Backend error

I am seeing a application build error shown below:

[ 7%] Building CXX object sli/CMakeFiles/sli_lib.dir/
fatal error: error in backend: Cannot select: t42: i16,ch = AtomicLoad<(volatile load acquire 1 from i8 addrspace(1)* bitcast (i64 addrspace(1)* @_ZGVZNK16FilesystemModule14TmpNamFunction7executeEP14SLIInterpreterE4seed to i8 addrspace(1)*), align 8,
addrspace 1)> t7:1, t46
t46: i64 = NVPTXISD::Wrapper TargetGlobalAddress:i64<i64 addrspace(1)* @_ZGVZNK16FilesystemModule14TmpNamFunction7executeEP14SLIInterpreterE4seed> 0
t45: i64 = TargetGlobalAddress<i64 addrspace(1)* @_ZGVZNK16FilesystemModule14TmpNamFunction7executeEP14SLIInterpreterE4seed> 0
In function: _ZNK16FilesystemModule14TmpNamFunction7executeEP14SLIInterpreter
clang-8: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 8.0.0 ( e20516350f5e2062f0b5f49efb56acd94c83e5e4) ( c04ae04bb3ce0d715190819fa3f5c001c471d969)
Target: powerpc64le-unknown-linux-gnu
Thread model: posix
InstalledDir: /gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin
clang-8: note: diagnostic msg: PLEASE submit a bug report to and include the crash backtrace, preprocessed source, and associated run script.
clang-8: note: diagnostic msg: Error generating preprocessed source(s).
make[2]: *** [sli/CMakeFiles/sli_lib.dir/] Error 70
make[1]: *** [sli/CMakeFiles/sli_lib.dir/all] Error 2
make: *** [all] Error 2

The LLVM/Clang toolchain I’m using is the trunk clang-8.

Could you please report this as a bug at

Best, Jonas

Please see: