Clang fatal error: error in backend at link time

[dosarudaniel]

Hi,

When I am trying to execute make example9.1 in this code at this stage:

clang++ -O3 -DNDEBUG CMakeFiles/example9.1.dir/example9.cpp.o CMakeFiles/example9.1.dir/example9.dp.cpp.o CMakeFiles/example9.1.dir/electrons.dp.cpp.o CMakeFiles/example9.1.dir/gammas.dp.cpp.o -o example9.1  -Wl,-rpath,/home/dadosaru/oneAdePT/debug/external/g4hepem/lib:/usr/local/lib:/home/dadosaru/local/lib /home/dadosaru/local/lib/libvecgeom.a /home/dadosaru/local/lib/libvecgeomcuda_static.a /home/dadosaru/local/lib/libvgdml.a ../../external/g4hepem/lib/libg4HepEmInit.so ../../external/g4hepem/lib/libg4HepEmRun.so -fsycl -fsycl-unnamed-lambda -fsycl-targets=nvptx64-nvidia-cuda-sycldevice -Xsycl-target-backend=nvptx64-nvidia-cuda-sycldevice --cuda-gpu-arch=sm_61 -std=c++20 -stdlib=libstdc++ -Wno-unknown-cuda-version -D_ONEADEPT_ -DNDEBUG -DROOT_NO_INT128 -DG4HepEm_CUDA_BUILD -I/home/dadosaru/oneAdePT/../local/include /home/dadosaru/local/lib/libvecgeom.a -ldl -lrt -lpthread /usr/local/lib/libxerces-c.so /home/dadosaru/local/lib/libG4Tree.so /home/dadosaru/local/lib/libG4FR.so /home/dadosaru/local/lib/libG4GMocren.so /home/dadosaru/local/lib/libG4visHepRep.so /home/dadosaru/local/lib/libG4RayTracer.so /home/dadosaru/local/lib/libG4VRML.so /home/dadosaru/local/lib/libG4vis_management.so /home/dadosaru/local/lib/libG4modeling.so /home/dadosaru/local/lib/libG4interfaces.so /home/dadosaru/local/lib/libG4persistency.so /home/dadosaru/local/lib/libG4error_propagation.so /home/dadosaru/local/lib/libG4readout.so /home/dadosaru/local/lib/libG4physicslists.so /home/dadosaru/local/lib/libG4tasking.so /home/dadosaru/local/lib/libG4run.so /home/dadosaru/local/lib/libG4event.so /home/dadosaru/local/lib/libG4tracking.so /home/dadosaru/local/lib/libG4parmodels.so /home/dadosaru/local/lib/libG4processes.so /home/dadosaru/local/lib/libG4analysis.so /usr/lib/x86_64-linux-gnu/libexpat.so /home/dadosaru/local/lib/libG4digits_hits.so /home/dadosaru/local/lib/libG4track.so /home/dadosaru/local/lib/libG4particles.so /home/dadosaru/local/lib/libG4geometry.so /home/dadosaru/local/lib/libG4materials.so /home/dadosaru/local/lib/libG4graphics_reps.so /home/dadosaru/local/lib/libG4intercoms.so /home/dadosaru/local/lib/libG4global.so /home/dadosaru/local/lib/libG4zlib.so /home/dadosaru/local/lib/libG4ptl.so.0.0.2 -pthread /home/dadosaru/local/lib/libG4clhep.so ../../external/g4hepem/lib/libg4HepEmData.so

I have this error message

fatal error: error in backend: Cannot select: t53: f64 = fcos t52
  t52: f64 = fdiv t51, t37
    t51: f64 = fmul t49, ConstantFP:f64<-2.997925e+10>
      t49: f64 = fmul t46, t48
        t46: f64 = fmul t21, t45
          t21: f64 = select t20, t16, t18
            t20: i1 = setcc t16, t18, setolt:ch
              t16: f64,ch = CopyFromReg t0, Register:f64 %11
                t15: f64 = Register %11
              t18: f64,ch = CopyFromReg t0, Register:f64 %58
                t17: f64 = Register %58
            t16: f64,ch = CopyFromReg t0, Register:f64 %11
              t15: f64 = Register %11
            t18: f64,ch = CopyFromReg t0, Register:f64 %58
              t17: f64 = Register %58
          t45: f64,ch = CopyFromReg t0, Register:f64 %8
            t44: f64 = Register %8
        t48: f64,ch = CopyFromReg t0, Register:f64 %9
          t47: f64 = Register %9
      t50: f64 = ConstantFP<-2.997925e+10>
    t37: f64,ch = CopyFromReg t0, Register:f64 %6
      t36: f64 = Register %6
In function: _ZN22fieldPropagatorConstBz29ComputeStepAndPropagatedStateILb0EEEdddidRN7vecgeom4cuda8Vector3DIdEES5_RKNS2_13NavStateIndexERS6_
clang-13: error: clang frontend command failed with exit code 70 (use -v to see invocation)

If I am trying to link only one of the object files I get:

dadosaru@pcphsft106:~/oneAdePT/debug/examples/Example9.1$ clang++ -o example9.1 CMakeFiles/example9.1.dir/electrons.dp.cpp.o -fsycl -fsycl-targets=nvptx64-nvidia-cuda-sycldevice
clang-13: warning: Unknown CUDA version. cuda.h: CUDA_VERSION=11010. Assuming the latest supported version 10.1 [-Wunknown-cuda-version]
clang-13: /home/dadosaru/sycl_workspace_may/llvm/llvm/lib/Target/NVPTX/SYCL/LocalAccessorToSharedMemory.cpp:51: virtual bool {anonymous}::LocalAccessorToSharedMemory::runOnModule(llvm::Module&): Assertion `NvvmMetadata && "IR compiled to PTX must have nvvm.annotations"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.      Program arguments: /home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13 -cc1 -triple nvptx64-nvidia-cuda-sycldevice -fsycl-is-device -fdeclare-spirv-builtins -aux-triple x86_64-unknown-linux-gnu -Wno-sycl-strict -sycl-std=2020 -S -disable-free -main-file-name electrons.dp.cpp.o -mrelocation-model static -mframe-pointer=all -fno-rounding-math -fno-verbose-asm -no-integrated-as -aux-target-cpu x86-64 -internal-isystem /home/dadosaru/sycl_workspace_may/llvm/build//bin/../include/sycl -internal-isystem /home/dadosaru/sycl_workspace_may/llvm/build//bin/../include -mlink-builtin-bitcode /home/dadosaru/sycl_workspace_may/llvm/build/lib/clang/13.0.0/../../clc/libspirv-nvptx64--nvidiacl.bc -mlink-builtin-bitcode /usr/local/cuda-11.1/nvvm/libdevice/libdevice.10.bc -target-feature +ptx71 -target-sdk-version=11.1 -target-cpu sm_50 -mllvm -treat-scalable-fixed-error-as-warning -debugger-tuning=gdb -resource-dir /home/dadosaru/sycl_workspace_may/llvm/build/lib/clang/13.0.0 -fno-dwarf-directory-asm -fdebug-compilation-dir=/home/dadosaru/oneAdePT/debug/examples/Example9.1 -ferror-limit 19 -fgnuc-version=4.2.1 -fcolor-diagnostics -o /tmp/electrons-ffd0f4.s -x ir /tmp/electrons-efe1e1.bc
1.      Code generation
2.      Running pass 'localaccessortosharedmemory' on module '/tmp/electrons-efe1e1.bc'.
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_ZN4llvm3sys15PrintStackTraceERNS_11raw_ostreamEi+0x2c)[0x5593c120cecc]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_ZN4llvm3sys17RunSignalHandlersEv+0x34)[0x5593c120ab04]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(+0x2085c73)[0x5593c120ac73]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x128a0)[0x7fde16be18a0]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7fde15847f47]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7fde158498b1]
/lib/x86_64-linux-gnu/libc.so.6(+0x3042a)[0x7fde1583942a]
/lib/x86_64-linux-gnu/libc.so.6(+0x304a2)[0x7fde158394a2]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(+0xfa7e06)[0x5593c012ce06]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE+0x351)[0x5593c09d2901]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(+0x237ae20)[0x5593c14ffe20]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_ZN5clang17EmitBackendOutputERNS_17DiagnosticsEngineERKNS_19HeaderSearchOptionsERKNS_14CodeGenOptionsERKNS_13TargetOptionsERKNS_11LangOptionsERKN4llvm10DataLayoutEPNSE_6ModuleENS_13BackendActionESt10unique_ptrINSE_17raw_pwrite_streamESt14default_deleteISM_EE+0x43e)[0x5593c1501dbe]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_ZN5clang13CodeGenAction13ExecuteActionEv+0xa3f)[0x5593c218ea5f]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_ZN5clang14FrontendAction7ExecuteEv+0xc9)[0x5593c1b402b9]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_ZN5clang16CompilerInstance13ExecuteActionERNS_14FrontendActionE+0x151)[0x5593c1adb761]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_ZN5clang25ExecuteCompilerInvocationEPNS_16CompilerInstanceE+0x960)[0x5593c1c09dc0]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_Z8cc1_mainN4llvm8ArrayRefIPKcEES2_Pv+0x8b4)[0x5593bfdc8ad4]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(+0xc400f7)[0x5593bfdc50f7]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(main+0x10ac)[0x5593bfd3be1c]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7)[0x7fde1582ab97]
/home/dadosaru/sycl_workspace_may/llvm/build/bin/clang-13(_start+0x2a)[0x5593bfdc4b5a]
clang-13: error: unable to execute command: Aborted (core dumped)
clang-13: error: clang frontend command failed due to signal (use -v to see invocation)
clang version 13.0.0 (git@github.com:dosarudaniel/llvm.git 6a49170027fba61cea649ffdd299ed095b5e3d75)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/dadosaru/sycl_workspace_may/llvm/build//bin
clang-13: note: diagnostic msg: Error generating preprocessed source(s) - no preprocessable inputs.

clang version used: 13.0.0 (git@github.com:dosarudaniel/llvm.git 6a49170) (Future may release as suggested in this post )

Did anyone encounter any of this before? Do you have any ideas that I could try ?

[alexbatashev]

@dosarudaniel could you please file a bug report in issues section? https://github.com/intel/llvm/issues

[dosarudaniel]

Added here: #3678

[alexbatashev]

Thanks. I'll close this discussion.