| commit | 29384efb76a85e84f87c9bf898262d7f1069c38c | [log] [tgz] |
|---|---|---|
| author | Dan Gohman <gohman@apple.com> | Fri Jul 31 18:20:18 2009 +0000 |
| committer | Dan Gohman <gohman@apple.com> | Fri Jul 31 18:20:18 2009 +0000 |
| tree | 31b8ea82dc666e8e68d278ca7cf11062fd40d4b2 | |
| parent | b4d31306a4f9e84a7ab6ace99964634adb4bf7e6 [diff] |
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