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// run-pass
// compile-flags: -Z thinlto -C codegen-units=8 -O
// 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.
pub fn foo() -> u32 {
bar::bar()
}
mod bar {
pub fn bar() -> u32 {
3
}
}
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);
}
}
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