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For PGO/coverage tests that don't need to build or run an actual artifact, we can use `-Zno-profiler-runtime` to run the test even when the profiler runtime is not available.
20 lines
535 B
Rust
20 lines
535 B
Rust
// Checks that naked functions are not instrumented by -Cinstrument-coverage.
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// Regression test for issue #105170.
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//
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//@ needs-asm-support
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//@ compile-flags: -Zno-profiler-runtime
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//@ compile-flags: -Cinstrument-coverage
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#![crate_type = "lib"]
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#![feature(naked_functions)]
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use std::arch::asm;
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#[naked]
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#[no_mangle]
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pub unsafe extern "C" fn f() {
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// CHECK: define {{(dso_local )?}}void @f()
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// CHECK-NEXT: start:
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// CHECK-NEXT: call void asm
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// CHECK-NEXT: unreachable
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asm!("", options(noreturn));
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}
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