[all-commits] [llvm/llvm-project] 880eb8: [SystemZ] Enable `-mtune=` option in clang.

[Kai Nacke via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 880eb839e63fb40de11e5f488cfef62d7ebbffbe
      https://github.com/llvm/llvm-project/commit/880eb839e63fb40de11e5f488cfef62d7ebbffbe
  Author: Kai Nacke <kai.nacke at de.ibm.com>
  Date:   2022-07-13 (Wed, 13 Jul 2022)

  Changed paths:
    M clang/docs/ClangCommandLineReference.rst
    M clang/include/clang/Driver/Options.td
    M clang/lib/Basic/Targets/SystemZ.h
    M clang/lib/Driver/ToolChains/Clang.cpp

  Log Message:
  -----------
  [SystemZ] Enable `-mtune=` option in clang.

https://reviews.llvm.org/D128910 enabled handling of
attribute "tune-cpu" in LLVM. This PR now enables
option `-mtune` in clang, which then generates the
new attribute.

Reviewed By: uweigand

Differential Revision: https://reviews.llvm.org/D129562