1 // compile-flags: -Z mir-opt-level=4
3 // EMIT_MIR lower_array_len.array_bound.NormalizeArrayLen.diff
4 // EMIT_MIR lower_array_len.array_bound.SimplifyLocals.diff
5 // EMIT_MIR lower_array_len.array_bound.InstCombine.diff
6 pub fn array_bound<const N: usize>(index: usize, slice: &[u8; N]) -> u8 {
7 if index < slice.len() {
14 // EMIT_MIR lower_array_len.array_bound_mut.NormalizeArrayLen.diff
15 // EMIT_MIR lower_array_len.array_bound_mut.SimplifyLocals.diff
16 // EMIT_MIR lower_array_len.array_bound_mut.InstCombine.diff
17 pub fn array_bound_mut<const N: usize>(index: usize, slice: &mut [u8; N]) -> u8 {
18 if index < slice.len() {
27 // EMIT_MIR lower_array_len.array_len.NormalizeArrayLen.diff
28 // EMIT_MIR lower_array_len.array_len.SimplifyLocals.diff
29 // EMIT_MIR lower_array_len.array_len.InstCombine.diff
30 pub fn array_len<const N: usize>(arr: &[u8; N]) -> usize {
34 // EMIT_MIR lower_array_len.array_len_by_value.NormalizeArrayLen.diff
35 // EMIT_MIR lower_array_len.array_len_by_value.SimplifyLocals.diff
36 // EMIT_MIR lower_array_len.array_len_by_value.InstCombine.diff
37 pub fn array_len_by_value<const N: usize>(arr: [u8; N]) -> usize {
42 let _ = array_bound(3, &[0, 1, 2, 3]);
43 let mut tmp = [0, 1, 2, 3, 4];
44 let _ = array_bound_mut(3, &mut [0, 1, 2, 3]);
45 let _ = array_len(&[0]);
46 let _ = array_len_by_value([0, 2]);