| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // compile-flags: -C no-prepopulate-passes |
| |
| #![crate_type = "lib"] |
| |
| pub enum E { |
| A, |
| B, |
| } |
| |
| // CHECK-LABEL: @exhaustive_match |
| #[no_mangle] |
| pub fn exhaustive_match(e: E) { |
| // CHECK: switch{{.*}}, label %[[OTHERWISE:[a-zA-Z0-9_]+]] [ |
| // CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[A:[a-zA-Z0-9_]+]] |
| // CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[B:[a-zA-Z0-9_]+]] |
| // CHECK-NEXT: ] |
| // CHECK: [[A]]: |
| // CHECK-NEXT: br label %[[EXIT:[a-zA-Z0-9_]+]] |
| // CHECK: [[B]]: |
| // CHECK-NEXT: br label %[[EXIT:[a-zA-Z0-9_]+]] |
| // CHECK: [[OTHERWISE]]: |
| // CHECK-NEXT: unreachable |
| match e { |
| E::A => (), |
| E::B => (), |
| } |
| } |
