rust/src/test/mir-opt/deaggregator_test_multiple.rs

59 lines
1.3 KiB
Rust
Raw Normal View History

// 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.
// Test that deaggregate fires more than once per block
enum Foo {
A(i32),
B,
}
fn test(x: i32) -> [Foo; 2] {
[Foo::A(x), Foo::A(x)]
}
fn main() { }
// END RUST SOURCE
// START rustc.node10.Deaggregator.before.mir
// bb0: {
// ...
// _2 = _1;
// ...
// _4 = _2;
// _3 = Foo::A(_4,);
// ...
// _6 = _2;
// _5 = Foo::A(_6,);
// ...
// _0 = [_3, _5];
// ...
// return;
// }
// END rustc.node10.Deaggregator.before.mir
// START rustc.node10.Deaggregator.after.mir
// bb0: {
// ...
// _2 = _1;
// ...
// _4 = _2;
// ((_3 as A).0: i32) = _4;
// discriminant(_3) = 0;
// ...
// _6 = _2;
// ((_5 as A).0: i32) = _6;
// discriminant(_5) = 0;
// ...
// _0 = [_3, _5];
// ...
// return;
// }
// END rustc.node10.Deaggregator.after.mir