| //@ 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 |
| //@ ignore-backends: gcc |
| |
| // 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); |
| } |
| } |
