commit | d9489cbb0cf933da9e2154a5336533d6254a5c30 | [log] [tgz] |
---|---|---|
author | Devang Patel <dpatel@apple.com> | Wed Sep 02 21:22:09 2009 +0000 |
committer | Devang Patel <dpatel@apple.com> | Wed Sep 02 21:22:09 2009 +0000 |
tree | 2095f4e178aa362d18c25b07a42f5209bead3a9d | |
parent | 69d1c1aebf009e58157e233cd7f2338e654e8d05 [diff] |
Use CallbackVH, instead of WeakVH, to hold MDNode elements. Use FoldingSetNode to unique MDNodes in a context. Use CallbackVH hooks to update context's MDNodeSet appropriately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80839 91177308-0d34-0410-b5e6-96231b3b80d8