mirror of https://github.com/rust-lang/rust.git
28 lines
567 B
Rust
28 lines
567 B
Rust
#![feature(coverage_attribute)]
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//@ test-mir-pass: InstrumentCoverage
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//@ compile-flags: -Cinstrument-coverage -Zno-profiler-runtime -Zcoverage-options=branch
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// skip-filecheck
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enum Enum {
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A(u32),
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B(u32),
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C(u32),
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D(u32),
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}
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// EMIT_MIR branch_match_arms.main.InstrumentCoverage.diff
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fn main() {
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match Enum::A(0) {
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Enum::D(d) => consume(d),
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Enum::C(c) => consume(c),
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Enum::B(b) => consume(b),
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Enum::A(a) => consume(a),
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}
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}
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#[inline(never)]
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#[coverage(off)]
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fn consume(x: u32) {
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core::hint::black_box(x);
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}
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