41c9404133
CGU tests require CGU code to be exercised. We can't merely do "cargo check" on these tests.
49 lines
1.4 KiB
Rust
49 lines
1.4 KiB
Rust
// This test checks that the LTO phase is re-done for CGUs that import something
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// via ThinLTO and that imported thing changes while the definition of the CGU
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// stays untouched.
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// revisions: cfail1 cfail2 cfail3
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// compile-flags: -Z query-dep-graph -O
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// build-pass
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#![feature(rustc_attrs)]
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#![crate_type="rlib"]
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#![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-foo",
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cfg="cfail2",
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kind="no")]
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#![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-foo",
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cfg="cfail3",
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kind="post-lto")]
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#![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-bar",
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cfg="cfail2",
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kind="pre-lto")]
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#![rustc_expected_cgu_reuse(module="cgu_invalidated_via_import-bar",
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cfg="cfail3",
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kind="post-lto")]
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mod foo {
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// Trivial functions like this one are imported very reliably by ThinLTO.
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#[cfg(cfail1)]
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pub fn inlined_fn() -> u32 {
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1234
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}
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#[cfg(not(cfail1))]
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pub fn inlined_fn() -> u32 {
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// See `cgu_keeps_identical_fn.rs` for why this is different
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// from the other version of this function.
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12345
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}
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}
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pub mod bar {
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use foo::inlined_fn;
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pub fn caller() -> u32 {
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inlined_fn()
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}
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}
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