| //@ compile-flags: -O | |
| #![crate_type = "lib"] | |
| pub enum K { | |
| A(Box<[i32]>), | |
| B(Box<[u8]>), | |
| C(Box<[String]>), | |
| D(Box<[u16]>), | |
| } | |
| // CHECK-LABEL: @get_len | |
| // CHECK-NEXT: {{.*}}: | |
| // CHECK-NEXT: getelementptr inbounds | |
| // CHECK-NEXT: load [[TYPE:i(32|64)]] | |
| // CHECK-NEXT: ret [[TYPE]] | |
| #[no_mangle] | |
| pub fn get_len(arg: &K) -> usize { | |
| match arg { | |
| K::A(ref lst) => lst.len(), | |
| K::B(ref lst) => lst.len(), | |
| K::C(ref lst) => lst.len(), | |
| K::D(ref lst) => lst.len(), | |
| } | |
| } |