Files
rust/tests/incremental/thinlto/cgu_invalidated_via_import.rs
T
Zalathar 793c646b7b Migrate bfail/build-pass tests to bpass (1/2)
This is the subset of incremental tests that should continue to use `bpass`
even after `cpass` is supported, because they (presumably) involve codegen.
2026-04-22 12:28:25 +10:00

49 lines
1.5 KiB
Rust

// 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: bpass1 bpass2 bpass3
//@ compile-flags: -Z query-dep-graph -O
//@ ignore-backends: gcc
#![feature(rustc_attrs)]
#![crate_type="rlib"]
#![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-foo",
cfg="bpass2",
kind="no")]
#![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-foo",
cfg="bpass3",
kind="pre-lto")] // Should be "post-lto", see issue #119076
#![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-bar",
cfg="bpass2",
kind="pre-lto")]
#![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-bar",
cfg="bpass3",
kind="pre-lto")] // Should be "post-lto", see issue #119076
mod foo {
// Trivial functions like this one are imported very reliably by ThinLTO.
#[cfg(bpass1)]
pub fn inlined_fn() -> u32 {
1234
}
#[cfg(not(bpass1))]
pub fn inlined_fn() -> u32 {
// See `cgu_keeps_identical_fn.rs` for why this is different
// from the other version of this function.
12345
}
}
pub mod bar {
use foo::inlined_fn;
pub fn caller() -> u32 {
inlined_fn()
}
}