[LLVMdev] -O0 compile time speed

[Chris Lattner]

On Nov 21, 2009, at 7:57 AM, Mark Shannon wrote:

> Hi there,
> Just my tuppence worth:
> 
> I for one would love it if the code-gen pass was quicker.
> It makes LLVM even more appealing for JIT compilers.
> 
> One approach might be to generate code directly from the standard IR.
> (Rather than create yet another IR  (the instruction DAG)).

Yes, we already do this, that is what FastISel is.  a BURG code generator is slower than what we already do.

-Chris