1 // Copyright 2017 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 // min-llvm-version 4.0
17 // ignore 32-bit platforms (LLVM has a bug with them)
21 #![crate_type = "lib"]
25 // CHECK-LABEL: @is_empty_1
27 pub fn is_empty_1(xs: Iter<f32>) -> bool {
28 // CHECK-NOT: icmp eq float* {{.*}}, null
32 // CHECK-LABEL: @is_empty_2
34 pub fn is_empty_2(xs: Iter<f32>) -> bool {
35 // CHECK-NOT: icmp eq float* {{.*}}, null
36 xs.map(|&x| x).next().is_none()