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authorbors <bors@rust-lang.org>2021-05-07 07:44:53 +0000
committerbors <bors@rust-lang.org>2021-05-07 07:44:53 +0000
commitac888e8675182c703c2cd097957878faf88dad94 (patch)
tree8285c87d06d7609b41fe410ad6900c5ab02f7d61 /compiler/rustc_codegen_llvm/src
parent1773f14a24c49356b384e45ebb45643bc9bef2c4 (diff)
parent87faf2e64f11ed3e1271af890a181b191fbb77a1 (diff)
downloadrust-ac888e8675182c703c2cd097957878faf88dad94.tar.gz
rust-ac888e8675182c703c2cd097957878faf88dad94.zip
Auto merge of #85022 - JohnTitor:rollup-2q4706v, r=JohnTitor
Rollup of 9 pull requests

Successful merges:

 - #84779 (Add support for --test-args to cargotest)
 - #84781 (Don't check bootstrap artifacts by default)
 - #84787 (bump deps)
 - #84815 (Update coverage docs and command line help)
 - #84875 (Removes unneeded check of `#[no_coverage]` in mapgen)
 - #84897 (Coverage instruments closure bodies in macros (not the macro body))
 - #84911 (Retry clang+llvm download)
 - #84972 (CTFE inbounds-error-messages tweak)
 - #84990 (Sort rustdoc-gui tests)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
-rw-r--r--compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs10
1 files changed, 3 insertions, 7 deletions
diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
index 1faaa7e86f6..30f125ca3be 100644
--- a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
+++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
@@ -8,7 +8,6 @@ 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_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`)
@@ -281,11 +280,8 @@ fn add_unused_functions<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) {
 
     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);