| //@ should-fail |
| //@ compile-flags: -Copt-level=3 -Zmerge-functions=disabled |
| //! FIXME(#49892) |
| //! Test that the derived implementation of `PartialEq` for `Option` is not fully |
| //! optimized by LLVM. If this starts passing, the test and manual impl should |
| //! be removed. |
| #![crate_type = "lib"] |
| |
| use std::num::NonZero; |
| |
| #[derive(Copy, Clone, PartialEq, Eq)] |
| pub enum Option<T> { |
| None, |
| Some(T), |
| } |
| |
| // 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 |
| } |
