llvmorg-github-actions[bot] wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: John McCall (rjmccall) <details> <summary>Changes</summary> ...except on platforms where the Swift projects has declared ABI stability. --- Full diff: https://github.com/llvm/llvm-project/pull/215915.diff 1 Files Affected: - (modified) clang/include/clang/Basic/AttrDocs.td (+16) ``````````diff diff --git a/clang/include/clang/Basic/AttrDocs.td b/clang/include/clang/Basic/AttrDocs.td index 847e44688ed95..2dfc3b418f5e0 100644 --- a/clang/include/clang/Basic/AttrDocs.td +++ b/clang/include/clang/Basic/AttrDocs.td @@ -6462,6 +6462,14 @@ with ``__has_attribute(swiftcall)``. Query if the target supports the calling convention with ``__has_extension(swiftcc)``. This implies support for the ``swift_context``, ``swift_error_result``, and ``swift_indirect_result`` attributes. + +Since this attribute follows the Swift calling convention, it is +considered ABI-unstable except on targets where the Swift project +has declared ABI stability. Users are responsible for ensuring that +calls and definitions of functions with this attribute are compiled +with compatible compilers. Note that different operating systems +on the same architecture may use different ABIs and therefore may +have different standards for ABI stability. }]; } @@ -6512,6 +6520,14 @@ the following: Query for this attribute with ``__has_attribute(swiftasynccall)``. Query if the target supports the calling convention with ``__has_extension(swiftasynccc)``. + +Since this attribute follows the Swift async calling convention, it is +considered ABI-unstable except on targets where the Swift project +has declared ABI stability. Users are responsible for ensuring that +calls and definitions of functions with this attribute are compiled +with compatible compilers. Note that different operating systems +on the same architecture may use different ABIs and therefore may +have different standards for ABI stability. }]; } `````````` </details> https://github.com/llvm/llvm-project/pull/215915 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
