NEW148587
DFG should have a utility phase to canonicalize Upsilons and Phis 
https://bugs.webkit.org/show_bug.cgi?id=148587
Summary DFG should have a utility phase to canonicalize Upsilons and Phis
Filip Pizlo
Reported 2015-08-28 13:27:32 PDT
It would work by running the SSACalculator and treading each Phi as a variable and each Upsilon as a Def.
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