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path: root/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
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-rw-r--r--llvm/lib/ProfileData/Coverage/CoverageMapping.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp b/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
index 921372b..ac0793d 100644
--- a/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
+++ b/llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
@@ -207,8 +207,10 @@ Error CoverageMapping::loadFunctionRecord(
else
OrigFuncName = getFuncNameWithoutPrefix(OrigFuncName, Record.Filenames[0]);
- // Don't load records for functions we've already seen.
- if (!FunctionNames.insert(OrigFuncName).second)
+ // Don't load records for (filenames, function) pairs we've already seen.
+ auto FilenamesHash = hash_combine_range(Record.Filenames.begin(),
+ Record.Filenames.end());
+ if (!RecordProvenance[FilenamesHash].insert(hash_value(OrigFuncName)).second)
return Error::success();
CounterMappingContext Ctx(Record.Expressions);