[CUDA] Asserts tests from llvm-test-suite are failed for unresolved extern function '_wassert' on Windows

[yuxianch]

Describe the bug
Asserts tests from intel/llvm-test-suite are failed for unresolved extern function '_wassert' with CUDA backend on Windows

To Reproduce

1. Failed tests are from intel/llvm-test-suite, which are

  SYCL :: Assert/assert_in_kernels_win.cpp
  SYCL :: Assert/assert_in_multiple_tus_one_ndebug_win.cpp
  SYCL :: Assert/assert_in_multiple_tus_win.cpp
  SYCL :: Assert/assert_in_one_kernel_win.cpp
  SYCL :: Assert/assert_in_simultaneous_kernels_win.cpp

2. Commands used to compile and launch the program
   Take SYCL/Assert/assert_in_multiple_tus.cpp as an example.

clang-cl /EHsc -DSYCL_ENABLE_FALLBACK_ASSERT -fsycl -fsycl-targets=nvptx64-nvidia-cuda -DDEFINE_NDEBUG_INFILE2 -I ./SYCL/Assert/Inputs SYCL/Assert/assert_in_multiple_tus.cpp SYCL/Assert/Inputs/kernels_in_file2.cpp -o build/SYCL/Assert/Output/assert_in_multiple_tus_one_ndebug_win.cpp.tmp.out

Error message:

ptxas fatal   : Unresolved extern function '_wassert'
llvm-foreach:
Assertion failed: !KeyInfoT::isEqual(Val, EmptyKey) && !KeyInfoT::isEqual(Val, TombstoneKey) && "Empty/Tombstone value shouldn't be inserted into map!", file ${compiler_build_path}\llvm\include\llvm/ADT/DenseMap.h, line 624

Environment

• OS: Windows
• Target device and vendor: Nvidia GPU
• DPC++ version: https://github.com/intel/llvm.git 3ef8c82
• CUDA version:

Cuda compilation tools, release 11.4, V11.4.120
Build cuda_11.4.r11.4/compiler.30300941_0

[bader]

According to @s-kanaev, DPC++ assert extension is not supported by CUDA back-end yet, so the suggestion is to add "UNSUPPORTED: cuda" mark to these test and re-classify this issue as a feature request, rather than a bug.

[s-kanaev]

Fixed in intel/llvm-test-suite#533

[bader]

Fixed in intel/llvm-test-suite#533

"Fixed" here means tests are disabled as feature is not supported.

Once intel/llvm-test-suite#533 is merged, I suggest we replace "bug" label with "enhancement" to enable this feature later.

[pvchupin]

Once intel/llvm-test-suite#533 is merged, I suggest we replace "bug" label with "enhancement" to enable this feature later.

That makes sense. Can also remove blocker label as soon as intel/llvm-test-suite#533 is merged.

[jchlanda]

I believe this has been fixed in: f29b498
(now moved to libdevice: 1fe92c5)
@yuxianch are you still experiencing that error?