[LLVMdev] llvm-gcc + abi stuff

[Rafael Espindola]

> It's useful to notice that the formulation of something in the IR
> doesn't force the code generator to do anything (e.g. x86-32 passes
> almost everything in the stack regardless of whether you use scalars
> or byval), but it does have an impact on the optimizers and compile
> time.

I still have the crazy idea that it should be possible to represent
the stack frame explicitly in llvm IL and have the FE handle 99% of
the ABI. But that will have to wait a bit :-)

Cheers,
-- 
Rafael Avila de Espindola

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