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2013 Jan 22
0
[LLVMdev] Writing a new AA pass
...em disambiguating Slice pointer
from data pointer, but has issues distinguishing two data pointers, even
tho two Slice pointers are marked as noalias. This is the spot I want to
augment. My planned logic is to
a) Mark data pointer loads (pointer itself, not elements) with special
metadata (say, !sliceaa.data)
b) Find parent Slice structure
c) If Slices don't alias, data pointers don't alias as well. This is very
simplistic and wrong in many situations, but it should be good for starters.
What would be the proper way to look for those "parent" slice structs?
Closest thing I f...