[LLVMdev] StrongPhiElimination pass

Cameron Zwarich zwarich at apple.com
Tue Sep 14 09:40:45 PDT 2010


What's the purpose of StrongPhiElimination pass? The PhiElimination pass creates a lot of copies, but the standard register allocator cleans them up fairly well. Is it for use with alternative register allocators or would it actually help the standard register allocator if it were finished?

Cameron



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