[PATCH] D142327: [clang][RISCV] Fix ABI handling of empty structs with hard FP calling conventions in C++

[Alex Bradbury via Phabricator via cfe-commits]

asb updated this revision to Diff 546012.
asb added a comment.

This update includes test coverage for the bug that was fixed in the reverted version of the patch.

Thanks @rogfer01 for the smaller test case. To my surprise, cvise stripped out almost everything and test_s9 in abi-empty-structs.c reliably caused the assert for me.

Re-review appreciated in order to get this landed and ideally cherry-picked for the 17.x.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142327/new/

https://reviews.llvm.org/D142327

Files:
  clang/docs/ReleaseNotes.rst
  clang/lib/CodeGen/ABIInfoImpl.cpp
  clang/lib/CodeGen/ABIInfoImpl.h
  clang/lib/CodeGen/Targets/RISCV.cpp
  clang/test/CodeGen/RISCV/abi-empty-structs.c

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