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[DWARFLinker] Avoid repeated hash lookups (NFC) #110377

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Merged
merged 1 commit into from
Sep 28, 2024
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[DWARFLinker] Avoid repeated hash lookups (NFC) #110377

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8 changes: 4 additions & 4 deletions llvm/include/llvm/DWARFLinker/Classic/DWARFLinkerDeclContext.h
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Original file line number Diff line number Diff line change
Expand Up @@ -42,15 +42,15 @@ class CachedPathResolver {

// If the ParentPath has not yet been resolved, resolve and cache it for
// future look-ups.
if (!ResolvedPaths.count(ParentPath)) {
auto [It, Inserted] = ResolvedPaths.try_emplace(ParentPath);
if (Inserted) {
SmallString<256> RealPath;
sys::fs::real_path(ParentPath, RealPath);
ResolvedPaths.insert(
{ParentPath, std::string(RealPath.c_str(), RealPath.size())});
It->second = std::string(RealPath);
}

// Join the file name again with the resolved path.
SmallString<256> ResolvedPath(ResolvedPaths[ParentPath]);
SmallString<256> ResolvedPath(It->second);
sys::path::append(ResolvedPath, FileName);
return StringPool.internString(ResolvedPath);
}
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