Revert r49614. As Dan pointed out, some of these aren't correct.
llvm-svn: 49657
diff --git a/llvm/lib/Transforms/Scalar/TailDuplication.cpp b/llvm/lib/Transforms/Scalar/TailDuplication.cpp
index 5d802a6..929d113 100644
--- a/llvm/lib/Transforms/Scalar/TailDuplication.cpp
+++ b/llvm/lib/Transforms/Scalar/TailDuplication.cpp
@@ -317,7 +317,7 @@
//
for (; BI != DestBlock->end(); ++BI) {
Instruction *New = BI->clone();
- New->takeName(BI);
+ New->setName(BI->getName());
SourceBlock->getInstList().push_back(New);
ValueMapping[BI] = New;
}