diff options
Diffstat (limited to 'src/test/mir-opt/coverage_graphviz.rs')
-rw-r--r-- | src/test/mir-opt/coverage_graphviz.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/mir-opt/coverage_graphviz.rs b/src/test/mir-opt/coverage_graphviz.rs new file mode 100644 index 000000000..09403bb3a --- /dev/null +++ b/src/test/mir-opt/coverage_graphviz.rs @@ -0,0 +1,20 @@ +// Test that `-C instrument-coverage` with `-Z dump-mir-graphviz` generates a graphviz (.dot file) +// rendering of the `BasicCoverageBlock` coverage control flow graph, with counters and +// expressions. + +// needs-profiler-support +// compile-flags: -C instrument-coverage -Z dump-mir-graphviz +// EMIT_MIR coverage_graphviz.main.InstrumentCoverage.0.dot +// EMIT_MIR coverage_graphviz.bar.InstrumentCoverage.0.dot +fn main() { + loop { + if bar() { + break; + } + } +} + +#[inline(never)] +fn bar() -> bool { + true +} |