File: iter-sum.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (14 lines) | stat: -rw-r--r-- 399 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
//@ compile-flags: -O
//@ only-x86_64 (vectorization varies between architectures)
#![crate_type = "lib"]


// Ensure that slice + take + sum gets vectorized.
// Currently this relies on the slice::Iter::try_fold implementation
// CHECK-LABEL: @slice_take_sum
#[no_mangle]
pub fn slice_take_sum(s: &[u64], l: usize) -> u64 {
    // CHECK: vector.body:
    // CHECK: ret
    s.iter().take(l).sum()
}