Gabor Greif da995609e6 only dereference iterator once in the loop
(by caching the result we save a potentially expensive dereference)

also use typedefs to shorten type declarations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107883 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08 16:56:18 +00:00
..
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