beaf9d1c14
Without suitable `needs-llvm-components` directives, these tests that rely on target-specific codegen can fail if used with a LLVM that is built without the required components.
22 lines
905 B
Rust
22 lines
905 B
Rust
// ARM Cortex-M are a class of processors supported by the rust compiler. However, they cannot
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// support any atomic features, such as Arc. This test simply prints the configuration details of
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// one Cortex target, and checks that the compiler does not falsely list atomic support.
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// See <https://github.com/rust-lang/rust/pull/36874>.
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// ignore-tidy-linelength
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//@ needs-llvm-components: arm
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// Note: without the needs-llvm-components it will fail on LLVM built without all of the components
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// listed above. If any new targets are added, please double-check their respective llvm components
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// are specified above.
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use run_make_support::rustc;
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// The target used below doesn't support atomic CAS operations. Verify that's the case
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fn main() {
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rustc()
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.print("cfg")
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.target("thumbv6m-none-eabi")
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.run()
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.assert_stdout_not_contains(r#"target_has_atomic="ptr""#);
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}
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