Optimized IR:
/// @use-src 0:"input.sol"
object "C_7" {
    code {
        {
            let _1 := memoryguard(128)
            mstore(64, _1)
            if callvalue() { revert(0, 0) }
            let _2 := datasize("C_7_deployed")
            codecopy(_1, dataoffset("C_7_deployed"), _2)
            return(_1, _2)
        }
    }
    /// @use-src 0:"input.sol"
    object "C_7_deployed" {
        code {
            {
                mstore(64, 128)
                if gt(calldatasize(), 3)
                {
                    if eq(0x26121ff0, shr(224, calldataload(0)))
                    {
                        if callvalue() { revert(0, 0) }
                        if slt(add(calldatasize(), not(3)), 0) { revert(0, 0) }
                        returndatacopy(96, 0, returndatasize())
                        return(0, 0)
                    }
                }
                revert(0, 0)
            }
        }
        data ".metadata" hex""
    }
}
