[all-commits] [llvm/llvm-project] e8a486: [clang] Return larger CXX records in memory (#120670)

[Pranav Kant via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e8a486ea97895a18e1bba75431d37d9758886084
      https://github.com/llvm/llvm-project/commit/e8a486ea97895a18e1bba75431d37d9758886084
  Author: Pranav Kant <prka at google.com>
  Date:   2025-02-04 (Tue, 04 Feb 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/LangOptions.h
    M clang/lib/CodeGen/Targets/X86.cpp
    A clang/test/CodeGen/X86/avx-cxx-record.cpp

  Log Message:
  -----------
  [clang] Return larger CXX records in memory (#120670)

We incorrectly return CXX records in AVX registers when they should be
returned in memory. This is violation of x86-64 psABI.

Detailed discussion is here:
https://groups.google.com/g/x86-64-abi/c/BjOOyihHuqg/m/KurXdUcWAgAJ



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