blob: d0051c5165fe139253700b111cb7d8e64c506e8d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// 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;
}
}
|
