[LLVMdev] Wrong calling convention?

[Dale Johannesen]

On Mar 26, 2008, at 3:09 PM, Óscar Fuentes wrote:

> Evan Cheng <evan.cheng at apple.com> writes:
>
>>> I'll be interested on hearing ideas about how to determine how a
>>> function returns a small struct, without knowing the internals of  
>>> the
>>> struct.
>
>> Take a look at llvm-gcc. Look for HandleAggregateShadowArgument.
>
> This does not qualify as "without knowing the internals of the struct"
> :-)
>
> DefaultABI::HandleReturnType made an interesting reading, although it
> uses information which is unaccessible to my compiler.

Which calling convention to use depends on the contents of the  
struct.  You cannot make all cases work without that information.