rust/tests/mir-opt/building/custom/arrays.rs

23 lines
416 B
Rust

// skip-filecheck
#![feature(custom_mir, core_intrinsics)]
extern crate core;
use core::intrinsics::mir::*;
// EMIT_MIR arrays.arrays.built.after.mir
#[custom_mir(dialect = "built")]
fn arrays<const C: usize>() -> usize {
mir! {
{
let x = [5_i32; C];
let c = Len(x);
RET = c;
Return()
}
}
}
fn main() {
assert_eq!(arrays::<20>(), 20);
}