1 // The `derive(PartialOrd)` for a newtype doesn't override `lt`/`le`/`gt`/`ge`.
2 // This double-checks that the `Option<Ordering>` intermediate values used
3 // in the operators for such a type all optimize away.
5 // compile-flags: -C opt-level=1
6 // min-llvm-version: 15.0
10 use std::cmp::Ordering;
12 #[derive(PartialOrd, PartialEq)]
15 // CHECK-LABEL: @check_lt
16 // CHECK-SAME: (i16 %[[A:.+]], i16 %[[B:.+]])
18 pub fn check_lt(a: Foo, b: Foo) -> bool {
19 // CHECK: %[[R:.+]] = icmp ult i16 %[[A]], %[[B]]
20 // CHECK-NEXT: ret i1 %[[R]]
24 // CHECK-LABEL: @check_le
25 // CHECK-SAME: (i16 %[[A:.+]], i16 %[[B:.+]])
27 pub fn check_le(a: Foo, b: Foo) -> bool {
28 // CHECK: %[[R:.+]] = icmp ule i16 %[[A]], %[[B]]
29 // CHECK-NEXT: ret i1 %[[R]]
33 // CHECK-LABEL: @check_gt
34 // CHECK-SAME: (i16 %[[A:.+]], i16 %[[B:.+]])
36 pub fn check_gt(a: Foo, b: Foo) -> bool {
37 // CHECK: %[[R:.+]] = icmp ugt i16 %[[A]], %[[B]]
38 // CHECK-NEXT: ret i1 %[[R]]
42 // CHECK-LABEL: @check_ge
43 // CHECK-SAME: (i16 %[[A:.+]], i16 %[[B:.+]])
45 pub fn check_ge(a: Foo, b: Foo) -> bool {
46 // CHECK: %[[R:.+]] = icmp uge i16 %[[A]], %[[B]]
47 // CHECK-NEXT: ret i1 %[[R]]