1 // Copyright 2012-2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // compile-flags:-Znll
15 fn use_x(_: usize) -> bool { true }
20 // Key point: `x` not live on entry to this basic block.
22 if use_x(x) { break; }
27 // START rustc.main.nll.0.mir
28 // | Live variables on entry to bb2: []
30 // | Live variables at bb2[0]: []
31 // _1 = const 55usize;
32 // | Live variables at bb2[1]: [_1]
34 // | Live variables at bb2[2]: [_1]
36 // | Live variables at bb2[3]: [_1]
38 // | Live variables at bb2[4]: [_4]
39 // _3 = const use_x(move _4) -> [return: bb3, unwind: bb1];
41 // END rustc.main.nll.0.mir