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aeb8c2bbbf
The majority of queries just checks for the existince of an enum attribute. We only have 48 of those and can summaryiz them in an uint64_t bitfield so we can avoid searching the list. This improves "opt" compile time by 1-4% in my measurements. Differential Revision: http://reviews.llvm.org/D16617 llvm-svn: 259251
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