mirror of https://github.com/rust-lang/rust
63 lines
1.5 KiB
Rust
63 lines
1.5 KiB
Rust
//@ compile-flags: -O
|
|
//@ only-64bit (because the LLVM type of i64 for usize shows up)
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
use std::ops::Range;
|
|
|
|
// CHECK-LABEL: @index_by_range(
|
|
#[no_mangle]
|
|
pub fn index_by_range(x: &[u16], r: Range<usize>) -> &[u16] {
|
|
// CHECK: sub nuw i64
|
|
&x[r]
|
|
}
|
|
|
|
// CHECK-LABEL: @get_unchecked_by_range(
|
|
#[no_mangle]
|
|
pub unsafe fn get_unchecked_by_range(x: &[u16], r: Range<usize>) -> &[u16] {
|
|
// CHECK: sub nuw i64
|
|
x.get_unchecked(r)
|
|
}
|
|
|
|
// CHECK-LABEL: @index_mut_by_range(
|
|
#[no_mangle]
|
|
pub fn index_mut_by_range(x: &mut [i32], r: Range<usize>) -> &mut [i32] {
|
|
// CHECK: sub nuw i64
|
|
&mut x[r]
|
|
}
|
|
|
|
// CHECK-LABEL: @get_unchecked_mut_by_range(
|
|
#[no_mangle]
|
|
pub unsafe fn get_unchecked_mut_by_range(x: &mut [i32], r: Range<usize>) -> &mut [i32] {
|
|
// CHECK: sub nuw i64
|
|
x.get_unchecked_mut(r)
|
|
}
|
|
|
|
// CHECK-LABEL: @str_index_by_range(
|
|
#[no_mangle]
|
|
pub fn str_index_by_range(x: &str, r: Range<usize>) -> &str {
|
|
// CHECK: sub nuw i64
|
|
&x[r]
|
|
}
|
|
|
|
// CHECK-LABEL: @str_get_unchecked_by_range(
|
|
#[no_mangle]
|
|
pub unsafe fn str_get_unchecked_by_range(x: &str, r: Range<usize>) -> &str {
|
|
// CHECK: sub nuw i64
|
|
x.get_unchecked(r)
|
|
}
|
|
|
|
// CHECK-LABEL: @str_index_mut_by_range(
|
|
#[no_mangle]
|
|
pub fn str_index_mut_by_range(x: &mut str, r: Range<usize>) -> &mut str {
|
|
// CHECK: sub nuw i64
|
|
&mut x[r]
|
|
}
|
|
|
|
// CHECK-LABEL: @str_get_unchecked_mut_by_range(
|
|
#[no_mangle]
|
|
pub unsafe fn str_get_unchecked_mut_by_range(x: &mut str, r: Range<usize>) -> &mut str {
|
|
// CHECK: sub nuw i64
|
|
x.get_unchecked_mut(r)
|
|
}
|