[cfe-dev] [llvm-dev] Using Clang Tools on CUDA Programs

Jingyue Wu via cfe-dev cfe-dev at lists.llvm.org
Tue Dec 22 10:45:02 PST 2015


+cfe-dev

On Mon, Dec 21, 2015 at 10:07 AM, Izzat El Hajj via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello,
>
> I'm not sure if this is the right place to post this question. If not, I
> apologize and would appreciate if you redirect me.
>
> I recently built and installed llvm/clang in order to build a CUDA
> source-to-source translator using Clang. I followed these instructions:
> http://clang.llvm.org/docs/LibASTMatchersTutorial.html.
>
> The built-in tools (like clang-check) work fine on C/C++ programs, but
> they don't work on CUDA. If I execute the following command (regardless of
> what kernel.cu contains) I get the error shown:
>
> $ clang-check kernel.cu --
>
> error: unable to handle compilation, expected exactly one compiler job in
> ' "/usr/local/bin/clang-check" "-cc1" "-triple" "nvptx64-nvidia-cuda"
> "-aux-triple" "x86_64-unknown-linux-gnu" "-fcuda-target-overloads"
> "-fcuda-disable-target-call-checks" "-fsyntax-only" "-disable-free"
> "-main-file-name" "kernel.cu" "-mrelocation-model" "static"
> "-mthread-model" "posix" "-mdisable-fp-elim" "-fmath-errno"
> "-no-integrated-as" "-mconstructor-aliases" "-fcuda-is-device"
> "-mlink-cuda-bitcode"
> "/usr/local/cuda/nvvm/libdevice/libdevice.compute_20.10.bc"
> "-target-feature" "+ptx42" "-target-cpu" "sm_20" "-dwarf-column-info"
> "-resource-dir" "/usr/local/bin/../lib/clang/3.8.0" "-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"
> "/usr/local/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/local/cuda/include" "-include"
> "__clang_cuda_runtime_wrapper.h" "-fdeprecated-macro"
> "-fno-dwarf-directory-asm" "-fdebug-compilation-dir" "/<path>/test"
> "-ferror-limit" "19" "-fmessage-length" "192" "-fobjc-runtime=gcc"
> "-fcxx-exceptions" "-fexceptions" "-fdiagnostics-show-option"
> "-fcolor-diagnostics" "-x" "cuda" "/<path>/test/kernel.cu";
>  "/usr/local/bin/clang-check" "-cc1" "-triple" "x86_64-unknown-linux-gnu"
> "-aux-triple" "nvptx64-nvidia-cuda" "-fcuda-target-overloads"
> "-fcuda-disable-target-call-checks" "-fsyntax-only" "-disable-free"
> "-main-file-name" "kernel.cu" "-mrelocation-model" "static"
> "-mthread-model" "posix" "-mdisable-fp-elim" "-fmath-errno" "-masm-verbose"
> "-mconstructor-aliases" "-munwind-tables" "-fuse-init-array" "-target-cpu"
> "x86-64" "-dwarf-column-info" "-resource-dir"
> "/usr/local/bin/../lib/clang/3.8.0" "-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"
> "/usr/local/bin/../lib/clang/3.8.0/include" "-internal-externc-isystem"
> "/usr/include/x86_64-linux-gnu" "-internal-externc-isystem" "/include"
> "-internal-externc-isystem" "/usr/include" "-internal-isystem"
> "/usr/local/cuda/include" "-include" "__clang_cuda_runtime_wrapper.h"
> "-fdeprecated-macro" "-fdebug-compilation-dir" "/<path>/test"
> "-ferror-limit" "19" "-fmessage-length" "192" "-fobjc-runtime=gcc"
> "-fcxx-exceptions" "-fexceptions" "-fdiagnostics-show-option"
> "-fcolor-diagnostics" "-x" "cuda" "/<path>/test/kernel.cu"; '
> Error while processing /<path>/test/kernel.cu.
>
>
> I searched thoroughly online before posting here but could not find
> relevant answers. Any help would be appreciated.
>
> Thanks!
>
> -Izzat
>
>
>
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>
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