rust/tests/mir-opt/pre-codegen/try_identity.new.PreCodegen.after.mir

// MIR for `new` after PreCodegen

fn new(_1: Result<T, E>) -> Result<T, E> {
    debug x => _1;
    let mut _0: std::result::Result<T, E>;
    let mut _2: isize;
    let _3: T;
    let mut _4: std::ops::ControlFlow<E, T>;
    let _5: E;
    let mut _6: isize;
    let _7: T;
    let _8: E;
    scope 1 {
        debug v => _3;
    }
    scope 2 {
        debug e => _5;
    }
    scope 3 {
        debug v => _7;
    }
    scope 4 {
        debug e => _8;
    }

    bb0: {
        StorageLive(_4);
        _2 = discriminant(_1);
        switchInt(move _2) -> [0: bb1, 1: bb2, otherwise: bb7];
    }

    bb1: {
        _3 = move ((_1 as Ok).0: T);
        _4 = ControlFlow::<E, T>::Continue(move _3);
        goto -> bb3;
    }

    bb2: {
        _5 = move ((_1 as Err).0: E);
        _4 = ControlFlow::<E, T>::Break(move _5);
        goto -> bb3;
    }

    bb3: {
        _6 = discriminant(_4);
        switchInt(move _6) -> [0: bb4, 1: bb5, otherwise: bb7];
    }

    bb4: {
        _7 = move ((_4 as Continue).0: T);
        _0 = Result::<T, E>::Ok(move _7);
        StorageDead(_4);
        goto -> bb6;
    }

    bb5: {
        _8 = move ((_4 as Break).0: E);
        _0 = Result::<T, E>::Err(move _8);
        StorageDead(_4);
        goto -> bb6;
    }

    bb6: {
        return;
    }

    bb7: {
        unreachable;
    }
}