bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

coverage: Skip instrumenting a function if no spans were extracted

Browse source
This commit is contained in:
Zalathar 2023-12-12 13:18:15 +11:00
parent a96d57bdb6
commit dfa6441354
2 changed files with 15 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

7
compiler/rustc_mir_transform/src/coverage/mod.rs
View file

@ -99,12 +99,15 @@ impl<'a, 'tcx> Instrumentor<'a, 'tcx> {
fn inject_counters(&'a mut self) {
////////////////////////////////////////////////////
// Compute coverage spans from the `CoverageGraph`.
let coverage_spans = CoverageSpans::generate_coverage_spans(
let Some(coverage_spans) = CoverageSpans::generate_coverage_spans(
self.mir_body,
self.fn_sig_span,
self.body_span,
&self.basic_coverage_blocks,
);
) else {
// No relevant spans were found in MIR, so skip instrumenting this function.
return;
};
////////////////////////////////////////////////////
// Create an optimized mix of `Counter`s and `Expression`s for the `CoverageGraph`. Ensure