[all-commits] [llvm/llvm-project] e298f1: [CIR] Upstream support for record packing and padd...

[Andy Kaylor via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e298f16e895f1c3e5571ec1adb84f29646b84637
      https://github.com/llvm/llvm-project/commit/e298f16e895f1c3e5571ec1adb84f29646b84637
  Author: Andy Kaylor <akaylor at nvidia.com>
  Date:   2025-04-18 (Fri, 18 Apr 2025)

  Changed paths:
    A clang/include/clang/CIR/Dialect/IR/CIRDataLayout.h
    M clang/include/clang/CIR/Dialect/IR/CIRTypes.td
    M clang/include/clang/CIR/MissingFeatures.h
    M clang/lib/CIR/CodeGen/CIRGenRecordLayoutBuilder.cpp
    M clang/lib/CIR/Dialect/IR/CIRTypes.cpp
    M clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
    M clang/test/CIR/CodeGen/struct.c

  Log Message:
  -----------
  [CIR] Upstream support for record packing and padding (#136036)

This change adds support for packing and padding record types in ClangIR
and introduces some infrastructure needed for this computation.

Although union support has not been upstreamed yet, there is no good way
to report unions as NYI in the layout computation, so the code added
here includes layout computation for unions. Unions will be added soon.



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