[all-commits] [llvm/llvm-project] e7a8a7: [Clang][LoongArch] Fix ABI handling of empty struc...

Lu Weining via All-commits all-commits at lists.llvm.org
Mon Aug 7 18:12:42 PDT 2023


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e7a8a7d4977627ebc43e9ed43462aebad4a66e8d
      https://github.com/llvm/llvm-project/commit/e7a8a7d4977627ebc43e9ed43462aebad4a66e8d
  Author: Weining Lu <luweining at loongson.cn>
  Date:   2023-08-08 (Tue, 08 Aug 2023)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/CodeGen/Targets/LoongArch.cpp
    M clang/test/CodeGen/LoongArch/abi-lp64d-empty-structs.c

  Log Message:
  -----------
  [Clang][LoongArch] Fix ABI handling of empty structs in C++ to match GCC behaviour

GCC doesn't ignore non-zero-length array of empty structures in C++
while clang does. What this patch did is to match GCC's behaviour
although this rule is not documented in psABI.

Similar to D142327 for RISCV.

Reviewed By: xry111, xen0n

Differential Revision: https://reviews.llvm.org/D156116




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