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On Wed, Mar 16, 2011 at 9:33 PM, Ashay Rane <ashay.rane at asu.edu> wrote: > Hi Eli, > Thanks for the reply. The problem is that getOperand() returns an > llvm::Instruction (that refers to the definition of the operand). What I am > trying to find out is how to get the value of the operand. When you refer to > bitcasting to i8*, do you mean casting the return value from

No, I am running the LLVM pass at the compilation step. So by the time I reach the link step, the transformed bitcode has been generated. Ashay On Mon, Sep 12, 2011 at 4:12 PM, Dmitry N. Mikushin <maemarcus at gmail.com>wrote: > I see. And what's the purpose for outputting bitcode into *.o and *.a > files? Do you want to perform an LLVM pass on linking step? > > 2011/9/13

Thanks Eli, that worked! For the record, I had to make one change though. I had to bitcast to i32* (instead of i8*) otherwise I was seeing errors like: Instruction referencing instruction not embedded in a basic block! %retval = alloca i32 <badref> = bitcast i32* %retval to i8* and sometimes: Instruction does not dominate all uses! That makes me curious to ask, what does the choice of

Hmm.. I didn't explain the problem completely last time. I am creating a drop-in replacement for gcc and gfortran that runs an additional pass on the bitcode before generating the native binary. Here's whats happening: If the source code compilation process builds a static library (.a archive file), I need a means to link the `.a' file statically into the application. So if the

I see. And what's the purpose for outputting bitcode into *.o and *.a files? Do you want to perform an LLVM pass on linking step? 2011/9/13 Ashay Rane <ashay.rane at tacc.utexas.edu>: > Hmm.. I didn't explain the problem completely last time. I am creating a > drop-in replacement for gcc and gfortran that runs an additional pass on the > bitcode before generating the native

Hi Eli, Thanks for the reply. The problem is that getOperand() returns an llvm::Instruction (that refers to the definition of the operand). What I am trying to find out is how to get the value of the operand. When you refer to bitcasting to i8*, do you mean casting the return value from getOperand() itself? Ashay On Wed, Mar 16, 2011 at 11:03 PM, Eli Friedman <eli.friedman at

On Mon, Oct 1, 2018 at 12:25 PM Nitin Rane <Nitin.Rane@techmahindra.com> wrote: > Hi Arik,Shahar, > (Adding libguestfs mailing-list) Hi Nitin, > I am looking to migrate VMs from Openstack Juno to Openstack Newton and > from VMWare to Openstack Newton. > > While doing google search I came across the link authored by you, >

On Wed, Mar 16, 2011 at 10:44 PM, Ashay Rane <ashay.rane at tacc.utexas.edu> wrote: > Thanks Eli, that worked! > For the record, I had to make one change though. I had to bitcast to i32* > (instead of i8*) otherwise I was seeing errors like: > Instruction referencing instruction not embedded in a basic block! >   %retval = alloca i32 >   <badref> = bitcast i32*

Thats correct. But using llc becomes a problem when I have archives (.a files). I could, in theory, extract its contents to a tempdir and then use llc and link but just wondering if there is a more elegant solution. Ashay On Mon, Sep 12, 2011 at 3:00 PM, Dmitry N. Mikushin <maemarcus at gmail.com>wrote: > Ashay, > > If I understand correctly, in hw.o you would have llvm

Sorry, at what step do you need archive? llc emits binary, it does not perform any linking, thus it does not need anything except the input bytecode file. Then during linking you can link whatever archives of binaries you want. 2011/9/13 Ashay Rane <ashay.rane at tacc.utexas.edu>: > Thats correct. But using llc becomes a problem when I have archives (.a > files). I could, in theory,

`/usr/bin/ld -v' says it is not running gold and I suppose fixing that would require place LLVMgold.so into /usr/lib/bfd-plugins. Is there any way to make this work without requiring root access to the machine? Also, just to confirm, is the gold plugin required even when all of the files have been compiled/built using llvm-gcc and llvm-ar? Ashay On Tue, Aug 9, 2011 at 1:33 PM, Eli Friedman

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On Tue, Aug 9, 2011 at 12:03 PM, Ashay Rane <ashay.rane at asu.edu> wrote: > `/usr/bin/ld -v' says it is not running gold and I suppose fixing that would > require place LLVMgold.so into /usr/lib/bfd-plugins. Is there any way to > make this work without requiring root access to the machine? If you install your own version of binutils into the same prefix as llvm-gcc, it should

Hello, I was facing some difficulty in implementing a transform and I was wondering if I could get some help please. The transform needs to operate on the operands of certain instructions. For example, given an instruction, say "%10 = load i32* %9, align 4", I have to record the value of %9 and process it. Of course, this is only possible at runtime and so I am instrumenting the code

On Tue, Aug 9, 2011 at 11:16 AM, Ashay Rane <ashay.rane at asu.edu> wrote: > Hello, > While linking programs against static libraries built using llvm-ar and > llvm-ranlib, I see an error message: > could not read symbols: Archive has no index; run ranlib to add one > collect2: ld returned 1 exit status > Using either /usr/bin/nm or llvm-nm (depending on the use of

On Wed, Mar 16, 2011 at 6:00 PM, Ashay Rane <ashay.rane at asu.edu> wrote: > Hello, > I was facing some difficulty in implementing a transform and I was wondering > if I could get some help please. > The transform needs to operate on the operands of certain instructions. For > example, given an instruction, say "%10 = load i32* %9, align 4", I have to > record the

Hi Ashay, Do you need specifically llvm-gfortran that is based on gcc 4.2? Since that, DragonEgg has been introduced - a powerful plugin to gcc that makes it possible to utilize regular gcc compilers as frontends to llvm: http://dragonegg.llvm.org/ It generates Fortran90 programs for me very well. - D. 2011/9/1 Ashay Rane <ashay.rane at tacc.utexas.edu>: > Hello, > I have been

Ashay, If I understand correctly, in hw.o you would have llvm bytecode, while linker expects regular object binary. Probably first you need to emit asm out of bytecode using llc? - D. 2011/9/12 Ashay Rane <ashay.rane at tacc.utexas.edu>: > Hello, > Sorry for the late reply. Using dragonegg worked well, thanks all! > Just as a note... I had to use llvm-ld during the link step

Hello, I have been facing a few problems getting names of variables from the bitcode. The bitcode does contain debug metadata. The first problem is regarding `memtmp' variables (apparently, the original variable name is no longer present in the bitcode). The other two problems concern OpenMP. In one case, the instruction is not named and hence establishing a connection to the debug metadata

I want to know speex compression rate. On the speex website,it says" Speex is based on CELP and is designed to compress voice at bitrates ranging from 2 to 44 kbps." Is the original voice at bitrates raning from 2 to 44 kbps,or the compressed voice at bits ranging from 2 to 44 kbps? what is the maxmium compression rate? Thanks a lot! Weiqin Bao -------------- next part -------------- An