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  • Dan Gohman's avatar
    Add a method to ScalarEvolution for telling it when a loop has been · 43300341
    Dan Gohman authored
    modified in a way that may effect the trip count calculation. Change
    IndVars to use this method when it rewrites pointer or floating-point
    induction variables instead of using a doInitialization method to
    sneak these changes in before ScalarEvolution has a chance to see
    the loop. This eliminates the need for LoopPass to depend on
    ScalarEvolution.
    
    llvm-svn: 64810
    43300341
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