| // Copyright 2017 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 norm2(x: [f32; 2]) -> f32 { |
| let a = x[0]; |
| let b = x[1]; |
| a*a + b*b |
| } |
| |
| fn main() { |
| assert_eq!(norm2([3.0, 4.0]), 5.0*5.0); |
| } |
| |
| // END RUST SOURCE |
| |
| // START rustc.norm2.InstCombine.before.mir |
| // _4 = Len(_1); |
| // ... |
| // _8 = Len(_1); |
| // END rustc.norm2.InstCombine.before.mir |
| |
| // START rustc.norm2.InstCombine.after.mir |
| // _4 = const 2usize; |
| // ... |
| // _8 = const 2usize; |
| // END rustc.norm2.InstCombine.after.mir |
