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From Nicholas Kwiatkowski <>
Subject Re: What to expect from FalconJS
Date Mon, 19 Nov 2012 04:59:48 GMT
Thanks for the clarification.  I knew I saw some stuff about LLVM in one of
the presentations I attended -- I just wasn't sure to what degree.


On Sun, Nov 18, 2012 at 11:53 PM, Kevin Newman <> wrote:

> There are two different Flash related LLVM products at Adobe, afaik.
> They have an LLVM frontend which takes ABC code and turns that into ARM
> code for packing on iPhone. Then there's the Alchemy stuff, which is an
> LLVM backend, for generating ABC bytecode from other front ends like C and
> C++. There are lots of stack exchange posts about both of these, and how
> they work.
> I'd guess neither of those are actually useful to build an AS3 front end
> (well maybe the ABC front end has similar data structures? IDK).
> Apache can't leverage either, since Adobe hasn't opened them up. I was
> more curious about what would be involved with starting from scratch on an
> LLVM frontend for AS3 (or starting from a similar one, like JavaScript - I
> couldn't find one though). I assume it's a great deal of work (probably
> prohibitively so) - but I'm still curious. :-)
> I have no idea if they are using LLVM in future versions of ASNext
> compilers - but I have thought they would, cause why not! Recent info on
> ASC2.0 (like their inline optimization) suggests maybe not. I don't know,
> you'd have to ask the folks at Adobe (so far they ain't talking much about
> ASNext though - I got the most info yet on it from this list).
> Kevin N.
> On 11/18/2012 12:17 AM, Alex Harui wrote:
>> I could be wrong, but I don't think LLVM is involved in Falcon or
>> FalconJS.
>> It think it may be used in captive runtime so that may be why you
>> associated
>> it with the compiler.  But that stuff is in the AIR SDK and not in Apache.

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