[llvm-commits] [Review request] New StrongPHIElimination implementation

[Jakob Stoklund Olesen]

On Oct 6, 2010, at 1:45 PM, Jakob Stoklund Olesen wrote:

> - I am not really convinced that CSSA::InsertCopiesForPHI deals with critical edges correctly. How do you ensure non-interference when a block branches to multiple PHIs? This happens for instance when dealing with indirect branches, see http://llvm.org/bugs/show_bug.cgi?id=7362.

This is a much smaller example of the same thing: http://llvm.org/bugs/show_bug.cgi?id=3120