1 files changed, 6 insertions, 52 deletions
diff --git a/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs b/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs
index e77201cf0..7e8de0ddc 100644
--- a/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs
@@ -1,57 +1,11 @@
 use super::BackendTypes;
-use rustc_hir::def_id::DefId;
-use rustc_middle::mir::coverage::*;
+use rustc_middle::mir::Coverage;
 use rustc_middle::ty::Instance;
 
-pub trait CoverageInfoMethods<'tcx>: BackendTypes {
-    fn coverageinfo_finalize(&self);
-
-    /// Codegen a small function that will never be called, with one counter
-    /// that will never be incremented, that gives LLVM coverage tools a
-    /// function definition it needs in order to resolve coverage map references
-    /// to unused functions. This is necessary so unused functions will appear
-    /// as uncovered (coverage execution count `0`) in LLVM coverage reports.
-    fn define_unused_fn(&self, def_id: DefId);
-
-    /// For LLVM codegen, returns a function-specific `Value` for a global
-    /// string, to hold the function name passed to LLVM intrinsic
-    /// `instrprof.increment()`. The `Value` is only created once per instance.
-    /// Multiple invocations with the same instance return the same `Value`.
-    fn get_pgo_func_name_var(&self, instance: Instance<'tcx>) -> Self::Value;
-}
-
 pub trait CoverageInfoBuilderMethods<'tcx>: BackendTypes {
-    /// Returns true if the function source hash was added to the coverage map (even if it had
-    /// already been added, for this instance). Returns false *only* if `-C instrument-coverage` is
-    /// not enabled (a coverage map is not being generated).
-    fn set_function_source_hash(
-        &mut self,
-        instance: Instance<'tcx>,
-        function_source_hash: u64,
-    ) -> bool;
-
-    /// Returns true if the counter was added to the coverage map; false if `-C instrument-coverage`
-    /// is not enabled (a coverage map is not being generated).
-    fn add_coverage_counter(
-        &mut self,
-        instance: Instance<'tcx>,
-        index: CounterValueReference,
-        region: CodeRegion,
-    ) -> bool;
-
-    /// Returns true if the expression was added to the coverage map; false if
-    /// `-C instrument-coverage` is not enabled (a coverage map is not being generated).
-    fn add_coverage_counter_expression(
-        &mut self,
-        instance: Instance<'tcx>,
-        id: InjectedExpressionId,
-        lhs: ExpressionOperandId,
-        op: Op,
-        rhs: ExpressionOperandId,
-        region: Option<CodeRegion>,
-    ) -> bool;
-
-    /// Returns true if the region was added to the coverage map; false if `-C instrument-coverage`
-    /// is not enabled (a coverage map is not being generated).
-    fn add_coverage_unreachable(&mut self, instance: Instance<'tcx>, region: CodeRegion) -> bool;
+    /// Handle the MIR coverage info in a backend-specific way.
+    ///
+    /// This can potentially be a no-op in backends that don't support
+    /// coverage instrumentation.
+    fn add_coverage(&mut self, instance: Instance<'tcx>, coverage: &Coverage);
 }