os-rust/tests/mir-opt/pre-codegen/slice_index.rs
2024-04-21 11:08:36 -07:00

36 lines
1.1 KiB
Rust

// skip-filecheck
//@ compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
#![crate_type = "lib"]
#![feature(slice_ptr_get)]
use std::ops::Range;
// EMIT_MIR slice_index.slice_index_usize.PreCodegen.after.mir
pub fn slice_index_usize(slice: &[u32], index: usize) -> u32 {
slice[index]
}
// EMIT_MIR slice_index.slice_get_mut_usize.PreCodegen.after.mir
pub fn slice_get_mut_usize(slice: &mut [u32], index: usize) -> Option<&mut u32> {
slice.get_mut(index)
}
// EMIT_MIR slice_index.slice_index_range.PreCodegen.after.mir
pub fn slice_index_range(slice: &[u32], index: Range<usize>) -> &[u32] {
&slice[index]
}
// EMIT_MIR slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir
pub unsafe fn slice_get_unchecked_mut_range(slice: &mut [u32], index: Range<usize>) -> &mut [u32] {
slice.get_unchecked_mut(index)
}
// EMIT_MIR slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.mir
pub unsafe fn slice_ptr_get_unchecked_range(
slice: *const [u32],
index: Range<usize>,
) -> *const [u32] {
slice.get_unchecked(index)
}