[rustc.git] / src / test / run-pass / mir_temp_promotions.rs

// 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.

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);
}
Commit	Line	Data
7453a54e	1	// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
223e47cc LB	2	// file at the top-level directory of this distribution and at
	3	// http://rust-lang.org/COPYRIGHT.
	4	//
	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.
	10
7453a54e SL	11	fn test1(f: f32) -> bool {
	12	// test that we properly promote temporaries to allocas when a temporary is assigned to
	13	// multiple times (assignment is still happening once ∀ possible dataflows).
	14	!(f.is_nan() \|\| f.is_infinite())
	15	}
e9174d1e	16
7453a54e SL	17	fn main() {
	18	assert_eq!(test1(0.0), true);
	19	}