[llvm] Revert "[AMDGPU][UnifyDivergentExitNodes][StructurizeCFG] Add support for callbr instruction with inline-asm" (PR #166186)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp llvm/lib/Transforms/Scalar/StructurizeCFG.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp b/llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
index 733c5d520..ddf9a24eb 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
@@ -225,8 +225,8 @@ bool AMDGPUUnifyDivergentExitNodesImpl::run(Function &F, DominatorTree *DT,
 
       ConstantInt *BoolTrue = ConstantInt::getTrue(F.getContext());
       if (DummyReturnBB == nullptr) {
-        DummyReturnBB = BasicBlock::Create(F.getContext(),
-                                           "DummyReturnBlock", &F);
+        DummyReturnBB =
+            BasicBlock::Create(F.getContext(), "DummyReturnBlock", &F);
         Type *RetTy = F.getReturnType();
         Value *RetVal = RetTy->isVoidTy() ? nullptr : PoisonValue::get(RetTy);
         ReturnInst::Create(F.getContext(), RetVal, DummyReturnBB);

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https://github.com/llvm/llvm-project/pull/166186