Hans Wennborg ef026f1b5e Address Duncan's comments on r167115
- Use 0 instead of NULL
 - Helper function for "dyn_cast, else lookup in the constant pool".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167121 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 15:14:39 +00:00
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2012-10-23 00:38:15 +00:00