Benjamin Kramer 94988cb34c SmallPtrSet: Reuse DenseMapInfo's pointer hash function instead of inventing a bad one ourselves. ...

DenseMap's hash function uses slightly more entropy and reduces hash collisions
significantly.  I also experimented with Hashing.h, but it didn't gave a lot of
improvement while being much more expensive to compute.

llvm-svn: 154996

2012-04-18 10:37:32 +00:00

9.3 KiB

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