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Duncan P. N. Exon Smith
92897fda32
blockfreq: Use pointers to loops instead of an index
Store pointers directly to loops inside the nodes. This could have been done without changing the type stored in `std::vector<>`. However, rather than computing the number of loops before constructing them (which `LoopInfo` doesn't provide directly), I've switched to a `vector<unique_ptr<LoopData>>`. This adds some heap overhead, but the number of loops is typically small. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206857 91177308-0d34-0410-b5e6-96231b3b80d8
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