Dan Gohman 4ce307f963 MapValue support for MDNodes. This is similar to r109117, except
that it avoids a lot of unnecessary cloning by avoiding remapping
MDNode cycles when none of the nodes in the cycle actually need to
be remapped. Also it uses the new temporary MDNode mechanism.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111922 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24 17:10:10 +00:00
..