[LLVMdev] 32-bit indexes

[Duncan Sands]

Hi Jon,

> I notice that, even though I'm on 64-bit, many indexes are required by LLVM to 
> be 32-bit integers. This won't be too important for the next few years 
> except, I think, for the case of indexing large mmapped files which could 
> already require more than 32-bits.
> 
> Am I right and is this on the todo list? What are 32-bit integers doing in the 
> 64-bit version of LLVM anyway?

array indices can be 32 bit or 64 bit.  Struct indices are 32 bit.  I doubt that
there will be many structs with more than 2^32 fields in the near future.

Ciao,

Duncan.