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  • Arnold Schwaighofer's avatar
    LTO: Add the loop vectorizer to the LTO pipeline. · 6ccda923
    Arnold Schwaighofer authored
    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
    
    llvm-svn: 202051
    6ccda923
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