Displaying 2 results from an estimated 2 matches for "constantextpr".
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constantexpr
2014 May 23
2
[LLVMdev] Changing the design of GlobalAliases to represent what is actually possible in object files.
...r keeping aliases pointing to ConstantExpr so
>> far.
>
>
> IMO if we want to support defining symbols at absolute addresses, we should
> add a separate construct for this. So far everyone has gotten by with
> linker flags and scripts, though.
Well, if we support an arbitrary ConstantExtpr it is hard not to
support absolute symbols.
Attached is a work in progress on trying to see how hard it would be
to implement support for arbitrary ConstantExpr. I is fairly
incomplete. In particular, the linker need to be updated. But it can
already codegen things like
-------------------------...
2014 May 23
3
[LLVMdev] Changing the design of GlobalAliases to represent what is actually possible in object files.
> I agree that this accurately summarizes both (1) what’s expressible in
> current object file formats and (2) what we’re likely to want to need from
> global aliases.
>
>> The tool we have in llvm for creating these extra labels is the GlobalAlias.
>>
>> One way of representing the above uses is to be explicit: a label is
>> created with a specific value or at