1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // compile-flags: -C no-prepopulate-passes
13 #![crate_type = "lib"]
14 #![feature(core_intrinsics)]
16 use std::intrinsics::{likely,unlikely};
19 pub fn check_likely(x: i32, y: i32) -> Option<i32> {
21 // CHECK: call i1 @llvm.expect.i1(i1 %{{.*}}, i1 true)
31 pub fn check_unlikely(x: i32, y: i32) -> Option<i32> {
33 // CHECK: call i1 @llvm.expect.i1(i1 %{{.*}}, i1 false)