[all-commits] [llvm/llvm-project] f37101: [OpenMP] Add `-Xoffload-linker` to forward input t...

[Joseph Huber via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f37101983fc9fabbbde4b10f613ed248a424d71a
      https://github.com/llvm/llvm-project/commit/f37101983fc9fabbbde4b10f613ed248a424d71a
  Author: Joseph Huber <jhuber6 at vols.utk.edu>
  Date:   2022-05-24 (Tue, 24 May 2022)

  Changed paths:
    M clang/include/clang/Driver/Options.td
    M clang/lib/Driver/ToolChains/Clang.cpp
    M clang/test/Driver/linker-wrapper.c
    M clang/test/Driver/openmp-offload-gpu-new.c
    M clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp

  Log Message:
  -----------
  [OpenMP] Add `-Xoffload-linker` to forward input to the device linker

We use the clang-linker-wrapper to perform device linking of embedded
offloading object files. This is done by generating those jobs inside of
the linker-wrapper itself. This patch adds an argument in Clang and the
linker-wrapper that allows users to forward input to the device linking
phase. This can either be done for every device linker, or for a
specific target triple. We use the `-Xoffload-linker <arg>` and the
`-Xoffload-linker-<triple> <arg>` syntax to accomplish this.

Reviewed By: markdewing, tra

Differential Revision: https://reviews.llvm.org/D126226