[PATCH] D68746: [Clang][OpenMP Offload] Move offload registration code to the wrapper

[Sergey Dmitriev via Phabricator via cfe-commits]

sdmitriev created this revision.
sdmitriev added reviewers: ABataev, hfinkel, JonChesterfield.
sdmitriev added a project: clang.
Herald added subscribers: cfe-commits, mgrang, guansong.
Herald added a reviewer: jdoerfert.

The final list of OpenMP offload targets becomes known only at the link time and since offload registration code depends on the targets list it makes sense to delay offload registration code generation to the link time instead of adding it to the host part of every fat object. This patch moves offload registration code generation from clang to the offload wrapper tool.

This if the last part of the OpenMP linker script elimination patch https://reviews.llvm.org/D64943


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D68746

Files:
  clang/lib/CodeGen/CGOpenMPRuntime.cpp
  clang/lib/CodeGen/CGOpenMPRuntime.h
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/clang-offload-wrapper.c
  clang/test/OpenMP/openmp_offload_registration.cpp
  clang/test/OpenMP/target_codegen.cpp
  clang/test/OpenMP/target_codegen_registration.cpp
  clang/test/OpenMP/target_depend_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_depend_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_depend_codegen.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_codegen_registration.cpp
  clang/test/OpenMP/target_teams_distribute_parallel_for_simd_depend_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_depend_codegen.cpp
  clang/test/OpenMP/target_teams_num_teams_codegen.cpp
  clang/test/OpenMP/target_teams_thread_limit_codegen.cpp
  clang/tools/clang-offload-wrapper/ClangOffloadWrapper.cpp

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