| // 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 in more than one basic block |
| |
| enum Foo { |
| A(i32), |
| B(i32), |
| } |
| |
| fn test1(x: bool, y: i32) -> Foo { |
| if x { |
| Foo::A(y) |
| } else { |
| Foo::B(y) |
| } |
| } |
| |
| fn main() { |
| // Make sure the function actually gets instantiated. |
| test1(false, 0); |
| } |
| |
| // END RUST SOURCE |
| // START rustc.test1.Deaggregator.before.mir |
| // bb1: { |
| // StorageLive(_4); |
| // _4 = _2; |
| // _0 = Foo::A(move _4,); |
| // StorageDead(_4); |
| // goto -> bb3; |
| // } |
| // bb2: { |
| // StorageLive(_5); |
| // _5 = _2; |
| // _0 = Foo::B(move _5,); |
| // StorageDead(_5); |
| // goto -> bb3; |
| // } |
| // END rustc.test1.Deaggregator.before.mir |
| // START rustc.test1.Deaggregator.after.mir |
| // bb1: { |
| // StorageLive(_4); |
| // _4 = _2; |
| // ((_0 as A).0: i32) = move _4; |
| // discriminant(_0) = 0; |
| // StorageDead(_4); |
| // goto -> bb3; |
| // } |
| // bb2: { |
| // StorageLive(_5); |
| // _5 = _2; |
| // ((_0 as B).0: i32) = move _5; |
| // discriminant(_0) = 1; |
| // StorageDead(_5); |
| // goto -> bb3; |
| // } |
| // END rustc.test1.Deaggregator.after.mir |
| // |