[PATCH] D90299: [windows-itanium] handle dllimport/export code paths separately and share with PS4

[ben via Phabricator via llvm-commits]

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Similar to Windows Itanium, PS4 is also an Itanium C++ ABI variant and shares the goal of source code compatibility with Microsoft code that uses dllimport/export.

This change introduces a new function to determine from the triple if an environment aims for compatibility with MS w.r.t these attributes and guards the relevant code paths using that function.

Note: PS4 testcases will be added later as the upstream PS4 target does not yet have working support for dllimport/export attributes.


https://reviews.llvm.org/D90299

Files:
  clang/lib/CodeGen/ItaniumCXXABI.cpp
  clang/lib/Sema/SemaDeclAttr.cpp
  clang/lib/Sema/SemaDeclCXX.cpp
  clang/lib/Sema/SemaTemplate.cpp
  llvm/include/llvm/ADT/Triple.h

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