Uniquify the AttributeImpl based on the Constant pointer, since those are
already uniquified.

Note: This will be expanded in the future to add more than just one pointer
value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171245 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed