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On Wed July 11 2012 11:50:01 Chandler Carruth wrote: > - What else did I miss? > > > Things that are totally out of scope: pass registration, the current pass order and structure, the fundamental interface of mapping from a pass to an analysis, etc. This is really about pass management and scheduling. > Hi Chandler, I understand why the pass registration and the pass

Greetings folks! In working on a new optimization pass (splitting cold regions into separate functions based on branch probabilities) I've run into some limitations of the current pass manager infrastructure. After chatting about this with Nick, it seems that there are some pretty systematic weaknesses of the current design and implementation (but not with the fundamental concepts or