refs/heads/master - llvm-project/openmp

commit: 1152a659611026565c9a9caf35483fc0e5b6100c
[log]
author: Amit Tiwari <Amit.Tiwari@amd.com>
Tue Sep 22 10:38:48 2026 +0530
committer: Copybara-Service <copybara-worker@google.com>
Mon Sep 21 22:13:18 2026 -0700
tree: 128eaed30b35e634dba69b201815efc547bbaf87
parent: 59b9991622aa97d55407e5b45971e5fe67b41faf [diff]

[libomp] OpenMP 6.0 Device-Scope Environment Variables  (#197191)

The patch introduces `_ALL` `_DEV` `_DEV_<id>` env var suffixes to the
LLVM's OpenMP host runtime `libomp`. The eligible-list env var currently
supports `OMP_NUM_THREADS`.

Assisted by Claude Opus 4.7 / Claude 4.6 Sonnet

GitOrigin-RevId: 94f5dd0eb25ed97603af1d0a501c412fcfea6696

runtime/src/CMakeLists.txt[diff]
runtime/src/dllexports[diff]
runtime/src/i18n/en_US.txt[diff]
runtime/src/kmp_device_env.cpp[Added - diff]
runtime/src/kmp_device_env.h[Added - diff]
runtime/src/kmp_runtime.cpp[diff]
runtime/src/kmp_settings.cpp[diff]
runtime/test/env/omp_default_device_all_rejected.c[Added - diff]
runtime/test/env/omp_denylist_extra_coverage.c[Added - diff]
runtime/test/env/omp_num_threads_all_demo.c[Added - diff]
runtime/test/env/omp_num_threads_all_host.c[Added - diff]
runtime/test/env/omp_num_threads_all_set_defaults.c[Added - diff]
runtime/test/env/omp_num_threads_dev_all_fallback.c[Added - diff]
runtime/test/env/omp_num_threads_dev_invalid.c[Added - diff]
runtime/test/env/omp_num_threads_dev_overflow.c[Added - diff]
runtime/test/env/omp_num_threads_dev_resolve.c[Added - diff]
runtime/test/env/omp_num_threads_host_overrides_all.c[Added - diff]
runtime/test/env/omp_num_threads_host_vs_device.c[Added - diff]
runtime/test/env/omp_num_threads_warnings_off.c[Added - diff]

19 files changed

tree: 128eaed30b35e634dba69b201815efc547bbaf87