[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 15:25:19 PST 2016 

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
>
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