// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

#![feature(rustc_attrs)]

#[rustc_mir]
fn test1(f: f32) -> bool {
    // test that we properly promote temporaries to allocas when a temporary is assigned to
    // multiple times (assignment is still happening once ∀ possible dataflows).
    !(f.is_nan() || f.is_infinite())
}

fn main() {
    assert_eq!(test1(0.0), true);
}