1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
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.
11 // compile-flags: -Z thinlto -C codegen-units=8 -O
12 // min-llvm-version 4.0
13 // ignore-emscripten can't inspect instructions on emscripten
15 // We want to assert here that ThinLTO will inline across codegen units. There's
16 // not really a great way to do that in general so we sort of hack around it by
17 // praying two functions go into separate codegen units and then assuming that
18 // if inlining *doesn't* happen the first byte of the functions will differ.
31 println!("{} {}", foo(), bar::bar());
34 let foo = foo as usize as *const u8;
35 let bar = bar::bar as usize as *const u8;
37 assert_eq!(*foo, *bar);