<div dir="ltr">I don't know how good it is, but the applications seem obvious. e.g. compiling programs in any of a number of original formats to run natively on CPUs that have a working simple C compiler (maybe only K&R or C89) but don't have an LLVM back end.<div>
<br></div><div>The source program could be in modern C, C++, or any other high level language or assembly language with a translator to LLVM.</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Aug 19, 2014 at 1:40 PM, Jun Koi <span dir="ltr"><<a href="mailto:junkoi2004@gmail.com" target="_blank">junkoi2004@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote"><div class="">On Mon, Aug 18, 2014 at 9:18 PM, Carback, Richard T., III <span dir="ltr"><<a href="mailto:rcarback@draper.com" target="_blank">rcarback@draper.com</a>></span> wrote:<br>
</div><div><div class="h5"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div link="blue" vlink="purple" lang="EN-US">
<div>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Consolas">Hi All,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Consolas"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">2 of my summer interns (Aimee Dipietro and Greg Simpson) used their time over the summer to resurrect the LLVM C Backend:
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><a href="https://github.com/draperlaboratory/llvm-cbe" target="_blank">https://github.com/draperlaboratory/llvm-cbe</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">Improvements include recovery of simple for/while loops (instead of goto), better variable naming, inline asm support, and making it work on a more recent version of llvm. I believe they used the repository
here as a starting point:<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><a href="https://github.com/glycerine/llvm/tree/cbe_revival" target="_blank">https://github.com/glycerine/llvm/tree/cbe_revival</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Consolas"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:Consolas">Feedback is welcomed. I would like to see this feature put back into LLVM, and any help on how to make that happen would be appreciated.</span></p></div></div></blockquote>
<div><br></div></div></div><div>would you mind explaining what this backend is for, and its applications?<br><br></div><div>i guess it is to get the C code at the output of the backend, but dont get why we need it.<br><br>
thanks,<br>
</div><div>Jun<br></div></div></div></div>
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