rust/tests/codegen/option-niche-eq.rs

75 lines
1.6 KiB
Rust

//@ compile-flags: -O -Zmerge-functions=disabled
//@ min-llvm-version: 18
#![crate_type = "lib"]
extern crate core;
use core::cmp::Ordering;
use core::num::NonZero;
use core::ptr::NonNull;
// CHECK-LABEL: @non_zero_eq
#[no_mangle]
pub fn non_zero_eq(l: Option<NonZero<u32>>, r: Option<NonZero<u32>>) -> bool {
// CHECK: start:
// CHECK-NEXT: icmp eq i32
// CHECK-NEXT: ret i1
l == r
}
// CHECK-LABEL: @non_zero_signed_eq
#[no_mangle]
pub fn non_zero_signed_eq(l: Option<NonZero<i64>>, r: Option<NonZero<i64>>) -> bool {
// CHECK: start:
// CHECK-NEXT: icmp eq i64
// CHECK-NEXT: ret i1
l == r
}
// CHECK-LABEL: @non_null_eq
#[no_mangle]
pub fn non_null_eq(l: Option<NonNull<u8>>, r: Option<NonNull<u8>>) -> bool {
// CHECK: start:
// CHECK-NEXT: icmp eq ptr
// CHECK-NEXT: ret i1
l == r
}
// CHECK-LABEL: @ordering_eq
#[no_mangle]
pub fn ordering_eq(l: Option<Ordering>, r: Option<Ordering>) -> bool {
// CHECK: start:
// CHECK-NEXT: icmp eq i8
// CHECK-NEXT: ret i1
l == r
}
#[derive(PartialEq)]
pub enum EnumWithNiche {
A,
B,
C,
D,
E,
F,
G,
}
// CHECK-LABEL: @niche_eq
#[no_mangle]
pub fn niche_eq(l: Option<EnumWithNiche>, r: Option<EnumWithNiche>) -> bool {
// CHECK: start:
// CHECK-NEXT: icmp eq i8
// CHECK-NEXT: ret i1
l == r
}
// FIXME: This should work too
// // FIXME-CHECK-LABEL: @bool_eq
// #[no_mangle]
// pub fn bool_eq(l: Option<bool>, r: Option<bool>) -> bool {
// // FIXME-CHECK: start:
// // FIXME-CHECK-NEXT: icmp eq i8
// // FIXME-CHECK-NEXT: ret i1
// l == r
// }