[COFF, ARM64] Fix ABI implementation of struct returns

Summary:
Refer the ABI doc at: https://docs.microsoft.com/en-us/cpp/build/arm64-windows-abi-conventions?view=vs-2019#return-values

Related clang patch: D60349

Reviewers: rnk, efriedma, TomTan, ssijaric

Reviewed By: rnk, efriedma

Subscribers: mstorsjo, javed.absar, kristof.beyls, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60348

llvm-svn: 359934
7 files changed
tree: e9fdeab58b37e92852c61425e7ae3d8430d1fd04
  1. clang/
  2. clang-tools-extra/
  3. compiler-rt/
  4. debuginfo-tests/
  5. libclc/
  6. libcxx/
  7. libcxxabi/
  8. libunwind/
  9. lld/
  10. lldb/
  11. llgo/
  12. llvm/
  13. openmp/
  14. parallel-libs/
  15. polly/
  16. pstl/
  17. .arcconfig
  18. .clang-format
  19. .clang-tidy
  20. .gitignore
  21. README.md
README.md

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