From 81ed042c8cc4a1bd677c9209cf9edca6b91af04a Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 6 Aug 2025 22:02:01 +1000 Subject: coverage: Remove all unstable support for MC/DC instrumentation --- compiler/rustc_codegen_ssa/src/mir/mod.rs | 4 ---- compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs | 5 ----- 2 files changed, 9 deletions(-) (limited to 'compiler/rustc_codegen_ssa/src') diff --git a/compiler/rustc_codegen_ssa/src/mir/mod.rs b/compiler/rustc_codegen_ssa/src/mir/mod.rs index 50d0f910744..06873313e2e 100644 --- a/compiler/rustc_codegen_ssa/src/mir/mod.rs +++ b/compiler/rustc_codegen_ssa/src/mir/mod.rs @@ -296,10 +296,6 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( // Apply debuginfo to the newly allocated locals. fx.debug_introduce_locals(&mut start_bx, consts_debug_info.unwrap_or_default()); - // If the backend supports coverage, and coverage is enabled for this function, - // do any necessary start-of-function codegen (e.g. locals for MC/DC bitmaps). - start_bx.init_coverage(instance); - // The builders will be created separately for each basic block at `codegen_block`. // So drop the builder of `start_llbb` to avoid having two at the same time. drop(start_bx); diff --git a/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs b/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs index 0b513dac503..31482a53b6d 100644 --- a/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs +++ b/compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs @@ -2,11 +2,6 @@ use rustc_middle::mir::coverage::CoverageKind; use rustc_middle::ty::Instance; pub trait CoverageInfoBuilderMethods<'tcx> { - /// Performs any start-of-function codegen needed for coverage instrumentation. - /// - /// Can be a no-op in backends that don't support coverage instrumentation. - fn init_coverage(&mut self, _instance: Instance<'tcx>) {} - /// Handle the MIR coverage info in a backend-specific way. /// /// This can potentially be a no-op in backends that don't support -- cgit 1.4.1-3-g733a5