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...ings to check: Run llvm-gcc a.c -emit-llvm -use-gold-plugin -Wl,debug This will print the link command line. What is it? Do you get the same error messages if you run just that? Are gold and the plugin linked with the same libstdc++? Cheers On Jun 5, 2010 11:50 PM, "Guoliang Jin" <jingl1345 at gmail.com> wrote: The errors are /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.9' not found /lib/libc.so.6: version `GLIBC_2.7' not found I can not use it in the command line... Rafael Espindola wrote: >> >> However, I got >> "... >> checking for gcc....

...se-gold-plugin -Wl,debug > > This will print the link command line. What is it? Do you get the same > error messages if you run just that? > > Are gold and the plugin linked with the same libstdc++? > > Cheers > >> On Jun 5, 2010 11:50 PM, "Guoliang Jin" <jingl1345 at gmail.com >> <mailto:jingl1345 at gmail.com>> wrote: >> >> The errors are >> /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.9' not found >> /lib/libc.so.6: version `GLIBC_2.7' not found >> >> I can not use it in the command line... >&...

On Thu, Jul 22, 2010 at 1:21 PM, Jin Guoliang <jingl1345 at gmail.com> wrote: > On Thu, Jul 22, 2010 at 11:35 AM, Devang Patel <devang.patel at gmail.com>wrote: > >> On Wed, Jul 21, 2010 at 9:50 AM, Jeffrey Yasskin <jyasskin at google.com> >> wrote: >> >> This (Unknown constant! in bitcode writer when -g is u...

The errors are /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.9' not found /lib/libc.so.6: version `GLIBC_2.7' not found I can not use it in the command line... Rafael Espindola wrote: >> However, I got >> "... >> checking for gcc... llvm-gcc -use-gold-plugin >> checking for C compiler default output file name... >> ... >> configure: error: C

On 6 June 2010 13:48, Guoliang Jin <jingl1345 at gmail.com> wrote: > Thanks Rafael. > > I compiled llvm-gcc by myself, and I can compile mysql now. > > Right now, when I run llvm-gcc a.c -emit-llvm -use-gold-plugin -Wl,debug > I got > ld: error: cannot open debug: No such file or directory > collect2: ld returned 1 e...

On 25 June 2010 03:17, Guoliang Jin <jingl1345 at gmail.com> wrote: >  Hi there, > > I checked out the latest code from the repository, and wanna use the gold > plugin, but I got the following: > > libLLVMgold.so: could not load plugin library > > Do you know why this is happening? > > Also I noticed the name of...

You can use llvm::sys::Path::GetTemporaryDirectory() and put the inputs and outputs there. Reid On Wed, Jul 7, 2010 at 4:23 PM, Guoliang Jin <jingl1345 at gmail.com> wrote: >  Hi, > > I want to pass parameter to a analysis pass. My pass need to use some > result from some other tools. I can hard code a file name into my pass, > and let my pass read input there, but what if I do not want the file > name to be hard coded? > &...

On Mon, Jul 19, 2010 at 11:06 PM, Guoliang Jin <jingl1345 at gmail.com> wrote: >  Hi, > > I would like to get the whole program bitcode with debug information in it. > > I tried to use CFLAGS = "-O4 -g", but it ends with the following error: > collect2: ld terminated with signal 6 [Aborted] > Unknown constant! > UNREAC...

Hi, I would like to get the whole program bitcode with debug information in it. I tried to use CFLAGS = "-O4 -g", but it ends with the following error: collect2: ld terminated with signal 6 [Aborted] Unknown constant! UNREACHABLE executed at /local.toadette/aliang/fixing/llvm-2.7/llvm-2.7/lib/Bitcode/Writer/BitcodeWriter.cpp:895! What is the right way to get a whole program bitcode

Hi there, I checked out the latest code from the repository, and wanna use the gold plugin, but I got the following: libLLVMgold.so: could not load plugin library Do you know why this is happening? Also I noticed the name of the library is changed to LLVMgold.so, and I just renamed it to libLLVMgold.so when I copied it. Is this the right thing to do? Thanks, Guoliang

Hi, I want to pass parameter to a analysis pass. My pass need to use some result from some other tools. I can hard code a file name into my pass, and let my pass read input there, but what if I do not want the file name to be hard coded? Is it possible to do that? If yes, where can I find some documentation about it? Thanks, Guoliang

On 19 August 2010 01:25, Guoliang Jin <jingl1345 at gmail.com> wrote: >  Hi, > > I am using gold plugin with the option "-use-gold-plugin > -Wl,-plugin-opt=also-emit-llvm" to compile apache. > > I objdumped the final executable httpd to httpd.S. > > I also compiled those per file bytecode into native code usin...

Hi, I am using gold plugin with the option "-use-gold-plugin -Wl,-plugin-opt=also-emit-llvm" to compile apache. I objdumped the final executable httpd to httpd.S. I also compiled those per file bytecode into native code using the following: llc filename.o llvm-gcc -c filename.o.s -o filename.o.o Then I objdumped filename.o.o to filename.o.S and compared some functions between

Hi, I found some posts on the topic of whole program bitcode and gold plugin. I put lto_codegen_write_merged_modules(cg, "/path/to/output.bc") into gold-plugin.cpp all_symbols_read_hook() and compiled one autotooled program (ftp://ftp.gnu.org/gnu/diction/diction-1.11.tar.gz) as described in the gold plugin document, however, I still did not see the output.bc. Can anyone has

On Wed, Jul 21, 2010 at 9:50 AM, Jeffrey Yasskin <jyasskin at google.com> wrote: >> This (Unknown constant! in bitcode writer when -g is used) is a known >> bug in CloneModule, because it is not cloning MDNodes appropriately. > > What's the link to the bug report? Are you fixing it? PR 7689. Fixed in r109117. - Devang

On Thu, Jul 22, 2010 at 11:35 AM, Devang Patel <devang.patel at gmail.com>wrote: > On Wed, Jul 21, 2010 at 9:50 AM, Jeffrey Yasskin <jyasskin at google.com> > wrote: > >> This (Unknown constant! in bitcode writer when -g is used) is a known > >> bug in CloneModule, because it is not cloning MDNodes appropriately. > > > > What's the link to the

Hi, I am trying to load another bytecode file in one pass. I checked the opt.cpp, it uses following to load a bytecode file: ... LLVMContext &Context = getGlobalContext(); ... SMDiagnostic Err; // Load the input module... std::auto_ptr<Module> M; M.reset(ParseIRFile(InputFilename, Err, Context)); ... My question is in the runOnModule method where I want to load

Yes, that would be better. -----Original Message----- From: Guoliang Jin <jingl1345 at gmail.com> Sent: Friday, August 27, 2010 5:05 PM To: llvmdev at cs.uiuc.edu <llvmdev at cs.uiuc.edu> Subject: Re: [LLVMdev] how to check whether from basicblock A we can go to basicblock B within the same function? > Every basic block ends with a terminator instruction that indicat...

Rafael Espindola wrote: > On 6 June 2010 13:48, Guoliang Jin <jingl1345 at gmail.com> wrote: > >> Thanks Rafael. >> >> I compiled llvm-gcc by myself, and I can compile mysql now. >> >> Right now, when I run llvm-gcc a.c -emit-llvm -use-gold-plugin -Wl,debug >> I got >> ld: error: cannot open debug: No such file or dire...

...and you're on your way. ~Will On Wed, Jul 7, 2010 at 9:55 PM, Reid Kleckner <reid.kleckner at gmail.com> wrote: > You can use llvm::sys::Path::GetTemporaryDirectory() and put the > inputs and outputs there. > > Reid > > On Wed, Jul 7, 2010 at 4:23 PM, Guoliang Jin <jingl1345 at gmail.com> wrote: >>  Hi, >> >> I want to pass parameter to a analysis pass. My pass need to use some >> result from some other tools. I can hard code a file name into my pass, >> and let my pass read input there, but what if I do not want the file >> name...