search for: yiannis

Yiannis, Pedro, I'm not an expert here. Taking closer look I see that it makes sense to do this cleanup job in doFinalization() of the pass, which requested GC info. So the current fix seems to be ok and all external clients will need to do cleanup directly doing the same jobs as Printer::doFinalizati...

Pedro, Yiannis, What's about the usage case, when LLVM is used as a library and the user implements its custom pass, which dump the code (implemented as a FunctionPass, but not as Printer)? You also missed in your changes the declaration of llvm::createGCInfoDeleter() in include/llvm/CodeGen/Passes.h -Dmit...

Sorry for double-posting to the list, The citation is the following (this time with a url to the paper): K. Sagonas, C. Stavrakakis, and Y. Tsiouris. "ErLLVM: An LLVM backend for Erlang"[1]. In Eleventh ACM SIGPLAN Erlang Workshop, September 2012. ACM Press. Thanks! Yiannis [1]: http://erllvm.softlab.ntua.gr/files/erlang03-sagonas.pdf On 09/07/2012 08:13 PM, Yiannis Tsiouris wrote: > Hi, > > I attach a publication that we have at the ACM Sigplan Erlang Workshop 2012, Copenhagen, Denmark. > > The abstract is: > This paper describes ErLLVM, a new bac...

Hi , Can someone commit the attatched (cleanup) patch for r175528? Thanks, yiannis On 02/25/2013 08:11 PM, Dmitry Babokin wrote: > Yiannis, Pedro, > > I'm not an expert here. Taking closer look I see that it makes sense > to do this cleanup job in doFinalization() of the pass, which > requested GC info. So the current fix seems to be ok and all external &gt...

...or I 'm doing something wrong? I used a custom GCMetadataPrinter plugin but I reproduced this using the builtin "ocaml" GC plugin and the attached file (actually, any simple ll file that uses "ocaml" gc is fine). Note: The beginAssembly function works great. Best wishes, yiannis -- Yiannis Tsiouris Ph.D. student, Software Engineering Laboratory, National Technical University of Athens WWW: http://www.softlab.ntua.gr/~gtsiour -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: gctest.ll URL: <http://lists.llvm.org/pipe...

Sorry for the triple-posting! :-$ On 02/14/2013 04:30 PM, Yiannis Tsiouris wrote: > On 02/10/2013 08:47 PM, Yiannis Tsiouris wrote: >> After rebasing my local LLVM repo to ToT, I noticed that the >> finishAssembly function is not executed and, thus, the stack map is not >> printed at all. >> >> Is this a known issue or I 'm do...

Yiannis, - /// clear - Resets the pass. The metadata deleter pass calls this. + /// clear - Resets the pass. The metadata printer pass calls this. I would propose different text here: /// clear - Resets the pass. Any pass, which uses GCModuleInfo(), should call it in doFinalization(). Does it make...

Ping for this. On 02/10/2013 08:47 PM, Yiannis Tsiouris wrote: > After rebasing my local LLVM repo to ToT, I noticed that the > finishAssembly function is not executed and, thus, the stack map is not > printed at all. > > Is this a known issue or I 'm doing something wrong? > > I used a custom GCMetadataPrinter plugin b...

ping. :-) On 09/07/2012 08:24 PM, Yiannis Tsiouris wrote: > [...] > The citation is the following (this time with a url to the paper): K. > Sagonas, C. Stavrakakis, and Y. Tsiouris. "ErLLVM: An LLVM backend > for Erlang"[1]. In Eleventh ACM SIGPLAN Erlang Workshop, September > 2012. ACM Press. > > [1]: http:/...

On 04/02/2011 06:26 PM, Samuel Crow wrote: > Hello Yiannis, > > You could write a custom backend that doesn't allocate %r15 for general usage. > The normal way to do this is to set up a custom calling convention for all > functions that keeps a sentinel in %r15 so that it always holds the sentinel. > This is how new operating system...

Hello Yiannis, I believe what is going on is that there is an issue with the way that information is deleted (the CG information). Right now there is a pass whose only job is to delete that information (CGInfoDeleter) and that pass deletes the info before the AsmPrinter has a chance to call the finishAssembly f...

...missed in your changes the declaration > of llvm::createGCInfoDeleter() in include/llvm/CodeGen/Passes.h Oops, sorry! I suppose I missed that! Pedro, will you take care of that (by just removing it) or should I sent a trivial fix in llvm-commits (where I don't have direct commit access)? yiannis -- Yiannis Tsiouris Ph.D. student, Software Engineering Laboratory, National Technical University of Athens WWW: http://www.softlab.ntua.gr/~gtsiour

Hello Yiannis, You could write a custom backend that doesn't allocate %r15 for general usage. The normal way to do this is to set up a custom calling convention for all functions that keeps a sentinel in %r15 so that it always holds the sentinel. This is how new operating systems are supported with cus...

On 09/02/2011 05:58 PM, Duncan Sands wrote: > Hi Yiannis, > >> I have been using llvm 2.8 (i know ancient history!) for a backend that i was >> implementing. I have been trying to port my patches to latest llvm (svn build) >> lately but i have one problem as far as the Exception Handling mechanism is >> concerned. It seems that...

On 9/10/12 5:29 PM, Yiannis Tsiouris wrote: > ping. :-) I've been on vacation since August 28 and disabled llvmdev delivery so that I wouldn't get flooded with emails while I was gone, so I didn't see your message. I've added the entry to the publications page, but I haven't made a separate page fo...

Hello! Is there a way to force explicit register usage (e.g. %r15 in amd64 architecture) in LLVM assembly code? I was proposed in #llvm channel at irc.oftc.net to use inline assembly but i find it rather impractical in my case. Is there any other way? Thanx, ~y.

...MO, we could do that by just moving the Deleter::doFinalization functionality to Printer::doFinalization (introduce it as this doesn't exist). The attached patch seems to work. Take it as a prototype as it needs a unittest just to be sure in the future! Does this seem reasonable? yianns -- Yiannis Tsiouris Ph.D. student, Software Engineering Laboratory, National Technical University of Athens WWW: http://www.softlab.ntua.gr/~gtsiour -------------- next part -------------- A non-text attachment was scrubbed... Name: GCMetadata.patch Type: text/x-diff Size: 2199 bytes Desc: not available URL:...

...I am investigating the deployment of VoIP/* in Eastern European areas where there is no PSTN infrastructure. As you can understand DSL/Cable connections are a dream. The only option is satellite. Does anyone know of any satellite providers that have low enough/acceptable delays for VoIP? Thanks, Yiannis.

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 07/08/2011 10:30 PM, Frits van Bommel wrote: > On 8 July 2011 21:10, Yiannis Tsiouris <yiannis.tsiouris at gmail.com> wrote: >> The problem with that is the case of an 'invoke' call. According to the >> semantics of the invoke instruction the return value is not available when >> a stack unwind happens. From the Language Reference Manual: &g...

...e my roots to -5 (tagged, null value for the GC in my runtime system) instead of 0. Ofcourse, i could do it in the frontend (storing -5 to all GC roots), but i was wondering if there is another way e.g. by modifying the GC plugin and implementing custom lowering for the gcroot intrinsic. Thanks, Yiannis