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Rollup merge of #84815 - richkadel:coverage-docs-update-2021-05, r=tmandry

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Update coverage docs and command line help

r? `@tmandry`
cc: `@wesleywiser`
This commit is contained in:
Yuki Okushi
2021-05-07 15:20:24 +09:00
committed by GitHub
parent 246e8d17ff 8075b28df1
commit 283ef86784
5 changed files with 385 additions and 331 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`)