[PATCH] D134419: Patch to fix cloning block addresses correctly in CloneModule

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Current CloneModule failed to clone block addresses, which leads to crashes in optimizing cloned modules. 
https://github.com/llvm/llvm-project/issues/55991
As a result,  we should create empty basic blocks inside functions referred by block addresses, and fill them with instructions later.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D134419

Files:
  llvm/include/llvm/Transforms/Utils/Cloning.h
  llvm/lib/Transforms/Utils/CloneFunction.cpp
  llvm/lib/Transforms/Utils/CloneModule.cpp
  llvm/unittests/Transforms/Utils/CloningTest.cpp

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