新需求提供了什么功能？ | What functionality does the new feature provide?

feat: anno dedeup

相关提交说明：
Signed-off-by: duo-duo duanwenxue@huawei.com

该需求带来的价值、应用场景？ | Value and application scenarios of the feature?

该变更来自分支 fix_dedup_anno_factory_llvm_main 的最新提交，适用于以下修改文件涉及的功能链路：

• llvm/include/llvm/Transforms/Scalar/CJAnnotationInitDedup.h
• llvm/lib/LTO/LTOBackend.cpp
• llvm/lib/Passes/PassBuilder.cpp
• llvm/lib/Passes/PassRegistry.def
• llvm/lib/Transforms/Scalar/CJAnnotationInitDedup.cpp
• llvm/lib/Transforms/Scalar/CJFillMetadata.cpp
• llvm/lib/Transforms/Scalar/CMakeLists.txt
• llvm/test/Transforms/CJFillMetadata/reflection.ll
• llvm/test/Transforms/CJFillMetadata/reflection_debuginfo.ll
• llvm/test/Transforms/CJRuntimeLowering/annotation-factory-dedup.ll
• llvm/test/Transforms/CJRuntimeLowering/annotation-init-dedup.ll

新需求涉及的分支版本 | Branch versions involved in the new feature

• dev
• main
• release/1.0
• release/OpenHarmony-release-6.0

关联分支与提交

• Branch: fix_dedup_anno_factory_llvm_main
• Commit: eee944741ee5f4a31eeb71e0e3fa89090be09c19
• MR: https://gitcode.com/duo-duo/llvm-project/merge_requests/new?source_branch=fix_dedup_anno_factory_llvm_main