| // Copyright 2016 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. |
| |
| fn test(x: u32) -> u32 { |
| let y = x; |
| y |
| } |
| |
| fn main() { |
| // Make sure the function actually gets instantiated. |
| test(0); |
| } |
| |
| // END RUST SOURCE |
| // START rustc.test.CopyPropagation.before.mir |
| // bb0: { |
| // ... |
| // _2 = _1; |
| // ... |
| // _0 = _2; |
| // ... |
| // return; |
| // } |
| // END rustc.test.CopyPropagation.before.mir |
| // START rustc.test.CopyPropagation.after.mir |
| // bb0: { |
| // ... |
| // _0 = _1; |
| // ... |
| // return; |
| // } |
| // END rustc.test.CopyPropagation.after.mir |
