[LLVMdev] RFC: Are we ready to completely move away from the optionality of a DataLayout?

Joerg Sonnenberger joerg at britannica.bec.de
Mon Oct 20 03:13:03 PDT 2014

On Sun, Oct 19, 2014 at 03:52:12PM -0500, Hal Finkel wrote:
> I think that, generally speaking, this does not make sense. You could
> imagine linking together two modules where one data layout was a
> "subset" of the other (one is missing details of the vector types, for
> example, in a module that used no vector types), but even that seems tenuous.

I think linking modules with different vector types makes perfect sense.
Consider a larger program that includes optimised SSE2 vs AVX routines,
switching between them at run time.


More information about the llvm-dev mailing list