Some more questions about Cmm pipeline

[Jan Stolarek]

Thank you for detailed response.

> 1. PLEASE make sure that you're carefully measuring compilation time 
> when making changes to the code generator.
Noted.

> Furthermore, think carefully about how much effort you want to 
> put into Cmm optimisation against what we can already get for free with 
> -fllvm.
I think the ultimate goal is to modify Cmm generation in order to enable more LLVM optimisations.

Janek