rust/tests/codegen/zip.rs

22 lines
432 B
Rust

//@ 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;
}
}