continue dancing around the obvious algorithm issues in PR3810: This speeds up getAsIdentifierInfo from being a call to a function with a big switch to a single testl instruction.  This speeds up the example in PR3810 by 6.2%
continue dancing around the obvious algorithm issues in PR3810:
This speeds up getAsIdentifierInfo from being a call to a function
with a big switch to a single testl instruction.  This speeds up
the example in PR3810 by 6.2%


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@67433 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang