[PATCH] D151590: [Driver] Add ClangFlags::TargetSpecific to simplify err_drv_unsupported_opt_for_target processing

[Fangrui Song via Phabricator via cfe-commits]

MaskRay updated this revision to Diff 526722.
MaskRay added a comment.

Rebase.
Fix amdgpu. I suspect D145579 <https://reviews.llvm.org/D145579> introduced latent -march= and -mcpu= interaction issues but I will leave the test coverage to amdgpu folks.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D151590/new/

https://reviews.llvm.org/D151590

Files:
  clang/include/clang/Driver/Options.h
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/Driver.cpp
  clang/lib/Driver/ToolChains/AIX.cpp
  clang/lib/Driver/ToolChains/AIX.h
  clang/lib/Driver/ToolChains/Arch/PPC.cpp
  clang/lib/Driver/ToolChains/Arch/Sparc.cpp
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Driver/ToolChains/CommonArgs.cpp
  clang/test/Driver/mdefault-visibility-export-mapping.c

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