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  • Andrew Trick's avatar
    indvars: Added canExpandBackEdgeTakenCount. · 38c4e34a
    Andrew Trick authored
    Only create a canonical IV for backedge taken count if it will
    actually be used by LinearFunctionTestReplace. And some related
    cleanup, preparing to reduce dependence on canonical IVs.
    No significant effect on x86 or arm in the test-suite.
    
    llvm-svn: 130799
    38c4e34a
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