[clang] [llvm] [HLSL][SPIRV] Add support for -g to generate NonSemantic Debug Info (PR #187051)

Thu Mar 26 07:18:03 PDT 2026

sarnex wrote:

Hi @dnovillo 
We are seeing a few ffailures on our builder after this change (comment above is our builder)

```
******************** TEST 'libomptarget :: spirv64-intel :: sanitizer/free_wrong_ptr_kind.c' FAILED ********************
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./bin/clang -fopenmp    -I /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test -I /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src  -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib  -fopenmp-targets=spirv64-intel -O3 /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test/sanitizer/free_wrong_ptr_kind.c -o /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload/test/spirv64-intel/sanitizer/Output/free_wrong_ptr_kind.c.tmp
# executed command: /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./bin/clang -fopenmp -I /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test -I /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -fopenmp-targets=spirv64-intel -O3 /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test/sanitizer/free_wrong_ptr_kind.c -o /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload/test/spirv64-intel/sanitizer/Output/free_wrong_ptr_kind.c.tmp
# RUN: at line 3
/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./bin/not --crash env -u LLVM_DISABLE_SYMBOLIZATION OFFLOAD_TRACK_ALLOCATION_TRACES=1 /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload/test/spirv64-intel/sanitizer/Output/free_wrong_ptr_kind.c.tmp 2>&1 | /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./bin/FileCheck /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test/sanitizer/free_wrong_ptr_kind.c --check-prefixes=CHECK,NDEBG
# executed command: /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./bin/not --crash env -u LLVM_DISABLE_SYMBOLIZATION OFFLOAD_TRACK_ALLOCATION_TRACES=1 /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload/test/spirv64-intel/sanitizer/Output/free_wrong_ptr_kind.c.tmp
# executed command: /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./bin/FileCheck /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test/sanitizer/free_wrong_ptr_kind.c --check-prefixes=CHECK,NDEBG
# RUN: at line 4
/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./bin/clang -fopenmp    -I /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test -I /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src  -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib  -fopenmp-targets=spirv64-intel -O3 /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test/sanitizer/free_wrong_ptr_kind.c -o /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload/test/spirv64-intel/sanitizer/Output/free_wrong_ptr_kind.c.tmp -g
# executed command: /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./bin/clang -fopenmp -I /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test -I /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -L /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -Wl,-rpath,/home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/./lib -fopenmp-targets=spirv64-intel -O3 /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/llvm-project/offload/test/sanitizer/free_wrong_ptr_kind.c -o /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/runtimes/runtimes-bins/offload/test/spirv64-intel/sanitizer/Output/free_wrong_ptr_kind.c.tmp -g
# .---command stderr------------
# | fatal error: error in backend: Unable to meet SPIR-V requirements for this target.
# | clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
# | clang version 23.0.0git (https://github.com/llvm/llvm-project.git 85049fc357ac3917350b97f4812209d9d00fe808)
# | Target: x86_64-unknown-linux-gnu
# | Thread model: posix
# | InstalledDir: /home/test-user/llvm-buildbot-worker/intel-sycl-gpu/build/bin
# | Build config: +assertions
# | clang: note: diagnostic msg: 
# | ********************
# | 
# | PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
# | Preprocessed source(s) and associated run script(s) are located at:
# | clang: note: diagnostic msg: /tmp/lit-tmp-duy2ovua/free_wrong_ptr_kind-2ef2e3.c
# | clang: note: diagnostic msg: /tmp/lit-tmp-duy2ovua/free_wrong_ptr_kind-18d5a7.c
# | clang: note: diagnostic msg: /tmp/lit-tmp-duy2ovua/free_wrong_ptr_kind-2ef2e3.sh
# | clang: note: diagnostic msg: 
# | 
# | ********************
# `-----------------------------
# error: command failed with exit status: 1
--
********************
```

Seems to be the error message.

Can you take a look and revert your change if the fix isn't simple? Thanks

https://github.com/llvm/llvm-project/pull/187051