[LLVMdev] obtain the address and size of LLVM generated temporaries

[Duncan Sands]

Hi Chuck,

> I wonder what is the right approach to obtain the address and size of
> LLVM (compiler) generated temporaries?
>
> E.g.
>
> %0 = %x + %y
> store i32 i0, i32 %z, align 4
>
> How can I get the address of %0 (which could be either a stack or heap
> variable)?

actually %0 is neither a stack or a heap variable, it is an LLVM "virtual
register" and has no address.  It has type i32, so storing it writes the
same number of bytes as any i32 store, see getTypeStoreSize.

Ciao, Duncan.