[cfe-dev] [CUDA] unable to compile the AXPY sample any more

Jingyue Wu via cfe-dev cfe-dev at lists.llvm.org
Mon Jan 11 17:45:49 PST 2016 

Works! Thank you.

On Mon, Jan 11, 2016 at 4:02 PM, Artem Belevich <tra at google.com> wrote:

> Ah! You've got a stale cuda_runtime.h in your build directory which gets
> picked up before the real cuda_runtime.h
>
> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include/cuda_runtime.h:132:31:
> note: previous definition is here
> static inline __device__ void __brkpt(int c) { __brkpt(); }
>
> Remove clang/3.8.0/include from your build directory and try again.
>
> --Artem
>
> On Mon, Jan 11, 2016 at 3:25 PM, Jingyue Wu <jingyue at google.com> wrote:
>
>> clang version 3.8.0 (http://llvm.org/git/clang.git
>> d22eccf82560826415ac761375a9ea8bace7c899) (http://llvm.org/git/llvm.git
>> d24b395f8b297e6437c00d4fbafeac2e69cdf9b7)       [385/9788]
>> Target: x86_64-unknown-linux-gnu
>> Thread model: posix
>> InstalledDir: /usr/local/google/home/jingyue/Work/llvm/install/bin
>> Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.6
>> Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.6.4
>> Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.8
>> Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.8.4
>> Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9
>> Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9.1
>> Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.4
>> Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.4.7
>> Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6
>> Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6.4
>> Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
>> Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.4
>> Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
>> Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.1
>> Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
>> Candidate multilib: .;@m64
>> Candidate multilib: 32;@m32
>> Candidate multilib: x32;@mx32
>> Selected multilib: .;@m64
>> Found CUDA installation: /usr/local/cuda
>>  "/usr/local/google/home/jingyue/Work/llvm/install-git/bin/clang-3.8"
>> -cc1 -triple nvptx64-nvidia-cuda -aux-triple x86_64-unknown-linux-gnu
>> -fcuda-target-overloads -fcuda-disable-ta
>> rget-call-checks -S -disable-free -main-file-name axpy.cu
>> -mrelocation-model static -mthread-model posix -mdisable-fp-elim
>> -fmath-errno -no-integrated-as -mconstructor-aliases -fcud
>> a-is-device -mlink-cuda-bitcode
>> /usr/local/cuda/nvvm/libdevice/libdevice.compute_20.10.bc -target-feature
>> +ptx42 -target-cpu sm_20 -v -dwarf-column-info -debugger-tuning=gdb -resour
>> ce-dir
>> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0
>> -I ../../common/inc -I /usr/local/cuda -internal-isystem
>> /usr/lib/gcc/x86_64-linux-gnu/4.8/../../.
>> ./../include/c++/4.8 -internal-isystem
>> /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8
>> -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../..
>> /include/x86_64-linux-gnu/c++/4.8 -internal-isystem
>> /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/backward
>> -internal-isystem /usr/local/include -internal-isystem /us
>> r/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include
>> -internal-externc-isystem /include -internal-externc-isystem /usr/include
>> -internal-isystem /usr/lib
>> /gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8 -internal-isystem
>> /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8
>> -internal-isystem /usr/lib/gcc
>> /x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8
>> -internal-isystem
>> /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/backward
>> -internal-isystem /usr/lo
>> cal/cuda/include -include __clang_cuda_runtime_wrapper.h
>> -fdeprecated-macro -fno-dwarf-directory-asm -fdebug-compilation-dir
>> /usr/local/google/home/jingyue/Work -ferror-limit 19 -fm
>> essage-length 181 -pthread -fobjc-runtime=gcc -fcxx-exceptions
>> -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o
>> /tmp/axpy-925ebf.s -x cuda axpy.cu
>> clang -cc1 version 3.8.0 based upon LLVM 3.8.0svn default target
>> x86_64-unknown-linux-gnu
>> ignoring nonexistent directory "../../common/inc"
>> ignoring nonexistent directory "/include"
>> ignoring duplicate directory
>> "/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8"
>> ignoring duplicate directory
>> "/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8"
>> ignoring duplicate directory
>> "/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8"
>> ignoring duplicate directory
>> "/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8"
>> ignoring duplicate directory
>> "/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/backward"
>>
>>  [343/9788]
>> ignoring duplicate directory "/usr/local/include"
>> ignoring duplicate directory
>> "/usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include"
>> ignoring duplicate directory "/usr/include"
>> #include "..." search starts here:
>> #include <...> search starts here:
>>  /usr/local/cuda
>>  /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8
>>
>>  /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8
>>  /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/backward
>>  /usr/local/include
>>
>>  /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include
>>  /usr/include
>>  /usr/local/cuda/include
>> End of search list.
>> In file included from <built-in>:614:
>> In file included from <command line>:1:
>> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include/__clang_cuda_runtime_wrapper.h:169:31:
>> error: redefinition of '__brkpt'
>> static inline __device__ void __brkpt(int c) { __brkpt(); }
>>                               ^
>> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include/cuda_runtime.h:132:31:
>> note: previous definition is here
>> static inline __device__ void __brkpt(int c) { __brkpt(); }
>>                               ^
>> In file included from <built-in>:614:
>> In file included from <command line>:1:
>> In file included from
>> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include/__clang_cuda_runtime_wrapper.h:181:
>> /usr/local/cuda/include/device_functions.hpp:79:38: error: redefinition
>> of 'mulhi'
>> __DEVICE_FUNCTIONS_STATIC_DECL__ int mulhi(int a, int b)
>>                                      ^
>> /usr/local/cuda/include/device_functions.hpp:79:38: note: previous
>> definition is here
>> __DEVICE_FUNCTIONS_STATIC_DECL__ int mulhi(int a, int b)
>>                                      ^
>> In file included from <built-in>:614:
>> In file included from <command line>:1:
>> In file included from
>> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include/__clang_cuda_runtime_wrapper.h:181:
>> /usr/local/cuda/include/device_functions.hpp:84:47: error: redefinition
>> of 'mulhi'
>> __DEVICE_FUNCTIONS_STATIC_DECL__ unsigned int mulhi(unsigned int a,
>> unsigned int b)
>>                                               ^
>> /usr/local/cuda/include/device_functions.hpp:84:47: note: previous
>> definition is here
>> __DEVICE_FUNCTIONS_STATIC_DECL__ unsigned int mulhi(unsigned int a,
>> unsigned int b)
>>
>> On Mon, Jan 11, 2016 at 3:20 PM, Artem Belevich <tra at google.com> wrote:
>>
>>> Could you add '-v' to command line and send me what it prints on your
>>> box?
>>>
>>>
>>>
>>> On Mon, Jan 11, 2016 at 3:15 PM, Jingyue Wu <jingyue at google.com> wrote:
>>>
>>>> Environment:
>>>> LLVM/Clang version: r257392
>>>> CUDA 7.0
>>>> Ubuntu 14.04
>>>>
>>>> The axpy code can be found at
>>>> http://llvm.org/docs/CompileCudaWithLLVM.html. I also tried the
>>>> matrixMul in CUDA samples, and saw similar errors. I haven't tried CUDA
>>>> 7.5, but do we assume CUDA 7.5 only?
>>>>
>>>> Below is the command line I use and the error messages I got:
>>>>
>>>> jingyue Work% clang++ -I../../common/inc -L/usr/local/cuda/lib64
>>>> -I/usr/local/cuda axpy.cu -lcudart_static -lcuda -ldl -lrt -pthread
>>>>
>>>> In file included from <built-in>:614:
>>>> In file included from <command line>:1:
>>>> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include/__clang_cuda_runtime_wrapper.h:169:31:
>>>> error: redefinition of '__brkpt'
>>>> static inline __device__ void __brkpt(int c) { __brkpt(); }
>>>>                               ^
>>>> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include/cuda_runtime.h:132:31:
>>>> note: previous definition is here
>>>> static inline __device__ void __brkpt(int c) { __brkpt(); }
>>>>                               ^
>>>> In file included from <built-in>:614:
>>>> In file included from <command line>:1:
>>>> In file included from
>>>> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include/__clang_cuda_runtime_wrapper.h:181:
>>>> /usr/local/cuda/include/device_functions.hpp:79:38: error: redefinition
>>>> of 'mulhi'
>>>> __DEVICE_FUNCTIONS_STATIC_DECL__ int mulhi(int a, int b)
>>>>                                      ^
>>>> /usr/local/cuda/include/device_functions.hpp:79:38: note: previous
>>>> definition is here
>>>> __DEVICE_FUNCTIONS_STATIC_DECL__ int mulhi(int a, int b)
>>>>                                      ^
>>>> In file included from <built-in>:614:
>>>> In file included from <command line>:1:
>>>> In file included from
>>>> /usr/local/google/home/jingyue/Work/llvm/install-git/bin/../lib/clang/3.8.0/include/__clang_cuda_runtime_wrapper.h:181:
>>>> /usr/local/cuda/include/device_functions.hpp:84:47: error: redefinition
>>>> of 'mulhi'
>>>> __DEVICE_FUNCTIONS_STATIC_DECL__ unsigned int mulhi(unsigned int a,
>>>> unsigned int b)
>>>>                                               ^
>>>> /usr/local/cuda/include/device_functions.hpp:84:47: note: previous
>>>> definition is here
>>>> __DEVICE_FUNCTIONS_STATIC_DECL__ unsigned int mulhi(unsigned int a,
>>>> unsigned int b)
>>>>
>>>
>>>
>>>
>>> --
>>> --Artem Belevich
>>>
>>
>>
>
>
> --
> --Artem Belevich
>
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