rust/src/test/mir-opt/deaggregator_test.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.

struct Baz {
    x: usize,
    y: f32,
    z: bool,
}

fn bar(a: usize) -> Baz {
    Baz { x: a, y: 0.0, z: false }
}

fn main() {
    // Make sure the function actually gets instantiated.
    bar(0);
}

// END RUST SOURCE
// START rustc.bar.Deaggregator.before.mir
// bb0: {
//     ...
//     _2 = _1;
//     ...
//     _0 = Baz { x: _2, y: const 0f32, z: const false };
//     ...
//     return;
// }
// END rustc.bar.Deaggregator.before.mir
// START rustc.bar.Deaggregator.after.mir
// bb0: {
//     ...
//     _2 = _1;
//     ...
//     (_0.0: usize) = _2;
//     (_0.1: f32) = const 0f32;
//     (_0.2: bool) = const false;
//     ...
//     return;
// }
// END rustc.bar.Deaggregator.after.mir