    /// @use-src 0:"input.sol"
    object "C_12_deployed" {
        code {
            {
                let _1 := memoryguard(0x80)
                mstore(64, _1)
                if iszero(lt(calldatasize(), 4))
                {
                    if eq(0x26121ff0, shr(224, calldataload(0)))
                    {
                        if callvalue() { revert(0, 0) }
                        if slt(add(calldatasize(), not(3)), 0) { revert(0, 0) }
                        mstore(_1, 0x183a6125c38840424c4a85fa12bab2ab606c4b6d0e7cc73c0c06ba5300eab500)
                        return(_1, 32)
                    }
                }
                revert(0, 0)
            }
        }
        data ".metadata" hex"<BYTECODE REMOVED>"
    }
}
