[all-commits] [llvm/llvm-project] fc1f3f: [CIR] Fix 'cookie' size of array delete on aligned...

[Erich Keane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fc1f3ff5a3b3da827cfca31d07a79c036e03b545
      https://github.com/llvm/llvm-project/commit/fc1f3ff5a3b3da827cfca31d07a79c036e03b545
  Author: Erich Keane <ekeane at nvidia.com>
  Date:   2026-09-23 (Wed, 23 Sep 2026)

  Changed paths:
    M clang/include/clang/CIR/Dialect/IR/CIROps.td
    M clang/lib/CIR/CodeGen/CIRGenExprCXX.cpp
    M clang/lib/CIR/Dialect/Transforms/CXXABILowering.cpp
    M clang/lib/CIR/Dialect/Transforms/TargetLowering/CIRCXXABI.cpp
    M clang/lib/CIR/Dialect/Transforms/TargetLowering/CIRCXXABI.h
    M clang/lib/CIR/Dialect/Transforms/TargetLowering/LowerItaniumCXXABI.cpp
    M clang/lib/CIR/Dialect/Transforms/TargetLowering/LowerMicrosoftCXXABI.cpp
    M clang/test/CIR/CodeGen/delete-array-aligned.cpp
    A clang/test/CIR/CodeGen/delete-array-overaligned-cookie.cpp
    M clang/test/CIR/CodeGen/delete-array-throwing-dtor.cpp
    M clang/test/CIR/IR/invalid-delete-array.cir

  Log Message:
  -----------
  [CIR] Fix 'cookie' size of array delete on aligned type (#225806)

This came up in some test suite, the cookie size calcuation of a array
delete with a 'cookie' was incorrect if the type had an alignment. This
patch strings the correct alignment through the 'element_align' tag on
the array-delete operation, and uses that for the final calculation,
matching classic codegen.



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