IR:
/*******************************************************
 *                       WARNING                       *
 *  Solidity to Yul compilation is still EXPERIMENTAL  *
 *       It can result in LOSS OF FUNDS or worse       *
 *                !USE AT YOUR OWN RISK!               *
 *******************************************************/


object "test_11" {
    code {
        mstore(64, 128)
        if callvalue() { revert(0, 0) }

        constructor_test_11()

        codecopy(0, dataoffset("test_11_deployed"), datasize("test_11_deployed"))

        return(0, datasize("test_11_deployed"))

        function constructor_test_11() {

        }

    }
    object "test_11_deployed" {
        code {
            mstore(64, 128)

            if iszero(lt(calldatasize(), 4))
            {
                let selector := shift_right_224_unsigned(calldataload(0))
                switch selector

                case 0x26121ff0
                {
                    // f()

                    if callvalue() { revert(0, 0) }
                    abi_decode_tuple_(4, calldatasize())
                    let ret_0 :=  fun_f_10()
                    let memPos := allocate_memory(0)
                    let memEnd := abi_encode_tuple_t_bool__to_t_bool__fromStack(memPos , ret_0)
                    return(memPos, sub(memEnd, memPos))
                }

                default {}
            }
            if iszero(calldatasize()) {  }
            revert(0, 0)

            function abi_decode_tuple_(headStart, dataEnd)   {
                if slt(sub(dataEnd, headStart), 0) { revert(0, 0) }

            }

            function abi_encode_t_bool_to_t_bool_fromStack(value, pos) {
                mstore(pos, cleanup_t_bool(value))
            }

            function abi_encode_tuple_t_bool__to_t_bool__fromStack(headStart , value0) -> tail {
                tail := add(headStart, 32)

                abi_encode_t_bool_to_t_bool_fromStack(value0,  add(headStart, 0))

            }

            function allocate_memory(size) -> memPtr {
                memPtr := allocate_unbounded()
                finalize_allocation(memPtr, size)
            }

            function allocate_unbounded() -> memPtr {
                memPtr := mload(64)
            }

            function cleanup_t_bool(value) -> cleaned {
                cleaned := iszero(iszero(value))
            }

            function finalize_allocation(memPtr, size) {
                let newFreePtr := add(memPtr, round_up_to_mul_of_32(size))
                // protect against overflow
                if or(gt(newFreePtr, 0xffffffffffffffff), lt(newFreePtr, memPtr)) { panic_error_0x41() }
                mstore(64, newFreePtr)
            }

            function fun_f_10() -> var__5 {
                let zero_t_bool_1 := zero_value_for_split_t_bool()
                var__5 := zero_t_bool_1

                let expr_7 := 0x01
                var__5 := expr_7
                leave

            }

            function panic_error_0x41() {
                mstore(0, 35408467139433450592217433187231851964531694900788300625387963629091585785856)
                mstore(4, 0x41)
                revert(0, 0x24)
            }

            function round_up_to_mul_of_32(value) -> result {
                result := and(add(value, 31), not(31))
            }

            function shift_right_224_unsigned(value) -> newValue {
                newValue :=

                shr(224, value)

            }

            function zero_value_for_split_t_bool() -> ret {
                ret := 0
            }

        }

    }

}