[llvm-commits] PATCH: Preserving the 'nsw' flag in the instruction combiner.

[Pranav Bhandarkar]

Hi Nick / Eli
>> X = -128, C1 = 127, C1 = 2?

Thanks Eli. Nick, I had something like this in mind too. 
In fact, this is what I meant when I said "e.g. x = -10" in my last email.

Pranav

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