Dan Gohman 29384efb76 Teach ValueHandleBase to treat DenseMap's special Empty and Tombstone ...

values the same way it treats null pointers. This is needed to allow
CallbackVH to be used as a key in a DenseMap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77695 91177308-0d34-0410-b5e6-96231b3b80d8

2009-07-31 18:20:18 +00:00

..

llvm

Teach ValueHandleBase to treat DenseMap's special Empty and Tombstone

2009-07-31 18:20:18 +00:00

llvm-c

Put new enum at end of list to avoid changing ABI.

2009-07-20 18:22:52 +00:00