| // This test checks that the LTO phase is re-done for CGUs that import something |
| // via ThinLTO and that imported thing changes while the definition of the CGU |
| // stays untouched. |
| |
| // revisions: cfail1 cfail2 cfail3 |
| // compile-flags: -Z query-dep-graph -O |
| // build-pass (FIXME(62277): could be check-pass?) |
| |
| #![feature(rustc_attrs)] |
| #![crate_type="rlib"] |
| |
| #![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-foo", |
| cfg="cfail2", |
| kind="no")] |
| #![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-foo", |
| cfg="cfail3", |
| kind="post-lto")] |
| |
| #![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-bar", |
| cfg="cfail2", |
| kind="pre-lto")] |
| #![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-bar", |
| cfg="cfail3", |
| kind="post-lto")] |
| |
| mod foo { |
| |
| // Trivial functions like this one are imported very reliably by ThinLTO. |
| #[cfg(cfail1)] |
| pub fn inlined_fn() -> u32 { |
| 1234 |
| } |
| |
| #[cfg(not(cfail1))] |
| pub fn inlined_fn() -> u32 { |
| 1234 |
| } |
| } |
| |
| pub mod bar { |
| use foo::inlined_fn; |
| |
| pub fn caller() -> u32 { |
| inlined_fn() |
| } |
| } |