[PowerPC][AIX] Support #pragma comment copyright for AIX#1

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tonykuttai wants to merge 7 commits intomandlebug:XCOFFAssociatedMetadatafrom

tonykuttai:tvarghese/pragma-comment-copyright

Commits on Dec 4, 2025

[PowerPC][AIX] Support #pragma comment copyright for AIX
Tony Varghese
committed
Addressed the review comments. removed redundant tests
Tony Varghese
committed
Pragmas from imported C++20 modules are ignored in the importing translation unit, add backend tests
Tony Varghese
committed
Chnaged to platform agnostic names for llvm metadata and variables used
Tony Varghese
committed
Changed the name to comment_string.loadtime
Tony Varghese
committed

Commits on Dec 5, 2025

Update clang/test/CodeGen/PowerPC/pragma-comment-copyright-aix-modules.cpp to be an llvm based test
Tony Varghese
committed
Changed the name of the pass to LowerCommentStringPass
Tony Varghese
committed