2168455ef4
Skip creating a module if no function is going to be imported. Also includes a change so that if the first partition is empty (which can happen), we import global with non-local linkage into the first non-empty partition, instead of P0 all the time. I thought we'd need to change users of the SplitModule callback so they can deal with less modules than the number requested, but no. We already return only 1 module in some cases and it seems to be handled just fine. Fixes SWDEV-523146
The LLVM Compiler Infrastructure
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