diff options
author | Sam McCall <sam.mccall@gmail.com> | 2017-12-21 20:11:46 +0000 |
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committer | Sam McCall <sam.mccall@gmail.com> | 2017-12-21 20:11:46 +0000 |
commit | 0b28f17494261c09224595a4d244e32d45c2ce49 (patch) | |
tree | a51aaaa85ae5459cb19dcd6c6a789bfb6b3895d5 | |
parent | d9ff4debf15c9a939c8e47397e4b7931cde1db57 (diff) |
[clangd] Don't re-hash SymbolID in maps, just use the SHA1 data
git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@321302 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | clangd/index/Index.cpp | 2 | ||||
-rw-r--r-- | clangd/index/Index.h | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/clangd/index/Index.cpp b/clangd/index/Index.cpp index 95ecb6b1..cac3ceab 100644 --- a/clangd/index/Index.cpp +++ b/clangd/index/Index.cpp @@ -24,7 +24,7 @@ llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const SymbolID &ID) { void operator>>(llvm::StringRef Str, SymbolID &ID) { std::string HexString = fromHex(Str); - assert(HexString.size() == 20); + assert(HexString.size() == ID.HashValue.size()); std::copy(HexString.begin(), HexString.end(), ID.HashValue.begin()); } diff --git a/clangd/index/Index.h b/clangd/index/Index.h index f0414bf7..1816d79f 100644 --- a/clangd/index/Index.h +++ b/clangd/index/Index.h @@ -52,7 +52,9 @@ public: private: friend llvm::hash_code hash_value(const SymbolID &ID) { - return hash_value(ArrayRef<uint8_t>(ID.HashValue)); + // We already have a good hash, just return the first bytes. + static_assert(sizeof(size_t) <= 20, "size_t longer than SHA1!"); + return *reinterpret_cast<const size_t *>(ID.HashValue.data()); } friend llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const SymbolID &ID); |