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Update coverage docs and command line help

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This commit is contained in:
Rich Kadel 2021-05-02 18:25:57 -07:00
parent 603a42ec54
commit f58a362d18
4 changed files with 132 additions and 83 deletions
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2
compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
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@ -249,7 +249,7 @@ 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`)