LLVM 3.0 type system changes

[Jens Mueller]

Jason E. Aten wrote:
> On Mon, Mar 7, 2011 at 2:03 PM, filgood <filgood at somewhere.net> wrote:
> 
> > Btw, what is the status of the D2 LLVM compiler?
> >
> 
> Here are my impressions. I might title this short collection of thoughts,
> "LDC2 - one user's early experience."
> 
> With alot of caveats, my experience as a user of D2 LLVM (which has been
> only over the last week) has been good.  This is very subjective, and not
> very scientific, but my two cents are: LDC2 is in impressive shape.  But I'm
> new to D as well, so I'm not a very good judge of these things.
> 
> And here are the caveats: I personally have written only 8-line toy programs
> with it.  LDC2, as far as I know, only does linux. But it does do linux64
> (and I assume 32, but I've only tried 64).  It doesn't do anything else as
> far as I know. I tried OSX and there's a bunch things that need careful
> attention before that version will fly.
> 
> There's not very good documentation on building LDC2, and figuring out how
> to build involved getting help on the chat group. But they are very
> helpful.  When I asked Alexey about the gc issues he had mentioned (on a
> wiki...maybe, I don't recall exactly), he wrote back and said that those
> issues were now fixed.  Many of the optimization levels don't function, but
> those should be trivial to fix.
>
> The build instructions are pretty out of date and the makefiles aren't
> really configured right, but after mucking with it for a bit, I got it to
> build. If you can get it to build, it compiles druntime and phobos. That is
> fairly impressive.  It showed good (not 100%, but good) conformance when
> compared with the dmd2 output on a 100 test subset of the runnable category
> of tests from https://github.com/D-Programming-Language/dmd. I don't know
> how comprehensive that test suite is, but it reassured me enough to continue
> to work with
> the compiler.

Can you talk me through the building process? I tried it a week ago but
with no success. Can you post the necessary steps on this list or to me
in private?

> Alexey Prokhin--as the current lead developer--deserves applause, loud
> applause, for his work on LDC2.
> 
> Thank you Alexey!  This is very nice work.

I appreciate his work, too. Thank you very much, Alexey.

Jens