search for: proposd

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2020 Aug 21
3
[RFC][LLVM] New Constant type for representing function PLT entries
...existing optimizations that understand GlobalValues. And it would make it clear that importing one from another IR module might be a non-trivial operation. (I don't think we actually do cross-DSO optimizations at the moment, but it's not outside the realm of possibility.) -Eli > The proposd 'pltentry' syntax is an IR level concept to lower the > address of constant to use the @plt modifier. > > A Procedure Linkage Table (PLT) entry may or may not be created by the > linker - if it is not necessary, the linker will not create it. I think > we do need some way to...
2020 Aug 21
5
[RFC][LLVM] New Constant type for representing function PLT entries
I do have concerns about the amount of object level modeling that we want to do in the IR though. While it isn't the highest level IR we've managed to mostly avoid these kinds of features/complications in the past. I'm definitely interested in hearing some alternate implementations here and there rather than a full set of constants for relocations. Keeping the IR abstract enough over