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39 lines
978 B
Rust
39 lines
978 B
Rust
// compile-flags: -O -Zmerge-functions=disabled
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#![crate_type = "lib"]
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extern crate core;
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use core::cmp::Ordering;
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use core::num::{NonZeroU32, NonZeroI64};
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use core::ptr::NonNull;
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// See also tests/assembly/option-nonzero-eq.rs, for cases with `assume`s in the
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// LLVM and thus don't optimize down clearly here, but do in assembly.
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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<NonZeroU32>, r: Option<NonZeroU32>) -> 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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// CHECK-lABEL: @non_zero_signed_eq
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#[no_mangle]
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pub fn non_zero_signed_eq(l: Option<NonZeroI64>, r: Option<NonZeroI64>) -> bool {
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// CHECK: start:
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// CHECK-NEXT: icmp eq i64
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// CHECK-NEXT: ret i1
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l == r
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}
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// CHECK-lABEL: @non_null_eq
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#[no_mangle]
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pub fn non_null_eq(l: Option<NonNull<u8>>, r: Option<NonNull<u8>>) -> bool {
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// CHECK: start:
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// CHECK-NEXT: icmp eq ptr
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// CHECK-NEXT: ret i1
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l == r
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}
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