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140509
2017 Nov 24
2
Reaching definitions on Machine IR post register allocation
Hi Krzysztof,
In one of your earlier emails in this thread you mentioned that you had
some changes which add extra aliases for subregisters. Did you mean for
X86? And is it extra register units that you added or aliases?
I tried adding extra register units for X86 through some changes in
CodeGenRegisters.cpp in TableGen but I am seeing a runtime error in one of
my test cases possibly due to the