mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-30 20:44:34 +00:00
29 lines
587 B
Rust
29 lines
587 B
Rust
// This is test for more optimal Ord implementation for integers.
|
|
// See <https://github.com/rust-lang/rust/issues/63758> for more info.
|
|
|
|
//@ compile-flags: -C opt-level=3
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
use std::cmp::Ordering;
|
|
|
|
// CHECK-LABEL: @cmp_signed
|
|
#[no_mangle]
|
|
pub fn cmp_signed(a: i64, b: i64) -> Ordering {
|
|
// CHECK: icmp slt
|
|
// CHECK: icmp ne
|
|
// CHECK: zext i1
|
|
// CHECK: select i1
|
|
a.cmp(&b)
|
|
}
|
|
|
|
// CHECK-LABEL: @cmp_unsigned
|
|
#[no_mangle]
|
|
pub fn cmp_unsigned(a: u32, b: u32) -> Ordering {
|
|
// CHECK: icmp ult
|
|
// CHECK: icmp ne
|
|
// CHECK: zext i1
|
|
// CHECK: select i1
|
|
a.cmp(&b)
|
|
}
|