[all-commits] [llvm/llvm-project] 5306fc: [CIR] Add initial Microsoft C++ ABI support in Cla...

[R-Goc via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5306fce6c317c13a5889e6909a7e3c959747fb02
      https://github.com/llvm/llvm-project/commit/5306fce6c317c13a5889e6909a7e3c959747fb02
  Author: R-Goc <ryszardgoc at gmail.com>
  Date:   2026-09-21 (Mon, 21 Sep 2026)

  Changed paths:
    M clang/lib/CIR/CodeGen/CIRGenCXXABI.h
    A clang/lib/CIR/CodeGen/CIRGenMicrosoftCXXABI.cpp
    M clang/lib/CIR/CodeGen/CIRGenModule.cpp
    M clang/lib/CIR/CodeGen/CMakeLists.txt
    M clang/lib/CIR/Dialect/Transforms/TargetLowering/CIRCXXABI.h
    M clang/lib/CIR/Dialect/Transforms/TargetLowering/CMakeLists.txt
    A clang/lib/CIR/Dialect/Transforms/TargetLowering/LowerMicrosoftCXXABI.cpp
    M clang/lib/CIR/Dialect/Transforms/TargetLowering/LowerModule.cpp
    A clang/test/CIR/CodeGen/cxx-msvc-abi.cpp

  Log Message:
  -----------
  [CIR] Add initial Microsoft C++ ABI support in ClangIR (#221038)

Stub out Microsoft C++ ABI support for ClangIR CodeGen and dialect
lowering:
- Stub out CIRGenMicrosoftCXXABI.
- Stub out LowerMicrosoftCXXABI to integrate into the TargetLowering
pass in CIR dialect transforms.
- Add error.NYI extensively.
- Add a minimal test file, mainly so that it is in tree.

Assisted-by: Gemini:gemini-3.8-flash-high



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