Dan Gohman 8cb8245cf1 Move a DenseMap's declaration outside of a loop, and just call
clear() on each iteration. This avoids allocating and deallocating
all of DenseMap's memory on each iteration.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52642 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 21:15:00 +00:00
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