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2014 Aug 15
2
[LLVMdev] Default/initial values for function arguments?
...y way to do this? I understand that %0 comes from a live-in value which is defined from outside of the function. I could, at the ISelLowering stage when seeing an ADD, replace the “%0” with a i32 constant 0, but I don’t feel like this is the right approach.
Should I try to look into SUBREG_TO_REG/INSERT_REG here? Or any other thoughts?
Thanks,
- Cheng-Chih