Re: core changes for mep port

[Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>]

>>> Look at the calls to cgraph_mark_edge in ipa-inline.c
>> There is no such function.  I couldn't find anything in ipa-inline
>> that (1) had access to both ends of the call edge, (2) was actually
>> called, and (3) was called before the inlining happened.
> 
> Sorry, I meant cgraph_mark_inline.  It looks like what you want to
> me.  But maybe I'm misreading it.

And cgraph_check_inline_limits (could rename it to cgraph_should_inline_p
or something like that, or just call the target hook wherever that
function is called now; the target hook should also have a parameter for
the reason why inlining is forbidden).

Paolo