[all-commits] [llvm/llvm-project] 3d144c: [mlir] Fix ArmSME ABI stub exports (#224629)

[Fabrice de Gans via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3d144ccf9a49b8d0f73bc32b03dd1adb2cf33830
      https://github.com/llvm/llvm-project/commit/3d144ccf9a49b8d0f73bc32b03dd1adb2cf33830
  Author: Fabrice de Gans <Steelskin at users.noreply.github.com>
  Date:   2026-09-21 (Mon, 21 Sep 2026)

  Changed paths:
    M mlir/lib/ExecutionEngine/ArmSMEStubs.cpp
    M mlir/lib/ExecutionEngine/CMakeLists.txt

  Log Message:
  -----------
  [mlir] Fix ArmSME ABI stub exports (#224629)

Previously, the `MLIR_ARMSMEABISTUBS_EXPORTED` macro would expand to
`__declspec(dllimport)` when building LLVM as a dylib on Windows. This
would cause a build failure since it is an incorrect annotation on a
function definition.

The intent here is to always export the symbol, so these changes use the
`LLVM_ALWAYS_EXPORT` macro, which properly expands to the right
attribute depending on the compiler / platform.

The effort to build LLVM as a dylib is tracked in #109483.



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