[PATCH] During PHI elimination, split critical edges that move copies out of loops

Daniel Jasper djasper at google.com
Mon Mar 2 15:43:18 PST 2015

Not sure what that means. I think the changes here by itself are good, but they lead to worse behavior in later passes, specifically register coalescing. I'll take a look at whether the register coalescer heuristic can be tweaked in a simple way to avoid this regression.



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