From abc2c702af0b7b2eb36fb35839a322f5789af141 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Mon, 17 Jun 2024 20:09:45 +1000 Subject: coverage: Add debugging flag `-Zcoverage-options=no-mir-spans` When set, this flag skips the code that normally extracts coverage spans from MIR statements and terminators. That sometimes makes it easier to debug branch coverage and MC/DC coverage, because the coverage output is less noisy. For internal debugging only. If other code changes would make it hard to keep supporting this flag, remove it. --- compiler/rustc_mir_transform/src/coverage/mod.rs | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'compiler/rustc_mir_transform/src/coverage/mod.rs') diff --git a/compiler/rustc_mir_transform/src/coverage/mod.rs b/compiler/rustc_mir_transform/src/coverage/mod.rs index 419e39bc386..4a64d21f3d1 100644 --- a/compiler/rustc_mir_transform/src/coverage/mod.rs +++ b/compiler/rustc_mir_transform/src/coverage/mod.rs @@ -71,8 +71,12 @@ fn instrument_function_for_coverage<'tcx>(tcx: TyCtxt<'tcx>, mir_body: &mut mir: //////////////////////////////////////////////////// // Extract coverage spans and other mapping info from MIR. - let extracted_mappings = - mappings::extract_all_mapping_info_from_mir(mir_body, &hir_info, &basic_coverage_blocks); + let extracted_mappings = mappings::extract_all_mapping_info_from_mir( + tcx, + mir_body, + &hir_info, + &basic_coverage_blocks, + ); //////////////////////////////////////////////////// // Create an optimized mix of `Counter`s and `Expression`s for the `CoverageGraph`. Ensure -- cgit 1.4.1-3-g733a5