[LLVMdev] How to handle size_t in front ends?

[Chris Lattner]

On May 22, 2008, at 6:40 PM, Talin wrote:
>> LLVM already does this.
>>
>> http://www.nondot.org/sabre/LLVMNotes/SizeOf-OffsetOf-VariableSizedStructs.txt
>>
>> — Gordon
>>
> Is there a similar technique that would allow calculation of the
> alignment? (which is also required by the DWARF derived-type  
> descriptor.)

There is more than one form of alignment.  To find the struct field  
alignment of something, you can do something like:

"sizeof({i8, T}) - sizeof(T)"

-Chris