rust/tests/mir-opt/pre-codegen/clone_as_copy.enum_clone_as_copy.PreCodegen.after.mir

// MIR for `enum_clone_as_copy` after PreCodegen

fn enum_clone_as_copy(_1: &Enum1) -> Enum1 {
    debug v => _1;
    let mut _0: Enum1;
    scope 1 (inlined <Enum1 as Clone>::clone) {
        debug self => _1;
        let mut _2: isize;
        let mut _3: &AllCopy;
        let mut _4: &NestCopy;
        scope 2 {
            debug __self_0 => _3;
            scope 6 (inlined <AllCopy as Clone>::clone) {
                debug self => _3;
            }
        }
        scope 3 {
            debug __self_0 => _4;
            scope 4 (inlined <NestCopy as Clone>::clone) {
                debug self => _4;
                let _5: &AllCopy;
                scope 5 (inlined <AllCopy as Clone>::clone) {
                    debug self => _5;
                }
            }
        }
    }

    bb0: {
        StorageLive(_2);
        StorageLive(_3);
        StorageLive(_4);
        _2 = discriminant((*_1));
        switchInt(move _2) -> [0: bb1, 1: bb2, otherwise: bb4];
    }

    bb1: {
        _3 = &(((*_1) as A).0: AllCopy);
        _0 = copy (*_1);
        goto -> bb3;
    }

    bb2: {
        _4 = &(((*_1) as B).0: NestCopy);
        StorageLive(_5);
        _5 = &((((*_1) as B).0: NestCopy).1: AllCopy);
        StorageDead(_5);
        _0 = copy (*_1);
        goto -> bb3;
    }

    bb3: {
        StorageDead(_4);
        StorageDead(_3);
        StorageDead(_2);
        return;
    }

    bb4: {
        unreachable;
    }
}