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Hi Vivek, [+CC Matthias, Quentin] Inter-procedural register allocation can be a big win, but my estimate is that it will be challenging to complete within one summer unless you're already familiar with LLVM's register allocator. I've CC'ed some people who can give you some more detailed information. -- Sanjoy On Tue, Feb 9, 2016 at 9:17 PM, vivek pandya via llvm-dev