[llvm-bugs] [Bug 49250] New: current libomptarget test failures

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=49250

            Bug ID: 49250
           Summary: current libomptarget test failures
           Product: OpenMP
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Runtime Library
          Assignee: unassignedbugs at nondot.org
          Reporter: jdenny.ornl at gmail.com
                CC: jdoerfert at anl.gov, llvm-bugs at lists.llvm.org

I see 4 consistent libomptarget test failures on main at 3c4c205060c.

I am running Ubuntu 18.04.5 LTS on x86_64 with an NVIDIA GPU.  I am building
with -DLLVM_ENABLE_PROJECTS=clang and -DLLVM_ENABLE_RUNTIMES=openmp.  Compiler
is clang 10 (for building clang and llvm).  CUDA is 11.2.

Below are some relevant excerpts from lit's output.  Please let me know if you
need more information.  It's possible some of this is just my configuration, so
let me know if you cannot reproduce.

```
Failed Tests (4):
  libomptarget :: mapping/lambda_mapping.cpp
  libomptarget :: offloading/bug49021.cpp
  libomptarget :: offloading/memory_manager.cpp
  libomptarget :: offloading/parallel_offloading_map.cpp


FAIL: libomptarget :: offloading/memory_manager.cpp

$ ":" "RUN: at line 4"

memory_manager.cpp.tmp-x86_64-pc-linux-gnu:
/home/jdenny/ornl/llvm/llvm-mono-git/openmp/libomptarget/test/offloading/memory_manager.cpp:37:
int main(int, char **): Assertion `buffer[j] == i' failed.


FAIL: libomptarget :: offloading/parallel_offloading_map.cpp

$ ":" "RUN: at line 4"

parallel_offloading_map.cpp.tmp-x86_64-pc-linux-gnu:
/home/jdenny/ornl/llvm/llvm-mono-git/openmp/libomptarget/test/offloading/parallel_offloading_map.cpp:35:
int main(int, char **): Assertion `array[i] == ref' failed.


FAIL: libomptarget :: mapping/lambda_mapping.cpp

$ ":" "RUN: at line 5"

ptxas /tmp/lambda_mapping-081ea9.s, line 828; error   : Not a name of any known
instruction: 'activemask'
ptxas fatal   : Ptx assembly aborted due to errors
clang-13: error: ptxas command failed with exit code 255 (use -v to see
invocation)


FAIL: libomptarget :: offloading/bug49021.cpp

$ ":" "RUN: at line 5"

ptxas /tmp/bug49021-57542e.s, line 482; error   : Not a name of any known
instruction: 'activemask'
ptxas /tmp/bug49021-57542e.s, line 1032; error   : Not a name of any known
instruction: 'activemask'
ptxas /tmp/bug49021-57542e.s, line 1361; error   : Not a name of any known
instruction: 'activemask'
ptxas /tmp/bug49021-57542e.s, line 1379; error   : Not a name of any known
instruction: 'activemask'
ptxas /tmp/bug49021-57542e.s, line 1391; error   : Not a name of any known
instruction: 'activemask'
ptxas /tmp/bug49021-57542e.s, line 1987; error   : Not a name of any known
instruction: 'activemask'
ptxas /tmp/bug49021-57542e.s, line 2608; error   : Not a name of any known
instruction: 'activemask'
ptxas /tmp/bug49021-57542e.s, line 2937; error   : Not a name of any known
instruction: 'activemask'
ptxas /tmp/bug49021-57542e.s, line 2956; error   : Not a name of any known
instruction: 'activemask'
ptxas /tmp/bug49021-57542e.s, line 2968; error   : Not a name of any known
instruction: 'activemask'
ptxas fatal   : Ptx assembly aborted due to errors
clang-13: error: ptxas command failed with exit code 255 (use -v to see
invocation)
````

Johannes: These are 4 of the test failures we discussed on Monday.  The 5th
stopped failing after another pull.

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