mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-11 16:15:03 +00:00
29 lines
796 B
Rust
29 lines
796 B
Rust
//@ run-pass
|
|
|
|
//@ compile-flags: -C codegen-units=8 -O -C lto=thin
|
|
//@ aux-build:thin-lto-inlines-aux.rs
|
|
//@ no-prefer-dynamic
|
|
//@ ignore-emscripten can't inspect instructions on emscripten
|
|
|
|
// We want to assert here that ThinLTO will inline across codegen units. There's
|
|
// not really a great way to do that in general so we sort of hack around it by
|
|
// praying two functions go into separate codegen units and then assuming that
|
|
// if inlining *doesn't* happen the first byte of the functions will differ.
|
|
|
|
extern crate thin_lto_inlines_aux as bar;
|
|
|
|
pub fn foo() -> u32 {
|
|
bar::bar()
|
|
}
|
|
|
|
fn main() {
|
|
println!("{} {}", foo(), bar::bar());
|
|
|
|
unsafe {
|
|
let foo = foo as usize as *const u8;
|
|
let bar = bar::bar as usize as *const u8;
|
|
|
|
assert_eq!(*foo, *bar);
|
|
}
|
|
}
|