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2017 Jul 25
2
undef value
Hello, I am opening llvm more and more for me, so now I have some questions about shifting and undef value: 1) undef value is like a separate entity. But I have seen in some notes, that this is legal to compute expressions with undef value. So , undef |1 will be equal to one (the size of the result will depended on the size of one)? And undef & 0 will be equal to zero and so on? 2) Is it