diff options
| -rw-r--r-- | include/llvm/ADT/Hashing.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/llvm/ADT/Hashing.h b/include/llvm/ADT/Hashing.h index 27c411e322..682dc223e2 100644 --- a/include/llvm/ADT/Hashing.h +++ b/include/llvm/ADT/Hashing.h @@ -142,6 +142,7 @@ private: } // Add a range of bytes from I to E. + template<bool ElementsHaveEvenLength> void addBytes(const char *I, const char *E) { uint32_t Data; // Note that aliasing rules forbid us from dereferencing @@ -154,7 +155,7 @@ private: std::memcpy(&Data, I, sizeof Data); mix(Data); } - if (I != E) { + if (!ElementsHaveEvenLength && I != E) { Data = 0; std::memcpy(&Data, I, E - I); mix(Data); @@ -164,8 +165,9 @@ private: // Add a range of bits from I to E. template<typename T> void addBits(const T *I, const T *E) { - addBytes(reinterpret_cast<const char *>(I), - reinterpret_cast<const char *>(E)); + addBytes<sizeof (T) % sizeof (uint32_t) == 0>( + reinterpret_cast<const char *>(I), + reinterpret_cast<const char *>(E)); } }; |