procedure Test.1 (Test.5):
    let Test.19 : I64 = 2i64;
    let Test.2 : [C I64, C I64] = TagId(1) Test.19;
    joinpoint Test.9 Test.3:
        ret Test.3;
    in
    let Test.16 : U8 = 1i64;
    let Test.17 : U8 = GetTagId Test.2;
    let Test.18 : Int1 = lowlevel Eq Test.16 Test.17;
    if Test.18 then
        let Test.13 : I64 = UnionAtIndex (Id 1) (Index 0) Test.2;
        let Test.14 : I64 = 3i64;
        let Test.15 : Int1 = lowlevel Eq Test.14 Test.13;
        if Test.15 then
            let Test.10 : I64 = 1i64;
            jump Test.9 Test.10;
        else
            let Test.11 : I64 = 2i64;
            jump Test.9 Test.11;
    else
        let Test.12 : I64 = 3i64;
        jump Test.9 Test.12;

procedure Test.0 ():
    let Test.7 : {} = Struct {};
    let Test.6 : I64 = CallByName Test.1 Test.7;
    ret Test.6;