sdesmalen-arm wrote: > Creating a scalable vector of size 0 should not even be allowed.
Correct, but that is no reason to disallow a value of '0' for TypeSize. This is just a class to represent a value (fixed or scalable), and it's up to the places where TypeSize is used on whether that use is valid. You could argue the same for an `int`, which is used to represent the size of a type. FWIW, one of the uses for a zero-sized TypeSize value (and also the motivating reason for this patch) is e.g. to get the combined size of spills for N vectors, you could do: ``` TypeSize Size(); for (auto Obj : Objects) Size += Obj.getSize(); ``` without having to determine before the loop whether Size needs to be Fixed or Scalable. https://github.com/llvm/llvm-project/pull/72994 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
