New upstream version 1.54.0+dfsg1

[rustc.git] / compiler / rustc_codegen_llvm / src / coverageinfo / mapgen.rs

diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
index 1faaa7e86f619ae300031dd51772c7ab990740fa..d2a2e739ff31ef450117a7729737b14e4fcef61c 100644 (file)
--- a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
+++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
@@ -6,9 +6,8 @@ use llvm::coverageinfo::CounterMappingRegion;
 use rustc_codegen_ssa::coverageinfo::map::{Counter, CounterExpression};
 use rustc_codegen_ssa::traits::{ConstMethods, CoverageInfoMethods};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexSet};
-use rustc_hir::def_id::{DefId, DefIdSet, LOCAL_CRATE};
+use rustc_hir::def_id::{DefId, DefIdSet};
 use rustc_llvm::RustString;
-use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc_middle::mir::coverage::CodeRegion;
 use rustc_span::Symbol;
 
@@ -249,7 +248,7 @@ fn save_function_record(
 ///
 /// We can find the unused functions (including generic functions) by the set difference of all MIR
 /// `DefId`s (`tcx` query `mir_keys`) minus the codegenned `DefId`s (`tcx` query
-/// `collect_and_partition_mono_items`).
+/// `codegened_and_inlined_items`).
 ///
 /// *HOWEVER* the codegenned `DefId`s are partitioned across multiple `CodegenUnit`s (CGUs), and
 /// this function is processing a `function_coverage_map` for the functions (`Instance`/`DefId`)
@@ -266,7 +265,7 @@ fn add_unused_functions<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) {
     let ignore_unused_generics = tcx.sess.instrument_coverage_except_unused_generics();
 
     let all_def_ids: DefIdSet = tcx
-        .mir_keys(LOCAL_CRATE)
+        .mir_keys(())
         .iter()
         .filter_map(|local_def_id| {
             let def_id = local_def_id.to_def_id();
@@ -277,15 +276,12 @@ fn add_unused_functions<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) {
         })
         .collect();
 
-    let codegenned_def_ids = tcx.codegened_and_inlined_items(LOCAL_CRATE);
+    let codegenned_def_ids = tcx.codegened_and_inlined_items(());
 
     let mut unused_def_ids_by_file: FxHashMap<Symbol, Vec<DefId>> = FxHashMap::default();
     for &non_codegenned_def_id in all_def_ids.difference(codegenned_def_ids) {
-        let codegen_fn_attrs = tcx.codegen_fn_attrs(non_codegenned_def_id);
-        if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NO_COVERAGE) {
-            continue;
-        }
-        // Make sure the non-codegenned (unused) function has a file_name
+        // Make sure the non-codegenned (unused) function has at least one MIR
+        // `Coverage` statement with a code region, and return its file name.
         if let Some(non_codegenned_file_name) = tcx.covered_file_name(non_codegenned_def_id) {
             let def_ids =
                 unused_def_ids_by_file.entry(*non_codegenned_file_name).or_insert_with(Vec::new);