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Sounds like you break a single getelementptr into a few smaller ones, then do CSE-like optimization? 2017-06-14 21:11 GMT+08:00 Krzysztof Parzyszek via llvm-dev < llvm-dev at lists.llvm.org>: > On 6/14/2017 7:44 AM, 陳韋任 via llvm-dev wrote: > >> >> Skim through Hexagon backend, I notice there is HexagonCommonGEP.cpp >> which seems >> try to do something on