| // 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. |
| |
| // compile-flags: -C no-prepopulate-passes -O |
| |
| #![crate_type = "lib"] |
| |
| // CHECK-LABEL: @zip_copy |
| #[no_mangle] |
| pub fn zip_copy(xs: &[u8], ys: &mut [u8]) { |
| // CHECK: memcpy |
| for (x, y) in xs.iter().zip(ys) { |
| *y = *x; |
| } |
| } |
| |
| // CHECK-LABEL: @zip_copy_mapped |
| #[no_mangle] |
| pub fn zip_copy_mapped(xs: &[u8], ys: &mut [u8]) { |
| // CHECK: memcpy |
| for (x, y) in xs.iter().map(|&x| x).zip(ys) { |
| *y = x; |
| } |
| } |