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llvm/clang/lib/Analysis
Benjamin Kramer 5721daae02 Avoid malloc thrashing in the uninitialized value analysis.
- The size of the packed vector is often small, save mallocs using SmallBitVector.
- Copying SmallBitVectors is also cheap, remove a level of indirection.

llvm-svn: 164827
2012-09-28 16:44:29 +00:00
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