24 lines
1008 B
Rust
24 lines
1008 B
Rust
// Emitting dep-info files used to not have any mention of PGO profiles used
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// in compilation, which meant these profiles could be changed without consequence.
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// After changing this in #100801, this test checks that the profile data is successfully
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// included in dep-info emit files.
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// See https://github.com/rust-lang/rust/pull/100801
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//@ ignore-cross-compile
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// Reason: the binary is executed
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//@ needs-profiler-support
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use run_make_support::{llvm_profdata, rfs, run, rustc};
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fn main() {
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// Generate the profile-guided-optimization (PGO) profiles
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rustc().profile_generate("profiles").input("main.rs").run();
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// Merge the profiles
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run("main");
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llvm_profdata().merge().output("merged.profdata").input("profiles").run();
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// Use the profiles in compilation
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rustc().profile_use("merged.profdata").emit("dep-info").input("main.rs").run();
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// Check that the profile file is in the dep-info emit file
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assert!(rfs::read_to_string("main.d").contains("merged.profdata"));
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}
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