[cfe-commits] patch: preserve address space

[Chris Lattner]

On Jan 21, 2009, at 11:30 PM, Mon Ping Wang wrote:

> Hi Chris,
>
> The spec seems to imply that "p1->arr" should be type [int3] which  
> means that
>   int* ptr = p1->arr;
>
> is legal as the type are compatible though it is changing address  
> spaces.
>
> From an implementation, it looks like today the LValue for the  
> address has the correct address qualified type.  The Expression type  
> for "p1->arr" would be have a different address space for its type.   
> CodeGen should be aware of this and not generate a bit cast to  
> change the address space between the two types and make sure that in  
> the LLVM IR we generate, the address space is passed correctly in  
> the types.

Hi Mon Ping,

Does this mean that you agree with my interpretation?  Are you asking  
a question? :)

-Chris