[LLVMdev] -emit-llvm on ubuntu is broken

[stackunderflow]

Thanks, it works


Duncan Sands wrote:
> 
> Hi Eric,
> 
>> Looks like something wonky with DragonEgg.
> 
> you need to use -fplugin-arg-dragonegg-emit-ir or -flto with dragonegg,
> not -emit-llvm.  Also, you currently have to use -S (getting human
> readable
> IR) rather than -c because with -c gcc will run cc1 with -S (getting human
> readable IR) then pass the result to the system assembler which of course
> barfs.  This is documented on the web-page and in the README.
> 
> Ciao, Duncan.
> 
>>
>> Duncan?
>>
>> -eric
>>
>> On Mar 21, 2011, at 7:05 PM, stackunderflow wrote:
>>
>>>
>>> Hi Eric,
>>>
>>> here is my -emit-llvm -S -v output:
>>>
>>> Using built-in specs.
>>> COLLECT_GCC=gcc-4.5
>>> COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.5.1/lto-wrapper
>>> Target: i686-linux-gnu
>>> Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro
>>> 4.5.1-7ubuntu2' --with-bugurl=file:///usr/share/doc/gcc-4.5/README.Bugs
>>> --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
>>> --program-suffix=-4.5 --enable-shared --enable-multiarch
>>> --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib
>>> --without-included-gettext --enable-threads=posix
>>> --with-gxx-include-dir=/usr/include/c++/4.5 --libdir=/usr/lib
>>> --enable-nls
>>> --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug
>>> --enable-libstdcxx-time=yes --enable-plugin --enable-gold
>>> --with-plugin-ld=ld.gold --enable-objc-gc --enable-targets=all
>>> --disable-werror --with-arch-32=i686 --with-tune=generic
>>> --enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu
>>> --target=i686-linux-gnu
>>> Thread model: posix
>>> gcc version 4.5.1 (Ubuntu/Linaro 4.5.1-7ubuntu2)
>>> COLLECT_GCC_OPTIONS='-fplugin=/usr/lib/gcc/i686-linux-gnu/4.5/plugin/dragonegg.so'
>>> '-emit-llvm' '-S' '-v' '-mtune=generic' '-march=i686'
>>> /usr/lib/gcc/i686-linux-gnu/4.5.1/cc1 -quiet -v
>>> -iplugindir=/usr/lib/gcc/i686-linux-gnu/4.5.1/plugin hello.c
>>> -D_FORTIFY_SOURCE=2 -iplugindir=/usr/lib/gcc/i686-linux-gnu/4.5.1/plugin
>>> -quiet -dumpbase hello.c -mtune=generic -march=i686 -auxbase hello
>>> -version
>>> -fplugin=/usr/lib/gcc/i686-linux-gnu/4.5/plugin/dragonegg.so -o hello.s
>>> -fstack-protector
>>> GNU C (Ubuntu/Linaro 4.5.1-7ubuntu2) version 4.5.1 (i686-linux-gnu)
>>> 	compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version
>>> 3.0.0-p3,
>>> MPC version 0.8.2
>>> GGC heuristics: --param ggc-min-expand=100 --param
>>> ggc-min-heapsize=131072
>>> Versions of loaded plugins:
>>> dragonegg:
>>> ignoring nonexistent directory "/usr/local/include/i686-linux-gnu"
>>> ignoring nonexistent directory
>>> "/usr/lib/gcc/i686-linux-gnu/4.5.1/../../../../i686-linux-gnu/include"
>>> #include "..." search starts here:
>>> #include<...>  search starts here:
>>> /usr/local/include
>>> /usr/lib/gcc/i686-linux-gnu/4.5.1/include
>>> /usr/lib/gcc/i686-linux-gnu/4.5.1/include-fixed
>>> /usr/include/i686-linux-gnu
>>> /usr/include
>>> End of search list.
>>> GNU C (Ubuntu/Linaro 4.5.1-7ubuntu2) version 4.5.1 (i686-linux-gnu)
>>> 	compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version
>>> 3.0.0-p3,
>>> MPC version 0.8.2
>>> GGC heuristics: --param ggc-min-expand=100 --param
>>> ggc-min-heapsize=131072
>>> Versions of loaded plugins:
>>> dragonegg:
>>> Compiler executable checksum: ee807c30bb3adc8f3aa917a64443d0ec
>>> COMPILER_PATH=/usr/lib/gcc/i686-linux-gnu/4.5.1/:/usr/lib/gcc/i686-linux-gnu/4.5.1/:/usr/lib/gcc/i686-linux-gnu/:/usr/lib/gcc/i686-linux-gnu/4.5.1/:/usr/lib/gcc/i686-linux-gnu/
>>> LIBRARY_PATH=/usr/lib/gcc/i686-linux-gnu/4.5.1/:/usr/lib/gcc/i686-linux-gnu/4.5.1/../../../../lib/:/lib/../lib/:/usr/lib/../lib/:/usr/lib/gcc/i686-linux-gnu/4.5.1/../../../:/lib/:/usr/lib/:/usr/lib/i686-linux-gnu/
>>> COLLECT_GCC_OPTIONS='-fplugin=/usr/lib/gcc/i686-linux-gnu/4.5/plugin/dragonegg.so'
>>> '-emit-llvm' '-S' '-v' '-mtune=generic' '-march=i686'
>>>
>>>
>>>
>>>
>>>
>>> Eric Christopher-2 wrote:
>>>>
>>>>
>>>> On Mar 21, 2011, at 6:36 PM, stackunderflow wrote:
>>>>
>>>>>
>>>>> I try to generate a human readable .ll file on Linux. I installed
>>>>> llvm-gcc
>>>>> but as I see it can generate only assembly code (-S option). Is there
>>>>> any
>>>>> way to get something like what is generated by llvm online compiler?
>>>>>
>>>>> That's what I get with llvm-gcc -S -emit-llvm hello.c on Ubuntu 10.10:
>>>>
>>>> llvm-gcc -v ?
>>>>
>>>> -eric
>>>> _______________________________________________
>>>> LLVM Developers mailing list
>>>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>>>
>>>>
>>>
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>>
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