[PATCH] D89761: Split out llvm/Support/FileSystem/UniqueID.h and clang/Basic/FileEntry.h, NFC

[Reid Kleckner via Phabricator via llvm-commits]

rnk added a comment.

I just saw this in passing. Thanks a lot, I had noticed that Filesystem.h is super expensive.



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Comment at: llvm/include/llvm/Support/FileSystem/UniqueID.h:36
+  bool operator<(const UniqueID &Other) const {
+    return std::tie(Device, File) < std::tie(Other.Device, Other.File);
+  }
----------------
FYI std::tie is pretty expensive to compile, unfortunately. You also might technically need to include some STL header for it here.


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https://reviews.llvm.org/D89761