rustc_codegen_ssa/traits/
coverageinfo.rs

1use rustc_middle::mir::coverage::CoverageKind;
2use rustc_middle::ty::Instance;
3
4pub trait CoverageInfoBuilderMethods<'tcx> {
5    /// Performs any start-of-function codegen needed for coverage instrumentation.
6    ///
7    /// Can be a no-op in backends that don't support coverage instrumentation.
8    fn init_coverage(&mut self, _instance: Instance<'tcx>) {}
9
10    /// Handle the MIR coverage info in a backend-specific way.
11    ///
12    /// This can potentially be a no-op in backends that don't support
13    /// coverage instrumentation.
14    fn add_coverage(&mut self, instance: Instance<'tcx>, kind: &CoverageKind);
15}