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During the LTO phase LICM will move loop invariant global variables out of loops (informed by GlobalModRef). This makes more loops countable presenting opportunity for the loop vectorizer. Adding the loop vectorizer improves some TSVC benchmarks and twolf/ref dataset (5%) on x86-64. radar://15970632 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202051 91177308-0d34-0410-b5e6-96231b3b80d8
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