ee7dc06cf1
Even though the coverage graph itself is no longer available during codegen, its nodes can still be used as opaque IDs.
32 lines
859 B
Rust
32 lines
859 B
Rust
// Test that `-C instrument-coverage` injects Coverage statements.
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// The Coverage::CounterIncrement statements are later converted into LLVM
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// instrprof.increment intrinsics, during codegen.
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//@ test-mir-pass: InstrumentCoverage
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//@ compile-flags: -Cinstrument-coverage -Zno-profiler-runtime
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// EMIT_MIR instrument_coverage.main.InstrumentCoverage.diff
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// CHECK-LABEL: fn main()
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// CHECK: coverage body span:
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// CHECK: coverage Code { bcb: bcb{{[0-9]+}} } =>
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// CHECK: bb0:
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// CHECK: Coverage::CounterIncrement
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fn main() {
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loop {
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if bar() {
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break;
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}
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}
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}
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// EMIT_MIR instrument_coverage.bar.InstrumentCoverage.diff
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// CHECK-LABEL: fn bar()
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// CHECK: coverage body span:
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// CHECK: coverage Code { bcb: bcb{{[0-9]+}} } =>
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// CHECK: bb0:
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// CHECK: Coverage::CounterIncrement
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#[inline(never)]
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fn bar() -> bool {
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true
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}
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