[PATCH] D133539: [OpenMP] Replace OpenMP register requires constructor with a global array

[Joseph Huber via Phabricator via llvm-commits]

jhuber6 updated this revision to Diff 490915.
jhuber6 added a comment.
Herald added a project: OpenMP.
Herald added a subscriber: openmp-commits.

Updating. The problem is that I really don't want these global constructors
around but fixing up the existing ABI is a little painful. The previous option
was to just mark old applications as hard failures and crash. Introducing new
runtime functions made from clang is similarly painful since it can cause some
linker errors when mixing older versions.

I tried this method of changin the struct but detecting if it's the old version
and converting to it. I'm not really a fan, but it works. I set the first field
to be a negative version number so we can detect if it's new or old. If other
people are comfortable with just forcing people to recompile then I'd be happier
with that, but this is backwards compatible to an extent.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D133539/new/

https://reviews.llvm.org/D133539

Files:
  clang/lib/CodeGen/CGOpenMPRuntime.cpp
  clang/lib/CodeGen/CGOpenMPRuntime.h
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/test/Driver/linker-wrapper-image.c
  clang/test/OpenMP/distribute_codegen.cpp
  clang/test/OpenMP/distribute_firstprivate_codegen.cpp
  clang/test/OpenMP/distribute_lastprivate_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_firstprivate_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_if_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_lastprivate_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_num_threads_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_private_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_proc_bind_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_simd_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_simd_firstprivate_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_simd_if_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_simd_lastprivate_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_simd_num_threads_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_simd_private_codegen.cpp
  clang/test/OpenMP/distribute_parallel_for_simd_proc_bind_codegen.cpp
  clang/test/OpenMP/distribute_private_codegen.cpp
  clang/test/OpenMP/distribute_simd_codegen.cpp
  clang/test/OpenMP/distribute_simd_firstprivate_codegen.cpp
  clang/test/OpenMP/distribute_simd_lastprivate_codegen.cpp
  clang/test/OpenMP/distribute_simd_private_codegen.cpp
  clang/test/OpenMP/distribute_simd_reduction_codegen.cpp
  clang/test/OpenMP/nvptx_lambda_capturing.cpp
  clang/test/OpenMP/openmp_offload_registration.cpp
  clang/test/OpenMP/reduction_implicit_map.cpp
  clang/test/OpenMP/target_codegen.cpp
  clang/test/OpenMP/target_codegen_global_capture.cpp
  clang/test/OpenMP/target_codegen_registration.cpp
  clang/test/OpenMP/target_depend_codegen.cpp
  clang/test/OpenMP/target_has_device_addr_codegen.cpp
  clang/test/OpenMP/target_has_device_addr_codegen_01.cpp
  clang/test/OpenMP/target_map_codegen_03.cpp
  clang/test/OpenMP/target_offload_mandatory_codegen.cpp
  clang/test/OpenMP/target_parallel_codegen.cpp
  clang/test/OpenMP/target_parallel_codegen_registration.cpp
  clang/test/OpenMP/target_parallel_depend_codegen.cpp
  clang/test/OpenMP/target_parallel_for_codegen.cpp
  clang/test/OpenMP/target_parallel_for_codegen_registration.cpp
  clang/test/OpenMP/target_parallel_for_depend_codegen.cpp
  clang/test/OpenMP/target_parallel_for_simd_codegen.cpp
  clang/test/OpenMP/target_parallel_for_simd_codegen_registration.cpp
  clang/test/OpenMP/target_parallel_for_simd_depend_codegen.cpp
  clang/test/OpenMP/target_parallel_if_codegen.cpp
  clang/test/OpenMP/target_parallel_num_threads_codegen.cpp
  clang/test/OpenMP/target_simd_codegen.cpp
  clang/test/OpenMP/target_simd_codegen_registration.cpp
  clang/test/OpenMP/target_simd_depend_codegen.cpp
  clang/test/OpenMP/target_teams_codegen.cpp
  clang/test/OpenMP/target_teams_codegen_registration.cpp
  clang/test/OpenMP/target_teams_depend_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_codegen_registration.cpp
  clang/test/OpenMP/target_teams_distribute_collapse_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_depend_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_dist_schedule_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_firstprivate_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_lastprivate_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_collapse_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_depend_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_dist_schedule_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_firstprivate_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_if_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_lastprivate_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_order_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_private_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_proc_bind_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_reduction_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_schedule_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_codegen_registration.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_collapse_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_depend_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_dist_schedule_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_firstprivate_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_if_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_lastprivate_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_private_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_proc_bind_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_reduction_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_schedule_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_private_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_reduction_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_simd_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_simd_codegen_registration.cpp
  clang/test/OpenMP/target_teams_distribute_simd_collapse_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_simd_depend_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_simd_dist_schedule_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_simd_firstprivate_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_simd_lastprivate_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_simd_private_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_simd_reduction_codegen.cpp
  clang/test/OpenMP/target_teams_map_codegen.cpp
  clang/test/OpenMP/target_teams_num_teams_codegen.cpp
  clang/test/OpenMP/target_teams_thread_limit_codegen.cpp
  clang/test/OpenMP/teams_codegen.cpp
  clang/test/OpenMP/teams_distribute_codegen.cpp
  clang/test/OpenMP/teams_distribute_collapse_codegen.cpp
  clang/test/OpenMP/teams_distribute_dist_schedule_codegen.cpp
  clang/test/OpenMP/teams_distribute_firstprivate_codegen.cpp
  clang/test/OpenMP/teams_distribute_lastprivate_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_collapse_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_copyin_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_dist_schedule_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_firstprivate_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_if_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_lastprivate_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_num_threads_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_private_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_proc_bind_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_reduction_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_schedule_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_collapse_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_dist_schedule_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_firstprivate_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_if_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_lastprivate_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_num_threads_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_private_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_proc_bind_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_reduction_codegen.cpp
  clang/test/OpenMP/teams_distribute_parallel_for_simd_schedule_codegen.cpp
  clang/test/OpenMP/teams_distribute_private_codegen.cpp
  clang/test/OpenMP/teams_distribute_reduction_codegen.cpp
  clang/test/OpenMP/teams_distribute_simd_codegen.cpp
  clang/test/OpenMP/teams_distribute_simd_collapse_codegen.cpp
  clang/test/OpenMP/teams_distribute_simd_dist_schedule_codegen.cpp
  clang/test/OpenMP/teams_distribute_simd_firstprivate_codegen.cpp
  clang/test/OpenMP/teams_distribute_simd_lastprivate_codegen.cpp
  clang/test/OpenMP/teams_distribute_simd_private_codegen.cpp
  clang/test/OpenMP/teams_distribute_simd_reduction_codegen.cpp
  clang/test/OpenMP/teams_firstprivate_codegen.cpp
  clang/test/OpenMP/teams_private_codegen.cpp
  clang/tools/clang-linker-wrapper/OffloadWrapper.cpp
  llvm/include/llvm/Frontend/OpenMP/OMPKinds.def
  llvm/test/Transforms/OpenMP/add_attributes.ll
  openmp/libomptarget/include/omptarget.h
  openmp/libomptarget/include/rtl.h
  openmp/libomptarget/src/interface.cpp
  openmp/libomptarget/src/rtl.cpp
  openmp/libomptarget/test/offloading/requires.c
  openmp/libomptarget/tools/deviceinfo/llvm-omp-device-info.cpp

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