[dmd-internals] Is there a reason that inlining happens so early?

[Walter Bright]

On 11/27/2012 8:00 PM, Don Clugston wrote:
> One of the main reasons that implementing CTFE is difficult, is that
> inlining happens so early.
> It sometimes happens that CTFE gets run on a function BEFORE it is
> inlined, and then the same function gets run again AFTER inlining.
> Then the same function has a different number of variables, and all
> kinds of evil transformations. This makes it very difficult to
> pre-anaylze CTFE functions, before running them. (I've done
> experiments which show that a minimal "compile" which merely allocates
> variable numbers, can significantly increase CTFE speed).
>
> Is there any reason why all the inlining couldn't be done after the
> semantic3 pass has completed, instead of happening within it?
>


But it does happen after semantic3.