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25 lines
616 B
Rust
25 lines
616 B
Rust
//@ should-fail
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//@ compile-flags: -Copt-level=3 -Zmerge-functions=disabled
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//! FIXME(#49892)
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//! Test that the derived implementation of `PartialEq` for `Option` is not fully
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//! optimized by LLVM. If this starts passing, the test and manual impl should
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//! be removed.
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#![crate_type = "lib"]
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use std::num::NonZero;
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#[derive(Copy, Clone, PartialEq, Eq)]
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pub enum Option<T> {
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None,
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Some(T),
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}
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// CHECK-LABEL: @non_zero_eq
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#[no_mangle]
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pub fn non_zero_eq(l: Option<NonZero<u32>>, r: Option<NonZero<u32>>) -> bool {
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// CHECK: start:
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// CHECK-NEXT: icmp eq i32
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// CHECK-NEXT: ret i1
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l == r
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}
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