Replace calls of the form V1->setName(V2->getName()) with V1->takeName(V2),
which is significantly more efficient.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49614 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopUnroll.cpp b/lib/Transforms/Scalar/LoopUnroll.cpp
index 1962c14..a3c58f7 100644
--- a/lib/Transforms/Scalar/LoopUnroll.cpp
+++ b/lib/Transforms/Scalar/LoopUnroll.cpp
@@ -179,8 +179,8 @@
BB->eraseFromParent();
// Inherit predecessor's name if it exists...
- if (!OldName.empty() && !OnlyPred->hasName())
- OnlyPred->setName(OldName);
+ if (BB->hasName() && !OnlyPred->hasName())
+ OnlyPred->takeName(BB);
return OnlyPred;
}